zathura/zathura.c
Pavel Borzenkov f6120b5c19 Don't allow to set bookmarks with reserved names
Currently, 'page', 'offset' and 'scale' are reserved bookmark names.
We should not allow to set arbitary bookmarks with such names.

Also, this patch fixes memory leaks in the cmd_bookmark() function.

Signed-off-by: Pavel Borzenkov <pavel.borzenkov@gmail.com>
Signed-off-by: Sebastian Ramacher <s.ramacher@gmx.at>
2011-07-07 13:21:04 +02:00

4836 lines
126 KiB
C

/* See LICENSE file for license and copyright information */
#define _BSD_SOURCE
#define _XOPEN_SOURCE 500
#include <regex.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <libgen.h>
#include <math.h>
#include <poppler/glib/poppler.h>
#include <cairo.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
/* macros */
#define LENGTH(x) (sizeof(x)/sizeof((x)[0]))
#define CLEAN(m) (m & ~(GDK_MOD2_MASK) & ~(GDK_BUTTON1_MASK) & ~(GDK_BUTTON2_MASK) & ~(GDK_BUTTON3_MASK) & ~(GDK_BUTTON4_MASK) & ~(GDK_BUTTON5_MASK) & ~(GDK_LEAVE_NOTIFY_MASK))
#if defined(__GNUC__) || defined(__INTEL_COMPILER) || defined(__ICL) || defined(__ICC) || defined(__ECC) || defined(__clang__)
/* only gcc, clang and Intel's cc seem support this */
#define NORETURN __attribute__((noreturn))
#else
#define NORETURN
#endif
// just remove the #if-#define-#endif block if support for poppler versions
// before 0.15 is dropped
#if !POPPLER_CHECK_VERSION(0,15,0)
#define poppler_page_get_selected_text poppler_page_get_text
#endif
/* enums */
enum { NEXT, PREVIOUS, LEFT, RIGHT, UP, DOWN, BOTTOM, TOP, HIDE, HIGHLIGHT,
DELETE_LAST_WORD, DELETE_LAST_CHAR, DEFAULT, ERROR, WARNING, NEXT_GROUP,
PREVIOUS_GROUP, ZOOM_IN, ZOOM_OUT, ZOOM_ORIGINAL, ZOOM_SPECIFIC, FORWARD,
BACKWARD, ADJUST_BESTFIT, ADJUST_WIDTH, ADJUST_NONE, CONTINUOUS, DELETE_LAST,
ADD_MARKER, EVAL_MARKER, EXPAND, COLLAPSE, SELECT, GOTO_DEFAULT, GOTO_LABELS,
GOTO_OFFSET, HALF_UP, HALF_DOWN, FULL_UP, FULL_DOWN, NEXT_CHAR, PREVIOUS_CHAR,
DELETE_TO_LINE_START, APPEND_FILEPATH, NO_SEARCH };
/* define modes */
#define ALL (1 << 0)
#define FULLSCREEN (1 << 1)
#define INDEX (1 << 2)
#define NORMAL (1 << 3)
/* typedefs */
struct CElement
{
char *value;
char *description;
struct CElement *next;
};
typedef struct CElement CompletionElement;
struct CGroup
{
char *value;
CompletionElement *elements;
struct CGroup *next;
};
typedef struct CGroup CompletionGroup;
typedef struct
{
CompletionGroup* groups;
} Completion;
typedef struct
{
char* command;
char* description;
int command_id;
gboolean is_group;
GtkWidget* row;
} CompletionRow;
typedef struct
{
int n;
void *data;
} Argument;
typedef struct
{
char* name;
int argument;
} ArgumentName;
typedef struct
{
int mask;
int key;
void (*function)(Argument*);
int mode;
Argument argument;
} Shortcut;
typedef struct
{
char* name;
int mode;
char* display;
} ModeName;
typedef struct
{
char* name;
void (*function)(Argument*);
} ShortcutName;
typedef struct
{
int mask;
int key;
void (*function)(Argument*);
Argument argument;
} InputbarShortcut;
typedef struct
{
int direction;
void (*function)(Argument*);
Argument argument;
} MouseScrollEvent;
typedef struct
{
char* command;
char* abbr;
gboolean (*function)(int, char**);
Completion* (*completion)(char*);
char* description;
} Command;
typedef struct
{
char* regex;
void (*function)(char*, Argument*);
Argument argument;
} BufferCommand;
typedef struct
{
char identifier;
gboolean (*function)(char*, Argument*);
int always;
Argument argument;
} SpecialCommand;
struct SCList
{
Shortcut element;
struct SCList *next;
};
typedef struct SCList ShortcutList;
typedef struct
{
char* identifier;
int key;
} GDKKey;
typedef struct
{
PopplerPage *page;
int id;
char *label;
} Page;
typedef struct
{
char* name;
void* variable;
char type;
gboolean render;
gboolean reinit;
char* description;
} Setting;
typedef struct
{
int id;
int page;
} Marker;
typedef struct
{
char* id;
int page;
} Bookmark;
/* zathura */
struct
{
struct
{
GtkWidget *window;
GtkBox *box;
GtkBox *continuous;
GtkScrolledWindow *view;
GtkViewport *viewport;
GtkWidget *statusbar;
GtkBox *statusbar_entries;
GtkEntry *inputbar;
GtkWidget *index;
GtkWidget *information;
GtkWidget *drawing_area;
GtkWidget *document;
GdkNativeWindow embed;
} UI;
struct
{
GdkColor default_fg;
GdkColor default_bg;
GdkColor inputbar_fg;
GdkColor inputbar_bg;
GdkColor statusbar_fg;
GdkColor statusbar_bg;
GdkColor completion_fg;
GdkColor completion_bg;
GdkColor completion_g_bg;
GdkColor completion_g_fg;
GdkColor completion_hl_fg;
GdkColor completion_hl_bg;
GdkColor notification_e_fg;
GdkColor notification_e_bg;
GdkColor notification_w_fg;
GdkColor notification_w_bg;
GdkColor recolor_darkcolor;
GdkColor recolor_lightcolor;
GdkColor search_highlight;
GdkColor select_text;
PangoFontDescription *font;
} Style;
struct
{
GtkLabel *status_text;
GtkLabel *status_buffer;
GtkLabel *status_state;
GString *buffer;
GList *history;
int mode;
int viewing_mode;
gboolean recolor;
gboolean enable_labelmode;
int goto_mode;
int adjust_mode;
gboolean show_index;
gboolean show_statusbar;
gboolean show_inputbar;
} Global;
struct
{
ShortcutList *sclist;
} Bindings;
struct
{
gdouble x;
gdouble y;
} SelectPoint;
struct
{
char* filename;
char* pages;
int scroll_percentage;
} State;
struct
{
Marker* markers;
int number_of_markers;
int last;
} Marker;
struct
{
GFileMonitor* monitor;
GFile* file;
} FileMonitor;
struct
{
GKeyFile *data;
char *file;
Bookmark *bookmarks;
int number_of_bookmarks;
} Bookmarks;
struct
{
PopplerDocument *document;
char *file;
char *password;
Page **pages;
int page_number;
int page_offset;
int number_of_pages;
int scale;
int rotate;
cairo_surface_t *surface;
} PDF;
struct
{
GStaticMutex pdflib_lock;
GStaticMutex pdf_obj_lock;
GStaticMutex search_lock;
GStaticMutex select_lock;
} Lock;
struct
{
GList* results;
int page;
gboolean draw;
gchar* query;
} Search;
struct
{
GThread* search_thread;
gboolean search_thread_running;
GThread* inotify_thread;
} Thread;
struct
{
guint inputbar_activate;
guint inputbar_key_press_event;
} Handler;
struct
{
gchar* config_dir;
gchar* data_dir;
} Config;
struct
{
gchar* file;
} StdinSupport;
} Zathura;
/* function declarations */
void init_look(void);
void init_directories(void);
void init_bookmarks(void);
void init_keylist(void);
void init_settings(void);
void init_zathura(void);
void add_marker(int);
void build_index(GtkTreeModel*, GtkTreeIter*, PopplerIndexIter*);
void change_mode(int);
void calculate_offset(GtkWidget*, double*, double*);
void close_file(gboolean);
void enter_password(void);
void highlight_result(int, PopplerRectangle*);
void draw(int);
void eval_marker(int);
void notify(int, const char*);
gboolean open_file(char*, char*);
gboolean open_stdin(gchar*);
void open_uri(char*);
void out_of_memory(void) NORETURN;
void update_status(void);
void read_bookmarks_file(void);
void read_configuration_file(const char*);
void read_configuration(void);
void recalc_rectangle(int, PopplerRectangle*);
void set_completion_row_color(GtkBox*, int, int);
void set_page(int);
void switch_view(GtkWidget*);
GtkEventBox* create_completion_row(GtkBox*, char*, char*, gboolean);
gchar* fix_path(const gchar*);
gchar* path_from_env(const gchar*);
gchar* get_home_dir(void);
gboolean is_reserved_bm_name(const char *);
Completion* completion_init(void);
CompletionGroup* completion_group_create(char*);
void completion_add_group(Completion*, CompletionGroup*);
void completion_free(Completion*);
void completion_group_add_element(CompletionGroup*, char*, char*);
/* thread declaration */
void* search(void*);
/* shortcut declarations */
void sc_abort(Argument*);
void sc_adjust_window(Argument*);
void sc_change_buffer(Argument*);
void sc_change_mode(Argument*);
void sc_focus_inputbar(Argument*);
void sc_follow(Argument*);
void sc_navigate(Argument*);
void sc_recolor(Argument*);
void sc_reload(Argument*);
void sc_rotate(Argument*);
void sc_scroll(Argument*);
void sc_search(Argument*);
void sc_switch_goto_mode(Argument*);
void sc_navigate_index(Argument*);
void sc_toggle_index(Argument*);
void sc_toggle_inputbar(Argument*);
void sc_toggle_fullscreen(Argument*);
void sc_toggle_statusbar(Argument*);
void sc_quit(Argument*);
void sc_zoom(Argument*);
/* inputbar shortcut declarations */
void isc_abort(Argument*);
void isc_command_history(Argument*);
void isc_completion(Argument*);
void isc_string_manipulation(Argument*);
/* command declarations */
gboolean cmd_bookmark(int, char**);
gboolean cmd_open_bookmark(int, char**);
gboolean cmd_close(int, char**);
gboolean cmd_correct_offset(int, char**);
gboolean cmd_delete_bookmark(int, char**);
gboolean cmd_export(int, char**);
gboolean cmd_info(int, char**);
gboolean cmd_map(int, char**);
gboolean cmd_open(int, char**);
gboolean cmd_print(int, char**);
gboolean cmd_rotate(int, char**);
gboolean cmd_set(int, char**);
gboolean cmd_quit(int, char**);
gboolean cmd_save(int, char**);
gboolean cmd_savef(int, char**);
/* completion commands */
Completion* cc_bookmark(char*);
Completion* cc_export(char*);
Completion* cc_open(char*);
Completion* cc_print(char*);
Completion* cc_set(char*);
/* buffer command declarations */
void bcmd_evalmarker(char*, Argument*);
void bcmd_goto(char*, Argument*);
void bcmd_scroll(char*, Argument*);
void bcmd_setmarker(char*, Argument*);
void bcmd_zoom(char*, Argument*);
/* special command delcarations */
gboolean scmd_search(gchar*, Argument*);
/* callback declarations */
gboolean cb_destroy(GtkWidget*, gpointer);
gboolean cb_draw(GtkWidget*, GdkEventExpose*, gpointer);
gboolean cb_index_row_activated(GtkTreeView*, GtkTreePath*, GtkTreeViewColumn*, gpointer);
gboolean cb_inputbar_kb_pressed(GtkWidget*, GdkEventKey*, gpointer);
gboolean cb_inputbar_activate(GtkEntry*, gpointer);
gboolean cb_inputbar_form_activate(GtkEntry*, gpointer);
gboolean cb_inputbar_password_activate(GtkEntry*, gpointer);
gboolean cb_view_kb_pressed(GtkWidget*, GdkEventKey*, gpointer);
gboolean cb_view_resized(GtkWidget*, GtkAllocation*, gpointer);
gboolean cb_view_button_pressed(GtkWidget*, GdkEventButton*, gpointer);
gboolean cb_view_button_release(GtkWidget*, GdkEventButton*, gpointer);
gboolean cb_view_motion_notify(GtkWidget*, GdkEventMotion*, gpointer);
gboolean cb_view_scrolled(GtkWidget*, GdkEventScroll*, gpointer);
gboolean cb_watch_file(GFileMonitor*, GFile*, GFile*, GFileMonitorEvent, gpointer);
/* configuration */
#include "config.h"
/* function implementation */
void
init_look(void)
{
/* parse */
gdk_color_parse(default_fgcolor, &(Zathura.Style.default_fg));
gdk_color_parse(default_bgcolor, &(Zathura.Style.default_bg));
gdk_color_parse(inputbar_fgcolor, &(Zathura.Style.inputbar_fg));
gdk_color_parse(inputbar_bgcolor, &(Zathura.Style.inputbar_bg));
gdk_color_parse(statusbar_fgcolor, &(Zathura.Style.statusbar_fg));
gdk_color_parse(statusbar_bgcolor, &(Zathura.Style.statusbar_bg));
gdk_color_parse(completion_fgcolor, &(Zathura.Style.completion_fg));
gdk_color_parse(completion_bgcolor, &(Zathura.Style.completion_bg));
gdk_color_parse(completion_g_fgcolor, &(Zathura.Style.completion_g_fg));
gdk_color_parse(completion_g_fgcolor, &(Zathura.Style.completion_g_fg));
gdk_color_parse(completion_hl_fgcolor, &(Zathura.Style.completion_hl_fg));
gdk_color_parse(completion_hl_bgcolor, &(Zathura.Style.completion_hl_bg));
gdk_color_parse(notification_e_fgcolor, &(Zathura.Style.notification_e_fg));
gdk_color_parse(notification_e_bgcolor, &(Zathura.Style.notification_e_bg));
gdk_color_parse(notification_w_fgcolor, &(Zathura.Style.notification_w_fg));
gdk_color_parse(notification_w_bgcolor, &(Zathura.Style.notification_w_bg));
gdk_color_parse(recolor_darkcolor, &(Zathura.Style.recolor_darkcolor));
gdk_color_parse(recolor_lightcolor, &(Zathura.Style.recolor_lightcolor));
gdk_color_parse(search_highlight, &(Zathura.Style.search_highlight));
gdk_color_parse(select_text, &(Zathura.Style.select_text));
pango_font_description_free(Zathura.Style.font);
Zathura.Style.font = pango_font_description_from_string(font);
/* window and viewport */
gtk_widget_modify_bg(GTK_WIDGET(Zathura.UI.window), GTK_STATE_NORMAL, &(Zathura.Style.default_bg));
gtk_widget_modify_bg(GTK_WIDGET(Zathura.UI.viewport), GTK_STATE_NORMAL, &(Zathura.Style.default_bg));
/* drawing area */
gtk_widget_modify_bg(GTK_WIDGET(Zathura.UI.drawing_area), GTK_STATE_NORMAL, &(Zathura.Style.default_bg));
/* statusbar */
gtk_widget_modify_bg(GTK_WIDGET(Zathura.UI.statusbar), GTK_STATE_NORMAL, &(Zathura.Style.statusbar_bg));
gtk_widget_modify_fg(GTK_WIDGET(Zathura.Global.status_text), GTK_STATE_NORMAL, &(Zathura.Style.statusbar_fg));
gtk_widget_modify_fg(GTK_WIDGET(Zathura.Global.status_state), GTK_STATE_NORMAL, &(Zathura.Style.statusbar_fg));
gtk_widget_modify_fg(GTK_WIDGET(Zathura.Global.status_buffer), GTK_STATE_NORMAL, &(Zathura.Style.statusbar_fg));
gtk_widget_modify_font(GTK_WIDGET(Zathura.Global.status_text), Zathura.Style.font);
gtk_widget_modify_font(GTK_WIDGET(Zathura.Global.status_state), Zathura.Style.font);
gtk_widget_modify_font(GTK_WIDGET(Zathura.Global.status_buffer), Zathura.Style.font);
/* inputbar */
gtk_widget_modify_base(GTK_WIDGET(Zathura.UI.inputbar), GTK_STATE_NORMAL, &(Zathura.Style.inputbar_bg));
gtk_widget_modify_text(GTK_WIDGET(Zathura.UI.inputbar), GTK_STATE_NORMAL, &(Zathura.Style.inputbar_fg));
gtk_widget_modify_font(GTK_WIDGET(Zathura.UI.inputbar), Zathura.Style.font);
g_object_set(G_OBJECT(Zathura.UI.inputbar), "has-frame", FALSE, NULL);
/* scrollbars */
if(show_scrollbars)
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(Zathura.UI.view), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
else
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(Zathura.UI.view), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
/* inputbar */
if(Zathura.Global.show_inputbar)
gtk_widget_show(GTK_WIDGET(Zathura.UI.inputbar));
else
gtk_widget_hide(GTK_WIDGET(Zathura.UI.inputbar));
/* statusbar */
if(Zathura.Global.show_statusbar)
gtk_widget_show(GTK_WIDGET(Zathura.UI.statusbar));
else
gtk_widget_hide(GTK_WIDGET(Zathura.UI.statusbar));
}
gchar*
fix_path(const gchar* path)
{
if (!path)
return NULL;
if (path[0] == '~')
{
gchar* home_path = get_home_dir();
gchar* res = g_build_filename(home_path, path + 1, NULL);
g_free(home_path);
return res;
}
else
return g_strdup(path);
}
gchar* path_from_env(const gchar* var)
{
gchar* env = fix_path(g_getenv(var));
if (!env)
return NULL;
gchar* res = g_build_filename(env, "zathura", NULL);
g_free(env);
return res;
}
gchar* get_home_dir(void)
{
const gchar* homedir = g_getenv("HOME");
return g_strdup(homedir ? homedir : g_get_home_dir());
}
void
init_directories(void)
{
/* setup directories */
if (!Zathura.Config.config_dir)
{
#ifndef ZATHURA_NO_XDG
gchar* env = path_from_env("XDG_CONFIG_HOME");
if (env)
Zathura.Config.config_dir = env;
else
#endif
Zathura.Config.config_dir = fix_path(CONFIG_DIR);
}
if (!Zathura.Config.data_dir)
{
#ifndef ZATHURA_NO_XDG
gchar* env = path_from_env("XDG_DATA_HOME");
if (env)
Zathura.Config.data_dir = env;
else
#endif
Zathura.Config.data_dir = fix_path(DATA_DIR);
}
/* create zathura (config/data) directory */
g_mkdir_with_parents(Zathura.Config.config_dir, 0771);
g_mkdir_with_parents(Zathura.Config.data_dir, 0771);
}
void
init_bookmarks(void)
{
/* init variables */
Zathura.Bookmarks.number_of_bookmarks = 0;
Zathura.Bookmarks.bookmarks = NULL;
Zathura.Bookmarks.file = g_build_filename(Zathura.Config.data_dir, BOOKMARK_FILE, NULL);
read_bookmarks_file();
}
gboolean
is_reserved_bm_name(const char *bm_name)
{
int i;
for(i = 0; i < BM_MAX; i++)
if(strcmp(bm_reserved_names[i], bm_name) == 0)
return TRUE;
return FALSE;
}
void
init_keylist(void)
{
ShortcutList* e = NULL;
ShortcutList* p = NULL;
int i;
for(i = 0; i < LENGTH(shortcuts); i++)
{
e = malloc(sizeof(ShortcutList));
if(!e)
out_of_memory();
e->element = shortcuts[i];
e->next = NULL;
if(!Zathura.Bindings.sclist)
Zathura.Bindings.sclist = e;
if(p)
p->next = e;
p = e;
}
}
void
init_settings(void)
{
Zathura.State.filename = g_strdup((char*) default_text);
Zathura.Global.adjust_mode = adjust_open;
gtk_window_set_default_size(GTK_WINDOW(Zathura.UI.window), default_width, default_height);
}
void
init_zathura(void)
{
/* init mutexes */
g_static_mutex_init(&(Zathura.Lock.pdflib_lock));
g_static_mutex_init(&(Zathura.Lock.search_lock));
g_static_mutex_init(&(Zathura.Lock.pdf_obj_lock));
g_static_mutex_init(&(Zathura.Lock.select_lock));
/* other */
Zathura.Global.mode = NORMAL;
Zathura.Global.viewing_mode = NORMAL;
Zathura.Global.recolor = 0;
Zathura.Global.goto_mode = GOTO_MODE;
Zathura.Global.show_index = FALSE;
Zathura.Global.show_inputbar = TRUE;
Zathura.Global.show_statusbar = TRUE;
Zathura.State.pages = g_strdup("");
Zathura.State.scroll_percentage = 0;
Zathura.Marker.markers = NULL;
Zathura.Marker.number_of_markers = 0;
Zathura.Marker.last = -1;
Zathura.Search.results = NULL;
Zathura.Search.page = 0;
Zathura.Search.draw = FALSE;
Zathura.Search.query = NULL;
Zathura.FileMonitor.monitor = NULL;
Zathura.FileMonitor.file = NULL;
Zathura.StdinSupport.file = NULL;
/* window */
if(Zathura.UI.embed)
Zathura.UI.window = gtk_plug_new(Zathura.UI.embed);
else
Zathura.UI.window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
/* UI */
Zathura.UI.box = GTK_BOX(gtk_vbox_new(FALSE, 0));
Zathura.UI.continuous = GTK_BOX(gtk_vbox_new(FALSE, 0));
Zathura.UI.view = GTK_SCROLLED_WINDOW(gtk_scrolled_window_new(NULL, NULL));
Zathura.UI.viewport = GTK_VIEWPORT(gtk_viewport_new(NULL, NULL));
Zathura.UI.drawing_area = gtk_drawing_area_new();
Zathura.UI.statusbar = gtk_event_box_new();
Zathura.UI.statusbar_entries = GTK_BOX(gtk_hbox_new(FALSE, 0));
Zathura.UI.inputbar = GTK_ENTRY(gtk_entry_new());
Zathura.UI.document = gtk_event_box_new();
/* window */
gtk_window_set_title(GTK_WINDOW(Zathura.UI.window), "zathura");
GdkGeometry hints = { 1, 1 };
gtk_window_set_geometry_hints(GTK_WINDOW(Zathura.UI.window), NULL, &hints, GDK_HINT_MIN_SIZE);
g_signal_connect(G_OBJECT(Zathura.UI.window), "destroy", G_CALLBACK(cb_destroy), NULL);
/* box */
gtk_box_set_spacing(Zathura.UI.box, 0);
gtk_container_add(GTK_CONTAINER(Zathura.UI.window), GTK_WIDGET(Zathura.UI.box));
/* continuous */
gtk_box_set_spacing(Zathura.UI.continuous, 5);
/* events */
gtk_container_add(GTK_CONTAINER(Zathura.UI.document), GTK_WIDGET(Zathura.UI.drawing_area));
gtk_widget_add_events(GTK_WIDGET(Zathura.UI.document), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
g_signal_connect(G_OBJECT(Zathura.UI.document), "button-press-event", G_CALLBACK(cb_view_button_pressed), NULL);
g_signal_connect(G_OBJECT(Zathura.UI.document), "button-release-event", G_CALLBACK(cb_view_button_release), NULL);
g_signal_connect(G_OBJECT(Zathura.UI.document), "motion-notify-event", G_CALLBACK(cb_view_motion_notify), NULL);
gtk_widget_show(Zathura.UI.document);
/* view */
g_signal_connect(G_OBJECT(Zathura.UI.view), "key-press-event", G_CALLBACK(cb_view_kb_pressed), NULL);
g_signal_connect(G_OBJECT(Zathura.UI.view), "size-allocate", G_CALLBACK(cb_view_resized), NULL);
g_signal_connect(G_OBJECT(Zathura.UI.view), "scroll-event", G_CALLBACK(cb_view_scrolled), NULL);
gtk_container_add(GTK_CONTAINER(Zathura.UI.view), GTK_WIDGET(Zathura.UI.viewport));
gtk_viewport_set_shadow_type(Zathura.UI.viewport, GTK_SHADOW_NONE);
/* drawing area */
gtk_widget_show(Zathura.UI.drawing_area);
g_signal_connect(G_OBJECT(Zathura.UI.drawing_area), "expose-event", G_CALLBACK(cb_draw), NULL);
/* statusbar */
Zathura.Global.status_text = GTK_LABEL(gtk_label_new(NULL));
Zathura.Global.status_state = GTK_LABEL(gtk_label_new(NULL));
Zathura.Global.status_buffer = GTK_LABEL(gtk_label_new(NULL));
gtk_misc_set_alignment(GTK_MISC(Zathura.Global.status_text), 0.0, 0.0);
gtk_misc_set_alignment(GTK_MISC(Zathura.Global.status_state), 1.0, 0.0);
gtk_misc_set_alignment(GTK_MISC(Zathura.Global.status_buffer), 1.0, 0.0);
gtk_misc_set_padding(GTK_MISC(Zathura.Global.status_text), 2.0, 4.0);
gtk_misc_set_padding(GTK_MISC(Zathura.Global.status_state), 2.0, 4.0);
gtk_misc_set_padding(GTK_MISC(Zathura.Global.status_buffer), 2.0, 4.0);
gtk_label_set_use_markup(Zathura.Global.status_text, TRUE);
gtk_label_set_use_markup(Zathura.Global.status_state, TRUE);
gtk_label_set_use_markup(Zathura.Global.status_buffer, TRUE);
gtk_box_pack_start(Zathura.UI.statusbar_entries, GTK_WIDGET(Zathura.Global.status_text), TRUE, TRUE, 2);
gtk_box_pack_start(Zathura.UI.statusbar_entries, GTK_WIDGET(Zathura.Global.status_buffer), FALSE, FALSE, 2);
gtk_box_pack_start(Zathura.UI.statusbar_entries, GTK_WIDGET(Zathura.Global.status_state), FALSE, FALSE, 2);
gtk_container_add(GTK_CONTAINER(Zathura.UI.statusbar), GTK_WIDGET(Zathura.UI.statusbar_entries));
/* inputbar */
gtk_entry_set_inner_border(Zathura.UI.inputbar, NULL);
gtk_entry_set_has_frame( Zathura.UI.inputbar, FALSE);
gtk_editable_set_editable( GTK_EDITABLE(Zathura.UI.inputbar), TRUE);
Zathura.Handler.inputbar_key_press_event =
g_signal_connect(G_OBJECT(Zathura.UI.inputbar), "key-press-event", G_CALLBACK(cb_inputbar_kb_pressed), NULL);
Zathura.Handler.inputbar_activate =
g_signal_connect(G_OBJECT(Zathura.UI.inputbar), "activate", G_CALLBACK(cb_inputbar_activate), NULL);
/* packing */
gtk_box_pack_start(Zathura.UI.box, GTK_WIDGET(Zathura.UI.view), TRUE, TRUE, 0);
gtk_box_pack_start(Zathura.UI.box, GTK_WIDGET(Zathura.UI.statusbar), FALSE, FALSE, 0);
gtk_box_pack_end( Zathura.UI.box, GTK_WIDGET(Zathura.UI.inputbar), FALSE, FALSE, 0);
}
void
add_marker(int id)
{
if( (id < 0x30) || (id > 0x7A))
return;
/* current information */
int page_number = Zathura.PDF.page_number;
/* search if entry already exists */
int i;
for(i = 0; i < Zathura.Marker.number_of_markers; i++)
{
if(Zathura.Marker.markers[i].id == id)
{
Zathura.Marker.markers[i].page = page_number;
Zathura.Marker.last = page_number;
return;
}
}
/* add new marker */
int marker_index = Zathura.Marker.number_of_markers++;
Zathura.Marker.markers = realloc(Zathura.Marker.markers, sizeof(Marker) *
(Zathura.Marker.number_of_markers));
Zathura.Marker.markers[marker_index].id = id;
Zathura.Marker.markers[marker_index].page = page_number;
Zathura.Marker.last = page_number;
}
void
build_index(GtkTreeModel* model, GtkTreeIter* parent, PopplerIndexIter* index_iter)
{
do
{
GtkTreeIter tree_iter;
PopplerIndexIter *child;
PopplerAction *action;
gchar *markup;
action = poppler_index_iter_get_action(index_iter);
if(!action)
continue;
markup = g_markup_escape_text (action->any.title, -1);
gtk_tree_store_append(GTK_TREE_STORE(model), &tree_iter, parent);
gtk_tree_store_set(GTK_TREE_STORE(model), &tree_iter, 0, markup, 1, action, -1);
g_object_weak_ref(G_OBJECT(model), (GWeakNotify) poppler_action_free, action);
g_free(markup);
child = poppler_index_iter_get_child(index_iter);
if(child)
build_index(model, &tree_iter, child);
poppler_index_iter_free(child);
} while(poppler_index_iter_next(index_iter));
}
void
draw(int page_id)
{
if(!Zathura.PDF.document || page_id < 0 || page_id >= Zathura.PDF.number_of_pages)
return;
double page_width, page_height;
double width, height;
double scale = ((double) Zathura.PDF.scale / 100.0);
int rotate = Zathura.PDF.rotate;
Page *current_page = Zathura.PDF.pages[page_id];
if(Zathura.PDF.surface)
cairo_surface_destroy(Zathura.PDF.surface);
Zathura.PDF.surface = NULL;
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
poppler_page_get_size(current_page->page, &page_width, &page_height);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
if(rotate == 0 || rotate == 180)
{
width = page_width * scale;
height = page_height * scale;
}
else
{
width = page_height * scale;
height = page_width * scale;
}
cairo_t *cairo;
Zathura.PDF.surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, width, height);
cairo = cairo_create(Zathura.PDF.surface);
cairo_save(cairo);
cairo_set_source_rgb(cairo, 1, 1, 1);
cairo_rectangle(cairo, 0, 0, width, height);
cairo_fill(cairo);
cairo_restore(cairo);
cairo_save(cairo);
switch(rotate)
{
case 90:
cairo_translate(cairo, width, 0);
break;
case 180:
cairo_translate(cairo, width, height);
break;
case 270:
cairo_translate(cairo, 0, height);
break;
default:
cairo_translate(cairo, 0, 0);
}
if(scale != 1.0)
cairo_scale(cairo, scale, scale);
if(rotate != 0)
cairo_rotate(cairo, rotate * G_PI / 180.0);
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
poppler_page_render(current_page->page, cairo);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
cairo_restore(cairo);
cairo_destroy(cairo);
if(Zathura.Global.recolor)
{
unsigned char* image = cairo_image_surface_get_data(Zathura.PDF.surface);
int x, y;
int width = cairo_image_surface_get_width(Zathura.PDF.surface);
int height = cairo_image_surface_get_height(Zathura.PDF.surface);
int rowstride = cairo_image_surface_get_stride(Zathura.PDF.surface);
/* recolor code based on qimageblitz library flatten() function
(http://sourceforge.net/projects/qimageblitz/) */
int r1 = Zathura.Style.recolor_darkcolor.red / 257;
int g1 = Zathura.Style.recolor_darkcolor.green / 257;
int b1 = Zathura.Style.recolor_darkcolor.blue / 257;
int r2 = Zathura.Style.recolor_lightcolor.red / 257;
int g2 = Zathura.Style.recolor_lightcolor.green / 257;
int b2 = Zathura.Style.recolor_lightcolor.blue / 257;
int min = 0x00;
int max = 0xFF;
int mean;
float sr = ((float) r2 - r1) / (max - min);
float sg = ((float) g2 - g1) / (max - min);
float sb = ((float) b2 - b1) / (max - min);
for (y = 0; y < height; y++)
{
unsigned char* data = image + y * rowstride;
for (x = 0; x < width; x++)
{
mean = (data[0] + data[1] + data[2]) / 3;
data[2] = sr * (mean - min) + r1 + 0.5;
data[1] = sg * (mean - min) + g1 + 0.5;
data[0] = sb * (mean - min) + b1 + 0.5;
data += 4;
}
}
}
gtk_widget_set_size_request(Zathura.UI.drawing_area, width, height);
gtk_widget_queue_draw(Zathura.UI.drawing_area);
}
void
change_mode(int mode)
{
char* mode_text = 0;
for(unsigned int i = 0; i != LENGTH(mode_names); ++i)
if(mode_names[i].mode == mode)
{
mode_text = mode_names[i].display;
break;
}
if(!mode_text)
{
switch(mode)
{
case ADD_MARKER:
mode_text = "";
break;
case EVAL_MARKER:
mode_text = "";
break;
default:
mode_text = "";
mode = NORMAL;
break;
}
}
Zathura.Global.mode = mode;
notify(DEFAULT, mode_text);
}
void
calculate_offset(GtkWidget* widget, double* offset_x, double* offset_y)
{
double page_width, page_height, width, height;
double scale = ((double) Zathura.PDF.scale / 100.0);
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
poppler_page_get_size(Zathura.PDF.pages[Zathura.PDF.page_number]->page, &page_width, &page_height);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
if(Zathura.PDF.rotate == 0 || Zathura.PDF.rotate == 180)
{
width = page_width * scale;
height = page_height * scale;
}
else
{
width = page_height * scale;
height = page_width * scale;
}
int window_x, window_y;
gdk_drawable_get_size(widget->window, &window_x, &window_y);
if (window_x > width)
*offset_x = (window_x - width) / 2;
else
*offset_x = 0;
if (window_y > height)
*offset_y = (window_y - height) / 2;
else
*offset_y = 0;
}
void
close_file(gboolean keep_monitor)
{
if(!Zathura.PDF.document)
return;
/* clean up pages */
int i;
for(i = 0; i < Zathura.PDF.number_of_pages; i++)
{
Page* current_page = Zathura.PDF.pages[i];
g_object_unref(current_page->page);
if(current_page->label)
g_free(current_page->label);
free(current_page);
}
/* save bookmarks */
if(Zathura.Bookmarks.data)
{
read_bookmarks_file();
if(save_position)
{
/* set current page */
g_key_file_set_integer(Zathura.Bookmarks.data, Zathura.PDF.file,
bm_reserved_names[BM_PAGE_ENTRY], Zathura.PDF.page_number);
/* set page offset */
g_key_file_set_integer(Zathura.Bookmarks.data, Zathura.PDF.file,
bm_reserved_names[BM_PAGE_OFFSET], Zathura.PDF.page_offset);
}
if (save_zoom_level)
{
/* set zoom level */
g_key_file_set_integer(Zathura.Bookmarks.data, Zathura.PDF.file,
bm_reserved_names[BM_PAGE_SCALE], Zathura.PDF.scale);
}
/* save bookmarks */
int i;
for(i = 0; i < Zathura.Bookmarks.number_of_bookmarks; i++)
{
g_key_file_set_integer(Zathura.Bookmarks.data, Zathura.PDF.file,
Zathura.Bookmarks.bookmarks[i].id, Zathura.Bookmarks.bookmarks[i].page);
g_free(Zathura.Bookmarks.bookmarks[i].id);
}
free(Zathura.Bookmarks.bookmarks);
Zathura.Bookmarks.bookmarks = NULL;
Zathura.Bookmarks.number_of_bookmarks = 0;
/* convert file and save it */
gchar* bookmarks = g_key_file_to_data(Zathura.Bookmarks.data, NULL, NULL);
g_file_set_contents(Zathura.Bookmarks.file, bookmarks, -1, NULL);
g_free(bookmarks);
}
/* inotify */
if(!keep_monitor)
{
g_object_unref(Zathura.FileMonitor.monitor);
Zathura.FileMonitor.monitor = NULL;
if(Zathura.FileMonitor.file)
{
g_object_unref(Zathura.FileMonitor.file);
Zathura.FileMonitor.file = NULL;
}
}
/* reset values */
g_free(Zathura.PDF.pages);
g_object_unref(Zathura.PDF.document);
g_free(Zathura.State.pages);
gtk_window_set_title(GTK_WINDOW(Zathura.UI.window), "zathura");
Zathura.State.pages = g_strdup("");
g_free(Zathura.State.filename);
Zathura.State.filename = g_strdup((char*) default_text);
g_static_mutex_lock(&(Zathura.Lock.pdf_obj_lock));
Zathura.PDF.document = NULL;
if(!keep_monitor)
{
g_free(Zathura.PDF.file);
g_free(Zathura.PDF.password);
Zathura.PDF.file = NULL;
Zathura.PDF.password = NULL;
Zathura.PDF.page_number = 0;
Zathura.PDF.scale = 0;
Zathura.PDF.rotate = 0;
}
Zathura.PDF.number_of_pages = 0;
Zathura.PDF.page_offset = 0;
g_static_mutex_unlock(&(Zathura.Lock.pdf_obj_lock));
/* destroy index */
if(Zathura.UI.index)
{
gtk_widget_destroy(Zathura.UI.index);
Zathura.UI.index = NULL;
}
/* destroy information */
if(Zathura.UI.information)
{
gtk_widget_destroy(Zathura.UI.information);
Zathura.UI.information = NULL;
}
/* free markers */
if(Zathura.Marker.markers)
free(Zathura.Marker.markers);
Zathura.Marker.number_of_markers = 0;
Zathura.Marker.last = -1;
update_status();
}
void
enter_password(void)
{
/* replace default inputbar handler */
g_signal_handler_disconnect((gpointer) Zathura.UI.inputbar, Zathura.Handler.inputbar_activate);
Zathura.Handler.inputbar_activate = g_signal_connect(G_OBJECT(Zathura.UI.inputbar), "activate", G_CALLBACK(cb_inputbar_password_activate), NULL);
Argument argument;
argument.data = "Enter password: ";
sc_focus_inputbar(&argument);
}
void
eval_marker(int id)
{
/* go to last marker */
if(id == 0x27)
{
int current_page = Zathura.PDF.page_number;
set_page(Zathura.Marker.last);
Zathura.Marker.last = current_page;
return;
}
/* search markers */
int i;
for(i = 0; i < Zathura.Marker.number_of_markers; i++)
{
if(Zathura.Marker.markers[i].id == id)
{
set_page(Zathura.Marker.markers[i].page);
return;
}
}
}
void
highlight_result(int page_id, PopplerRectangle* rectangle)
{
PopplerRectangle* trect = poppler_rectangle_copy(rectangle);
cairo_t *cairo = cairo_create(Zathura.PDF.surface);
cairo_set_source_rgba(cairo, Zathura.Style.search_highlight.red, Zathura.Style.search_highlight.green,
Zathura.Style.search_highlight.blue, transparency);
recalc_rectangle(page_id, trect);
cairo_rectangle(cairo, trect->x1, trect->y1, (trect->x2 - trect->x1), (trect->y2 - trect->y1));
poppler_rectangle_free(trect);
cairo_fill(cairo);
cairo_destroy(cairo);
}
void
notify(int level, const char* message)
{
switch(level)
{
case ERROR:
gtk_widget_modify_base(GTK_WIDGET(Zathura.UI.inputbar), GTK_STATE_NORMAL, &(Zathura.Style.notification_e_bg));
gtk_widget_modify_text(GTK_WIDGET(Zathura.UI.inputbar), GTK_STATE_NORMAL, &(Zathura.Style.notification_e_fg));
break;
case WARNING:
gtk_widget_modify_base(GTK_WIDGET(Zathura.UI.inputbar), GTK_STATE_NORMAL, &(Zathura.Style.notification_w_bg));
gtk_widget_modify_text(GTK_WIDGET(Zathura.UI.inputbar), GTK_STATE_NORMAL, &(Zathura.Style.notification_w_fg));
break;
default:
gtk_widget_modify_base(GTK_WIDGET(Zathura.UI.inputbar), GTK_STATE_NORMAL, &(Zathura.Style.inputbar_bg));
gtk_widget_modify_text(GTK_WIDGET(Zathura.UI.inputbar), GTK_STATE_NORMAL, &(Zathura.Style.inputbar_fg));
break;
}
if(message)
gtk_entry_set_text(Zathura.UI.inputbar, message);
}
gboolean
open_file(char* path, char* password)
{
g_static_mutex_lock(&(Zathura.Lock.pdf_obj_lock));
/* specify path max */
size_t pm;
#ifdef PATH_MAX
pm = PATH_MAX;
#else
pm = pathconf(path,_PC_PATH_MAX);
if(pm <= 0)
pm = 4096;
#endif
char* rpath = NULL;
if(path[0] == '~')
{
gchar* home_path = get_home_dir();
rpath = g_build_filename(home_path, path + 1, NULL);
g_free(home_path);
}
else
rpath = g_strdup(path);
/* get filename */
char* file = (char*) g_malloc0(sizeof(char) * pm);
if (!file)
out_of_memory();
if(!realpath(rpath, file))
{
notify(ERROR, "File does not exist");
g_free(file);
g_free(rpath);
g_static_mutex_unlock(&(Zathura.Lock.pdf_obj_lock));
return FALSE;
}
g_free(rpath);
/* check if file exists */
if(!g_file_test(file, G_FILE_TEST_IS_REGULAR))
{
notify(ERROR, "File does not exist");
g_free(file);
g_static_mutex_unlock(&(Zathura.Lock.pdf_obj_lock));
return FALSE;
}
/* close old file */
g_static_mutex_unlock(&(Zathura.Lock.pdf_obj_lock));
close_file(FALSE);
g_static_mutex_lock(&(Zathura.Lock.pdf_obj_lock));
/* format path */
GError* error = NULL;
char* file_uri = g_filename_to_uri(file, NULL, &error);
if (!file_uri)
{
if(file)
g_free(file);
char* message = g_strdup_printf("Can not open file: %s", error->message);
notify(ERROR, message);
g_free(message);
g_error_free(error);
g_static_mutex_unlock(&(Zathura.Lock.pdf_obj_lock));
return FALSE;
}
/* open file */
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
Zathura.PDF.document = poppler_document_new_from_file(file_uri, password, &error);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
if(!Zathura.PDF.document)
{
if(error->code == 1)
{
g_free(file_uri);
g_error_free(error);
Zathura.PDF.file = file;
g_static_mutex_unlock(&(Zathura.Lock.pdf_obj_lock));
enter_password();
return FALSE;
}
else
{
char* message = g_strdup_printf("Can not open file: %s", error->message);
notify(ERROR, message);
g_free(file_uri);
g_free(message);
g_error_free(error);
g_static_mutex_unlock(&(Zathura.Lock.pdf_obj_lock));
return FALSE;
}
}
/* save password */
g_free(Zathura.PDF.password);
Zathura.PDF.password = password ? g_strdup(password) : NULL;
/* inotify */
if(!Zathura.FileMonitor.monitor)
{
GFile* file = g_file_new_for_uri(file_uri);
if(file)
{
Zathura.FileMonitor.monitor = g_file_monitor_file(file, G_FILE_MONITOR_NONE, NULL, NULL);
if(Zathura.FileMonitor.monitor)
g_signal_connect(G_OBJECT(Zathura.FileMonitor.monitor), "changed", G_CALLBACK(cb_watch_file), NULL);
Zathura.FileMonitor.file = file;
}
}
g_free(file_uri);
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
Zathura.PDF.number_of_pages = poppler_document_get_n_pages(Zathura.PDF.document);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
g_free(Zathura.PDF.file);
Zathura.PDF.file = file;
Zathura.PDF.scale = 100;
Zathura.PDF.rotate = 0;
if(Zathura.State.filename)
g_free(Zathura.State.filename);
Zathura.State.filename = g_markup_escape_text(file, -1);
Zathura.PDF.pages = g_malloc(Zathura.PDF.number_of_pages * sizeof(Page*));
if(!Zathura.PDF.pages)
out_of_memory();
/* get pages and check label mode */
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
Zathura.Global.enable_labelmode = FALSE;
int i;
for(i = 0; i < Zathura.PDF.number_of_pages; i++)
{
Zathura.PDF.pages[i] = malloc(sizeof(Page));
if(!Zathura.PDF.pages[i])
out_of_memory();
Zathura.PDF.pages[i]->id = i + 1;
Zathura.PDF.pages[i]->page = poppler_document_get_page(Zathura.PDF.document, i);
g_object_get(G_OBJECT(Zathura.PDF.pages[i]->page), "label", &(Zathura.PDF.pages[i]->label), NULL);
/* check if it is necessary to use the label mode */
int label_int = atoi(Zathura.PDF.pages[i]->label);
if(label_int == 0 || label_int != (i+1))
Zathura.Global.enable_labelmode = TRUE;
}
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
/* set correct goto mode */
if(!Zathura.Global.enable_labelmode && GOTO_MODE == GOTO_LABELS)
Zathura.Global.goto_mode = GOTO_DEFAULT;
/* start page */
int start_page = 0;
Zathura.PDF.page_offset = 0;
/* bookmarks */
if(Zathura.Bookmarks.data && g_key_file_has_group(Zathura.Bookmarks.data, file))
{
/* get last opened page */
if(save_position && g_key_file_has_key(Zathura.Bookmarks.data, file,
bm_reserved_names[BM_PAGE_ENTRY], NULL))
start_page = g_key_file_get_integer(Zathura.Bookmarks.data, file,
bm_reserved_names[BM_PAGE_ENTRY], NULL);
/* get page offset */
if(save_position && g_key_file_has_key(Zathura.Bookmarks.data, file,
bm_reserved_names[BM_PAGE_OFFSET], NULL))
Zathura.PDF.page_offset = g_key_file_get_integer(Zathura.Bookmarks.data, file,
bm_reserved_names[BM_PAGE_OFFSET], NULL);
if((Zathura.PDF.page_offset != 0) && (Zathura.PDF.page_offset != GOTO_OFFSET))
Zathura.PDF.page_offset = GOTO_OFFSET;
/* get zoom level */
if (save_zoom_level && g_key_file_has_key(Zathura.Bookmarks.data, file,
bm_reserved_names[BM_PAGE_SCALE], NULL))
{
Zathura.PDF.scale = g_key_file_get_integer(Zathura.Bookmarks.data, file,
bm_reserved_names[BM_PAGE_SCALE], NULL);
Zathura.Global.adjust_mode = ADJUST_NONE;
}
if (Zathura.PDF.scale > zoom_max)
Zathura.PDF.scale = zoom_max;
if (Zathura.PDF.scale < zoom_min)
Zathura.PDF.scale = zoom_min;
/* open and read bookmark file */
gsize i = 0;
gsize number_of_keys = 0;
char** keys = g_key_file_get_keys(Zathura.Bookmarks.data, file, &number_of_keys, NULL);
for(i = 0; i < number_of_keys; i++)
{
if(!is_reserved_bm_name(keys[i]))
{
Zathura.Bookmarks.bookmarks = realloc(Zathura.Bookmarks.bookmarks,
(Zathura.Bookmarks.number_of_bookmarks + 1) * sizeof(Bookmark));
Zathura.Bookmarks.bookmarks[Zathura.Bookmarks.number_of_bookmarks].id = g_strdup(keys[i]);
Zathura.Bookmarks.bookmarks[Zathura.Bookmarks.number_of_bookmarks].page =
g_key_file_get_integer(Zathura.Bookmarks.data, file, keys[i], NULL);
Zathura.Bookmarks.number_of_bookmarks++;
}
}
g_strfreev(keys);
}
/* set window title */
gtk_window_set_title(GTK_WINDOW(Zathura.UI.window), basename(file));
/* show document */
set_page(start_page);
update_status();
g_static_mutex_unlock(&(Zathura.Lock.pdf_obj_lock));
isc_abort(NULL);
return TRUE;
}
gboolean
open_stdin(gchar* password)
{
GError* error = NULL;
gchar* file = NULL;
gint handle = g_file_open_tmp("zathura.stdin.XXXXXX.pdf", &file, &error);
if (handle == -1)
{
gchar* message = g_strdup_printf("Can not create temporary file: %s", error->message);
notify(ERROR, message);
g_free(message);
g_error_free(error);
return FALSE;
}
// read from stdin and dump to temporary file
int stdinfno = fileno(stdin);
if (stdinfno == -1)
{
gchar* message = g_strdup_printf("Can not read from stdin.");
notify(ERROR, message);
g_free(message);
close(handle);
g_unlink(file);
g_free(file);
return FALSE;
}
char buffer[BUFSIZ];
ssize_t count = 0;
while ((count = read(stdinfno, buffer, BUFSIZ)) > 0)
{
if (write(handle, buffer, count) != count)
{
gchar* message = g_strdup_printf("Can not write to temporary file: %s", file);
notify(ERROR, message);
g_free(message);
close(handle);
g_unlink(file);
g_free(file);
return FALSE;
}
}
if (count != 0)
{
gchar* message = g_strdup_printf("Can not read from stdin.");
notify(ERROR, message);
g_free(message);
close(handle);
g_unlink(file);
g_free(file);
return FALSE;
}
/* update data */
if (Zathura.StdinSupport.file)
g_unlink(Zathura.StdinSupport.file);
g_free(Zathura.StdinSupport.file);
Zathura.StdinSupport.file = file;
return open_file(Zathura.StdinSupport.file, password);
}
void open_uri(char* uri)
{
char* escaped_uri = g_shell_quote(uri);
char* uri_cmd = g_strdup_printf(uri_command, escaped_uri);
system(uri_cmd);
g_free(uri_cmd);
g_free(escaped_uri);
}
void out_of_memory(void)
{
printf("error: out of memory\n");
exit(-1);
}
void
update_status(void)
{
/* update text */
gtk_label_set_markup((GtkLabel*) Zathura.Global.status_text, Zathura.State.filename);
/* update pages */
if( Zathura.PDF.document && Zathura.PDF.pages )
{
int page = Zathura.PDF.page_number;
g_free(Zathura.State.pages);
Zathura.State.pages = g_strdup_printf("[%i/%i]", page + 1, Zathura.PDF.number_of_pages);
}
/* update state */
char* zoom_level = (Zathura.PDF.scale != 0) ? g_strdup_printf("%d%%", Zathura.PDF.scale) : g_strdup("");
char* goto_mode = (Zathura.Global.goto_mode == GOTO_LABELS) ? "L" :
(Zathura.Global.goto_mode == GOTO_OFFSET) ? "O" : "D";
char* status_text = g_strdup_printf("%s [%s] %s (%d%%)", zoom_level, goto_mode, Zathura.State.pages, Zathura.State.scroll_percentage);
gtk_label_set_markup((GtkLabel*) Zathura.Global.status_state, status_text);
g_free(status_text);
g_free(zoom_level);
}
void
read_bookmarks_file(void)
{
/* free it at first */
if (Zathura.Bookmarks.data)
g_key_file_free(Zathura.Bookmarks.data);
/* create or open existing bookmark file */
Zathura.Bookmarks.data = g_key_file_new();
if(!g_file_test(Zathura.Bookmarks.file, G_FILE_TEST_IS_REGULAR))
{
/* file does not exist */
g_file_set_contents(Zathura.Bookmarks.file, "# Zathura bookmarks\n", -1, NULL);
}
GError* error = NULL;
if(!g_key_file_load_from_file(Zathura.Bookmarks.data, Zathura.Bookmarks.file,
G_KEY_FILE_KEEP_COMMENTS | G_KEY_FILE_KEEP_TRANSLATIONS, &error))
{
gchar* message = g_strdup_printf("Could not load bookmark file: %s", error->message);
notify(ERROR, message);
g_free(message);
}
}
void
read_configuration_file(const char* rcfile)
{
if(!rcfile)
return;
if(!g_file_test(rcfile, G_FILE_TEST_IS_REGULAR))
return;
char* content = NULL;
if(g_file_get_contents(rcfile, &content, NULL, NULL))
{
gchar **lines = g_strsplit(content, "\n", -1);
int n = g_strv_length(lines) - 1;
int i;
for(i = 0; i <= n; i++)
{
if(!strlen(lines[i]))
continue;
gchar **pre_tokens = g_strsplit_set(lines[i], "\t ", -1);
int pre_length = g_strv_length(pre_tokens);
gchar** tokens = g_malloc0(sizeof(gchar*) * (pre_length + 1));
gchar** tokp = tokens;
int length = 0;
for (int i = 0; i != pre_length; ++i) {
if (strlen(pre_tokens[i])) {
*tokp++ = pre_tokens[i];
++length;
}
}
if(!strcmp(tokens[0], "set"))
cmd_set(length - 1, tokens + 1);
else if(!strcmp(tokens[0], "map"))
cmd_map(length - 1, tokens + 1);
g_free(tokens);
}
g_strfreev(lines);
g_free(content);
}
}
void
read_configuration(void)
{
char* zathurarc = g_build_filename(Zathura.Config.config_dir, ZATHURA_RC, NULL);
read_configuration_file(GLOBAL_RC);
read_configuration_file(zathurarc);
g_free(zathurarc);
}
void
recalc_rectangle(int page_id, PopplerRectangle* rectangle)
{
double page_width, page_height;
double x1 = rectangle->x1;
double x2 = rectangle->x2;
double y1 = rectangle->y1;
double y2 = rectangle->y2;
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
poppler_page_get_size(Zathura.PDF.pages[page_id]->page, &page_width, &page_height);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
double scale = ((double) Zathura.PDF.scale / 100.0);
int rotate = Zathura.PDF.rotate;
switch(rotate)
{
case 90:
rectangle->x1 = y2 * scale;
rectangle->y1 = x1 * scale;
rectangle->x2 = y1 * scale;
rectangle->y2 = x2 * scale;
break;
case 180:
rectangle->x1 = (page_width - x2) * scale;
rectangle->y1 = y2 * scale;
rectangle->x2 = (page_width - x1) * scale;
rectangle->y2 = y1 * scale;
break;
case 270:
rectangle->x1 = (page_height - y1) * scale;
rectangle->y1 = (page_width - x2) * scale;
rectangle->x2 = (page_height - y2) * scale;
rectangle->y2 = (page_width - x1) * scale;
break;
default:
rectangle->x1 = x1 * scale;
rectangle->y1 = (page_height - y1) * scale;
rectangle->x2 = x2 * scale;
rectangle->y2 = (page_height - y2) * scale;
}
}
GtkEventBox*
create_completion_row(GtkBox* results, char* command, char* description, gboolean group)
{
GtkBox *col = GTK_BOX(gtk_hbox_new(FALSE, 0));
GtkEventBox *row = GTK_EVENT_BOX(gtk_event_box_new());
GtkLabel *show_command = GTK_LABEL(gtk_label_new(NULL));
GtkLabel *show_description = GTK_LABEL(gtk_label_new(NULL));
gtk_misc_set_alignment(GTK_MISC(show_command), 0.0, 0.0);
gtk_misc_set_alignment(GTK_MISC(show_description), 0.0, 0.0);
if(group)
{
gtk_misc_set_padding(GTK_MISC(show_command), 2.0, 4.0);
gtk_misc_set_padding(GTK_MISC(show_description), 2.0, 4.0);
}
else
{
gtk_misc_set_padding(GTK_MISC(show_command), 1.0, 1.0);
gtk_misc_set_padding(GTK_MISC(show_description), 1.0, 1.0);
}
gtk_label_set_use_markup(show_command, TRUE);
gtk_label_set_use_markup(show_description, TRUE);
gchar* c = g_markup_printf_escaped(FORMAT_COMMAND, command ? command : "");
gchar* d = g_markup_printf_escaped(FORMAT_DESCRIPTION, description ? description : "");
gtk_label_set_markup(show_command, c);
gtk_label_set_markup(show_description, d);
g_free(c);
g_free(d);
if(group)
{
gtk_widget_modify_fg(GTK_WIDGET(show_command), GTK_STATE_NORMAL, &(Zathura.Style.completion_g_fg));
gtk_widget_modify_fg(GTK_WIDGET(show_description), GTK_STATE_NORMAL, &(Zathura.Style.completion_g_fg));
gtk_widget_modify_bg(GTK_WIDGET(row), GTK_STATE_NORMAL, &(Zathura.Style.completion_g_bg));
}
else
{
gtk_widget_modify_fg(GTK_WIDGET(show_command), GTK_STATE_NORMAL, &(Zathura.Style.completion_fg));
gtk_widget_modify_fg(GTK_WIDGET(show_description), GTK_STATE_NORMAL, &(Zathura.Style.completion_fg));
gtk_widget_modify_bg(GTK_WIDGET(row), GTK_STATE_NORMAL, &(Zathura.Style.completion_bg));
}
gtk_widget_modify_font(GTK_WIDGET(show_command), Zathura.Style.font);
gtk_widget_modify_font(GTK_WIDGET(show_description), Zathura.Style.font);
gtk_box_pack_start(GTK_BOX(col), GTK_WIDGET(show_command), TRUE, TRUE, 2);
gtk_box_pack_start(GTK_BOX(col), GTK_WIDGET(show_description), FALSE, FALSE, 2);
gtk_container_add(GTK_CONTAINER(row), GTK_WIDGET(col));
gtk_box_pack_start(results, GTK_WIDGET(row), FALSE, FALSE, 0);
return row;
}
void
set_completion_row_color(GtkBox* results, int mode, int id)
{
GtkEventBox *row = (GtkEventBox*) g_list_nth_data(gtk_container_get_children(GTK_CONTAINER(results)), id);
if(row)
{
GtkBox *col = (GtkBox*) g_list_nth_data(gtk_container_get_children(GTK_CONTAINER(row)), 0);
GtkLabel *cmd = (GtkLabel*) g_list_nth_data(gtk_container_get_children(GTK_CONTAINER(col)), 0);
GtkLabel *cdesc = (GtkLabel*) g_list_nth_data(gtk_container_get_children(GTK_CONTAINER(col)), 1);
if(mode == NORMAL)
{
gtk_widget_modify_fg(GTK_WIDGET(cmd), GTK_STATE_NORMAL, &(Zathura.Style.completion_fg));
gtk_widget_modify_fg(GTK_WIDGET(cdesc), GTK_STATE_NORMAL, &(Zathura.Style.completion_fg));
gtk_widget_modify_bg(GTK_WIDGET(row), GTK_STATE_NORMAL, &(Zathura.Style.completion_bg));
}
else
{
gtk_widget_modify_fg(GTK_WIDGET(cmd), GTK_STATE_NORMAL, &(Zathura.Style.completion_hl_fg));
gtk_widget_modify_fg(GTK_WIDGET(cdesc), GTK_STATE_NORMAL, &(Zathura.Style.completion_hl_fg));
gtk_widget_modify_bg(GTK_WIDGET(row), GTK_STATE_NORMAL, &(Zathura.Style.completion_hl_bg));
}
}
}
void
set_page(int page)
{
if(page >= Zathura.PDF.number_of_pages || page < 0)
{
notify(WARNING, "Could not open page");
return;
}
Zathura.PDF.page_number = page;
Zathura.Search.draw = FALSE;
Argument argument;
argument.n = TOP;
switch_view(Zathura.UI.document);
draw(page);
sc_scroll(&argument);
}
void
switch_view(GtkWidget* widget)
{
GtkWidget* child = gtk_bin_get_child(GTK_BIN(Zathura.UI.viewport));
if(child == widget)
return;
if(child)
{
g_object_ref(child);
gtk_container_remove(GTK_CONTAINER(Zathura.UI.viewport), child);
}
gtk_container_add(GTK_CONTAINER(Zathura.UI.viewport), GTK_WIDGET(widget));
}
Completion*
completion_init(void)
{
Completion *completion = malloc(sizeof(Completion));
if(!completion)
out_of_memory();
completion->groups = NULL;
return completion;
}
CompletionGroup*
completion_group_create(char* name)
{
CompletionGroup* group = malloc(sizeof(CompletionGroup));
if(!group)
out_of_memory();
group->value = name ? g_strdup(name) : NULL;
group->elements = NULL;
group->next = NULL;
return group;
}
void
completion_add_group(Completion* completion, CompletionGroup* group)
{
CompletionGroup* cg = completion->groups;
while(cg && cg->next)
cg = cg->next;
if(cg)
cg->next = group;
else
completion->groups = group;
}
void completion_free(Completion* completion)
{
CompletionGroup* group = completion->groups;
CompletionElement *element;
while(group)
{
element = group->elements;
while(element)
{
CompletionElement* ne = element->next;
g_free(element->value);
g_free(element->description);
free(element);
element = ne;
}
CompletionGroup *ng = group->next;
g_free(group->value);
free(group);
group = ng;
}
free(completion);
}
void completion_group_add_element(CompletionGroup* group, char* name, char* description)
{
CompletionElement* el = group->elements;
while(el && el->next)
el = el->next;
CompletionElement* new_element = malloc(sizeof(CompletionElement));
if(!new_element)
out_of_memory();
new_element->value = name ? g_strdup(name) : NULL;
new_element->description = description ? g_strdup(description) : NULL;
new_element->next = NULL;
if(el)
el->next = new_element;
else
group->elements = new_element;
}
/* thread implementation */
void*
search(void* parameter)
{
Argument* argument = (Argument*) parameter;
static char* search_item;
static int direction;
static int next_page = 0;
gchar* old_query = NULL;
int page_counter;
GList* results = NULL;
if(argument->n != NO_SEARCH)
{
/* search document */
if(argument->n)
direction = (argument->n == BACKWARD) ? -1 : 1;
if(argument->data)
{
if(search_item)
g_free(search_item);
search_item = g_strdup((char*) argument->data);
}
g_free(argument->data);
g_free(argument);
g_static_mutex_lock(&(Zathura.Lock.pdf_obj_lock));
if(!Zathura.PDF.document || !search_item || !strlen(search_item))
{
g_static_mutex_unlock(&(Zathura.Lock.pdf_obj_lock));
g_static_mutex_lock(&(Zathura.Lock.search_lock));
Zathura.Thread.search_thread_running = FALSE;
g_static_mutex_unlock(&(Zathura.Lock.search_lock));
g_thread_exit(NULL);
}
old_query = Zathura.Search.query;
/* delete old results */
if(Zathura.Search.results)
{
g_list_free(Zathura.Search.results);
Zathura.Search.results = NULL;
}
Zathura.Search.query = g_strdup(search_item);
int number_of_pages = Zathura.PDF.number_of_pages;
int page_number = Zathura.PDF.page_number;
g_static_mutex_unlock(&(Zathura.Lock.pdf_obj_lock));
page_counter = (g_strcmp0(old_query,search_item) == 0) ? 1 : 0;
for( ; page_counter <= number_of_pages; page_counter++)
{
g_static_mutex_lock(&(Zathura.Lock.search_lock));
if(Zathura.Thread.search_thread_running == FALSE)
{
g_static_mutex_unlock(&(Zathura.Lock.search_lock));
g_free(old_query);
g_thread_exit(NULL);
}
g_static_mutex_unlock(&(Zathura.Lock.search_lock));
next_page = (number_of_pages + page_number +
page_counter * direction) % number_of_pages;
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
PopplerPage* page = poppler_document_get_page(Zathura.PDF.document, next_page);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
if(!page)
{
g_free(old_query);
g_thread_exit(NULL);
}
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
results = poppler_page_find_text(page, search_item);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
g_object_unref(page);
if(results)
break;
}
}
else
{
Zathura.Search.draw = TRUE;
g_free(argument->data);
g_free(argument);
}
/* draw results */
if(results)
{
gdk_threads_enter();
set_page(next_page);
if(Zathura.Search.results)
g_list_free(Zathura.Search.results);
Zathura.Search.results = results;
Zathura.Search.page = next_page;
Zathura.Search.draw = TRUE;
Zathura.Search.query = g_strdup(search_item);
gdk_threads_leave();
}
g_static_mutex_lock(&(Zathura.Lock.search_lock));
Zathura.Thread.search_thread_running = FALSE;
g_static_mutex_unlock(&(Zathura.Lock.search_lock));
g_free(old_query);
g_thread_exit(NULL);
return NULL;
}
/* shortcut implementation */
void
sc_abort(Argument* argument)
{
/* Clear buffer */
if(Zathura.Global.buffer)
{
g_string_free(Zathura.Global.buffer, TRUE);
Zathura.Global.buffer = NULL;
gtk_label_set_markup((GtkLabel*) Zathura.Global.status_buffer, "");
}
if(!Zathura.Global.show_inputbar)
gtk_widget_hide(GTK_WIDGET(Zathura.UI.inputbar));
/* Set back to normal mode */
change_mode(NORMAL);
switch_view(Zathura.UI.document);
}
void
sc_adjust_window(Argument* argument)
{
if(!Zathura.PDF.document)
return;
Zathura.Global.adjust_mode = argument->n;
GtkAdjustment* adjustment;
double view_size;
double page_width;
double page_height;
if(argument->n == ADJUST_BESTFIT)
adjustment = gtk_scrolled_window_get_vadjustment(Zathura.UI.view);
else if(argument->n == ADJUST_WIDTH)
adjustment = gtk_scrolled_window_get_hadjustment(Zathura.UI.view);
else
return;
view_size = gtk_adjustment_get_page_size(adjustment);
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
poppler_page_get_size(Zathura.PDF.pages[Zathura.PDF.page_number]->page, &page_width, &page_height);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
if ((Zathura.PDF.rotate == 90) || (Zathura.PDF.rotate == 270))
{
double swap = page_width;
page_width = page_height;
page_height = swap;
}
if(argument->n == ADJUST_BESTFIT)
Zathura.PDF.scale = (view_size / page_height) * 100;
else
Zathura.PDF.scale = (view_size / page_width) * 100;
draw(Zathura.PDF.page_number);
update_status();
}
void
sc_change_buffer(Argument* argument)
{
if(!Zathura.Global.buffer)
return;
int buffer_length = Zathura.Global.buffer->len;
if(argument->n == DELETE_LAST)
{
if((buffer_length - 1) == 0)
{
g_string_free(Zathura.Global.buffer, TRUE);
Zathura.Global.buffer = NULL;
gtk_label_set_markup((GtkLabel*) Zathura.Global.status_buffer, "");
}
else
{
GString* temp = g_string_new_len(Zathura.Global.buffer->str, buffer_length - 1);
g_string_free(Zathura.Global.buffer, TRUE);
Zathura.Global.buffer = temp;
gtk_label_set_markup((GtkLabel*) Zathura.Global.status_buffer, Zathura.Global.buffer->str);
}
}
}
void
sc_change_mode(Argument* argument)
{
if(argument)
change_mode(argument->n);
}
void
sc_focus_inputbar(Argument* argument)
{
if(!(GTK_WIDGET_VISIBLE(GTK_WIDGET(Zathura.UI.inputbar))))
gtk_widget_show(GTK_WIDGET(Zathura.UI.inputbar));
if(argument->data)
{
char* data = argument->data;
if(argument->n == APPEND_FILEPATH)
data = g_strdup_printf("%s%s", data, Zathura.PDF.file);
else
data = g_strdup(data);
notify(DEFAULT, data);
g_free(data);
gtk_widget_grab_focus(GTK_WIDGET(Zathura.UI.inputbar));
gtk_editable_set_position(GTK_EDITABLE(Zathura.UI.inputbar), -1);
}
}
void
sc_follow(Argument* argument)
{
if(!Zathura.PDF.document)
return;
Page* current_page = Zathura.PDF.pages[Zathura.PDF.page_number];
int link_id = 1;
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
GList *link_list = poppler_page_get_link_mapping(current_page->page);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
link_list = g_list_reverse(link_list);
if(g_list_length(link_list) <= 0)
return;
GList *links;
for(links = link_list; links; links = g_list_next(links))
{
PopplerLinkMapping *link_mapping = (PopplerLinkMapping*) links->data;
PopplerRectangle* link_rectangle = &link_mapping->area;
PopplerAction *action = link_mapping->action;
/* only handle URI and internal links */
if(action->type == POPPLER_ACTION_URI || action->type == POPPLER_ACTION_GOTO_DEST)
{
highlight_result(Zathura.PDF.page_number, link_rectangle);
/* draw text */
recalc_rectangle(Zathura.PDF.page_number, link_rectangle);
cairo_t *cairo = cairo_create(Zathura.PDF.surface);
cairo_select_font_face(cairo, font, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
cairo_set_font_size(cairo, 10);
cairo_move_to(cairo, link_rectangle->x1 + 1, link_rectangle->y1 - 1);
char* link_number = g_strdup_printf("%i", link_id++);
cairo_show_text(cairo, link_number);
cairo_destroy(cairo);
g_free(link_number);
}
}
gtk_widget_queue_draw(Zathura.UI.drawing_area);
poppler_page_free_link_mapping(link_list);
/* replace default inputbar handler */
g_signal_handler_disconnect((gpointer) Zathura.UI.inputbar, Zathura.Handler.inputbar_activate);
Zathura.Handler.inputbar_activate = g_signal_connect(G_OBJECT(Zathura.UI.inputbar), "activate", G_CALLBACK(cb_inputbar_form_activate), NULL);
argument->data = "Follow hint: ";
sc_focus_inputbar(argument);
}
void
sc_navigate(Argument* argument)
{
if(!Zathura.PDF.document)
return;
int number_of_pages = Zathura.PDF.number_of_pages;
int new_page = Zathura.PDF.page_number;
if(argument->n == NEXT)
new_page = scroll_wrap ? ((new_page + 1) % number_of_pages) : (new_page + 1);
else if(argument->n == PREVIOUS)
new_page = scroll_wrap ? ((new_page + number_of_pages - 1) % number_of_pages) : (new_page - 1);
if (!scroll_wrap && (new_page < 0 || new_page >= number_of_pages))
return;
set_page(new_page);
update_status();
}
void
sc_recolor(Argument* argument)
{
Zathura.Global.recolor = !Zathura.Global.recolor;
draw(Zathura.PDF.page_number);
}
void
sc_reload(Argument* argument)
{
draw(Zathura.PDF.page_number);
GtkAdjustment* vadjustment = gtk_scrolled_window_get_vadjustment(Zathura.UI.view);
GtkAdjustment* hadjustment = gtk_scrolled_window_get_hadjustment(Zathura.UI.view);
/* save old information */
g_static_mutex_lock(&(Zathura.Lock.pdf_obj_lock));
char* path = Zathura.PDF.file ? strdup(Zathura.PDF.file) : NULL;
char* password = Zathura.PDF.password ? strdup(Zathura.PDF.password) : NULL;
int scale = Zathura.PDF.scale;
int page = Zathura.PDF.page_number;
int rotate = Zathura.PDF.rotate;
gdouble va = gtk_adjustment_get_value(vadjustment);
gdouble ha = gtk_adjustment_get_value(hadjustment);
g_static_mutex_unlock(&(Zathura.Lock.pdf_obj_lock));
/* reopen and restore settings */
close_file(TRUE);
open_file(path, password);
g_static_mutex_lock(&(Zathura.Lock.pdf_obj_lock));
Zathura.PDF.scale = scale;
Zathura.PDF.rotate = rotate;
gtk_adjustment_set_value(vadjustment, va);
gtk_adjustment_set_value(hadjustment, ha);
g_static_mutex_unlock(&(Zathura.Lock.pdf_obj_lock));
if (Zathura.PDF.number_of_pages != 0) {
if (page >= Zathura.PDF.number_of_pages - 1)
page = Zathura.PDF.number_of_pages - 1;
Zathura.PDF.page_number = page;
draw(Zathura.PDF.page_number);
}
if(path)
free(path);
if(password)
free(password);
}
void
sc_rotate(Argument* argument)
{
Zathura.PDF.rotate = (Zathura.PDF.rotate + 90) % 360;
Zathura.Search.draw = TRUE;
draw(Zathura.PDF.page_number);
}
void
sc_scroll(Argument* argument)
{
GtkAdjustment* adjustment;
if( (argument->n == LEFT) || (argument->n == RIGHT) )
adjustment = gtk_scrolled_window_get_hadjustment(Zathura.UI.view);
else
adjustment = gtk_scrolled_window_get_vadjustment(Zathura.UI.view);
gdouble view_size = gtk_adjustment_get_page_size(adjustment);
gdouble value = gtk_adjustment_get_value(adjustment);
gdouble max = gtk_adjustment_get_upper(adjustment) - view_size;
gboolean static ss = FALSE;
if((argument->n == UP || argument->n == HALF_UP || argument->n == FULL_UP) && value == 0)
{
int old_page = Zathura.PDF.page_number;
Argument arg;
arg.n = PREVIOUS;
sc_navigate(&arg);
if (!scroll_wrap || (Zathura.PDF.page_number < old_page))
{
arg.n = BOTTOM;
ss = TRUE;
sc_scroll(&arg);
}
return;
}
else if((argument->n == DOWN || argument->n == HALF_DOWN || argument->n == FULL_DOWN) && value == max)
{
Argument arg;
arg.n = NEXT;
ss = TRUE;
sc_navigate(&arg);
return;
}
gdouble new_value;
if(argument->n == FULL_UP)
new_value = (value - view_size) < 0 ? 0 : (value - view_size);
else if(argument->n == FULL_DOWN)
new_value = (value + view_size) > max ? max : (value + view_size);
else if(argument->n == HALF_UP)
new_value = (value - (view_size / 2)) < 0 ? 0 : (value - (view_size / 2));
else if(argument->n == HALF_DOWN)
new_value = (value + (view_size / 2)) > max ? max : (value + (view_size / 2));
else if((argument->n == LEFT) || (argument->n == UP))
new_value = (value - scroll_step) < 0 ? 0 : (value - scroll_step);
else if(argument->n == TOP)
new_value = 0;
else if(argument->n == BOTTOM)
new_value = max;
else
new_value = (value + scroll_step) > max ? max : (value + scroll_step);
if( !((argument->n == LEFT) || (argument->n == RIGHT)) )
Zathura.State.scroll_percentage = max == 0 ? 0 : (new_value*100/max);
if(smooth_scrolling && !ss)
{
gdouble i;
if(new_value > value)
for(i = value; (i + smooth_scrolling) < new_value; i += smooth_scrolling)
gtk_adjustment_set_value(adjustment, i);
else
for(i = value; (i + smooth_scrolling) > new_value; i -= smooth_scrolling)
gtk_adjustment_set_value(adjustment, i);
}
gtk_adjustment_set_value(adjustment, new_value);
ss = FALSE;
update_status();
}
void
sc_search(Argument* argument)
{
g_static_mutex_lock(&(Zathura.Lock.search_lock));
if(Zathura.Thread.search_thread_running)
{
Zathura.Thread.search_thread_running = FALSE;
g_static_mutex_unlock(&(Zathura.Lock.search_lock));
gdk_threads_leave();
g_thread_join(Zathura.Thread.search_thread);
gdk_threads_enter();
g_static_mutex_lock(&(Zathura.Lock.search_lock));
}
Argument* newarg = g_malloc0(sizeof(Argument));
newarg->n = argument->n;
newarg->data = argument->data ? g_strdup(argument->data) : NULL;
Zathura.Thread.search_thread_running = TRUE;
Zathura.Thread.search_thread = g_thread_create(search, (gpointer) newarg, TRUE, NULL);
g_static_mutex_unlock(&(Zathura.Lock.search_lock));
}
void
sc_switch_goto_mode(Argument* argument)
{
switch(Zathura.Global.goto_mode)
{
case GOTO_LABELS:
Zathura.Global.goto_mode = GOTO_OFFSET;
break;
case GOTO_OFFSET:
Zathura.Global.goto_mode = GOTO_DEFAULT;
break;
default:
if(Zathura.Global.enable_labelmode)
Zathura.Global.goto_mode = GOTO_LABELS;
else
Zathura.Global.goto_mode = GOTO_OFFSET;
break;
}
update_status();
}
gboolean cb_index_row_activated(GtkTreeView* treeview, GtkTreePath* path,
GtkTreeViewColumn* column, gpointer user_data)
{
GtkTreeModel *model;
GtkTreeIter iter;
g_object_get(treeview, "model", &model, NULL);
if(gtk_tree_model_get_iter(model, &iter, path))
{
PopplerAction* action;
PopplerDest* destination;
gtk_tree_model_get(model, &iter, 1, &action, -1);
if(!action)
return TRUE;
if(action->type == POPPLER_ACTION_GOTO_DEST)
{
destination = action->goto_dest.dest;
int page_number = destination->page_num;
if(action->goto_dest.dest->type == POPPLER_DEST_NAMED)
{
PopplerDest* d = poppler_document_find_dest(Zathura.PDF.document, action->goto_dest.dest->named_dest);
if(d)
{
page_number = d->page_num;
poppler_dest_free(d);
}
}
set_page(page_number - 1);
update_status();
Zathura.Global.show_index = FALSE;
gtk_widget_grab_focus(GTK_WIDGET(Zathura.UI.document));
}
}
Zathura.Global.mode = NORMAL;
g_object_unref(model);
return TRUE;
}
void
sc_navigate_index(Argument* argument)
{
if(!Zathura.UI.index)
return;
GtkTreeView *treeview = gtk_container_get_children(GTK_CONTAINER(Zathura.UI.index))->data;
GtkTreePath *path;
gtk_tree_view_get_cursor(treeview, &path, NULL);
if(!path)
return;
GtkTreeModel *model = gtk_tree_view_get_model(treeview);
GtkTreeIter iter;
GtkTreeIter child_iter;
gboolean is_valid_path = TRUE;
switch(argument->n)
{
case UP:
if(!gtk_tree_path_prev(path))
is_valid_path = (gtk_tree_path_get_depth(path) > 1) && gtk_tree_path_up(path) ;
else /* row above */
{
while(gtk_tree_view_row_expanded(treeview, path)) {
gtk_tree_model_get_iter(model, &iter, path);
/* select last child */
gtk_tree_model_iter_nth_child(model, &child_iter, &iter,
gtk_tree_model_iter_n_children(model, &iter)-1);
gtk_tree_path_free(path);
path = gtk_tree_model_get_path(model, &child_iter);
}
}
break;
case COLLAPSE:
if(!gtk_tree_view_collapse_row(treeview, path)
&& gtk_tree_path_get_depth(path) > 1)
{
gtk_tree_path_up(path);
gtk_tree_view_collapse_row(treeview, path);
}
break;
case DOWN:
if(gtk_tree_view_row_expanded(treeview, path))
gtk_tree_path_down(path);
else
{
do
{
gtk_tree_model_get_iter(model, &iter, path);
if (gtk_tree_model_iter_next(model, &iter))
{
path = gtk_tree_model_get_path(model, &iter);
break;
}
}
while((is_valid_path = (gtk_tree_path_get_depth(path) > 1))
&& gtk_tree_path_up(path));
}
break;
case EXPAND:
if(gtk_tree_view_expand_row(treeview, path, FALSE))
gtk_tree_path_down(path);
break;
case SELECT:
cb_index_row_activated(treeview, path, NULL, NULL);
return;
}
if (is_valid_path )
gtk_tree_view_set_cursor(treeview, path, NULL, FALSE);
gtk_tree_path_free(path);
}
void
sc_toggle_index(Argument* argument)
{
if(!Zathura.PDF.document)
return;
GtkWidget *treeview;
GtkTreeModel *model;
GtkCellRenderer *renderer;
PopplerIndexIter *iter;
if(!Zathura.UI.index)
{
Zathura.UI.index = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(Zathura.UI.index),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
if((iter = poppler_index_iter_new(Zathura.PDF.document)))
{
model = GTK_TREE_MODEL(gtk_tree_store_new(2, G_TYPE_STRING, G_TYPE_POINTER));
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
build_index(model, NULL, iter);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
poppler_index_iter_free(iter);
}
else
{
notify(WARNING, "This document does not contain any index");
Zathura.UI.index = NULL;
return;
}
treeview = gtk_tree_view_new_with_model (model);
g_object_unref(model);
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW (treeview), 0, "Title",
renderer, "markup", 0, NULL);
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
g_object_set(G_OBJECT(renderer), "ellipsize", PANGO_ELLIPSIZE_END, NULL);
g_object_set(G_OBJECT(gtk_tree_view_get_column(GTK_TREE_VIEW(treeview), 0)), "expand", TRUE, NULL);
gtk_tree_view_set_cursor(GTK_TREE_VIEW(treeview), gtk_tree_path_new_first(), NULL, FALSE);
g_signal_connect(G_OBJECT(treeview), "row-activated", G_CALLBACK(cb_index_row_activated), NULL);
gtk_container_add (GTK_CONTAINER (Zathura.UI.index), treeview);
gtk_widget_show (treeview);
gtk_widget_show(Zathura.UI.index);
}
if(!Zathura.Global.show_index)
{
switch_view(Zathura.UI.index);
Zathura.Global.mode = INDEX;
}
else
{
switch_view(Zathura.UI.document);
Zathura.Global.mode = NORMAL;
}
Zathura.Global.show_index = !Zathura.Global.show_index;
}
void
sc_toggle_inputbar(Argument* argument)
{
if(GTK_WIDGET_VISIBLE(GTK_WIDGET(Zathura.UI.inputbar)))
gtk_widget_hide(GTK_WIDGET(Zathura.UI.inputbar));
else
gtk_widget_show(GTK_WIDGET(Zathura.UI.inputbar));
}
void
sc_toggle_fullscreen(Argument* argument)
{
static gboolean fs = TRUE;
if(fs)
{
gtk_window_fullscreen(GTK_WINDOW(Zathura.UI.window));
gtk_widget_hide(GTK_WIDGET(Zathura.UI.inputbar));
gtk_widget_hide(GTK_WIDGET(Zathura.UI.statusbar));
Argument arg;
arg.n = ADJUST_BESTFIT;
sc_adjust_window(&arg);
Zathura.Global.mode = FULLSCREEN;
fs = FALSE;
}
else
{
gtk_window_unfullscreen(GTK_WINDOW(Zathura.UI.window));
gtk_widget_show(GTK_WIDGET(Zathura.UI.inputbar));
gtk_widget_show(GTK_WIDGET(Zathura.UI.statusbar));
Zathura.Global.mode = NORMAL;
fs = TRUE;
}
isc_abort(NULL);
}
void
sc_toggle_statusbar(Argument* argument)
{
if(GTK_WIDGET_VISIBLE(GTK_WIDGET(Zathura.UI.statusbar)))
gtk_widget_hide(GTK_WIDGET(Zathura.UI.statusbar));
else
gtk_widget_show(GTK_WIDGET(Zathura.UI.statusbar));
}
void
sc_quit(Argument* argument)
{
cb_destroy(NULL, NULL);
}
void
sc_zoom(Argument* argument)
{
bcmd_zoom(NULL, argument);
}
/* inputbar shortcut declarations */
void
isc_abort(Argument* argument)
{
Argument arg = { HIDE };
isc_completion(&arg);
notify(DEFAULT, "");
change_mode(NORMAL);
gtk_widget_grab_focus(GTK_WIDGET(Zathura.UI.view));
if(!Zathura.Global.show_inputbar)
gtk_widget_hide(GTK_WIDGET(Zathura.UI.inputbar));
/* replace default inputbar handler */
g_signal_handler_disconnect((gpointer) Zathura.UI.inputbar, Zathura.Handler.inputbar_activate);
Zathura.Handler.inputbar_activate = g_signal_connect(G_OBJECT(Zathura.UI.inputbar), "activate", G_CALLBACK(cb_inputbar_activate), NULL);
sc_abort(NULL);
}
void
isc_command_history(Argument* argument)
{
static int current = 0;
int length = g_list_length(Zathura.Global.history);
if(length > 0)
{
if(argument->n == NEXT)
current = (length + current + 1) % length;
else
current = (length + current - 1) % length;
gchar* command = (gchar*) g_list_nth_data(Zathura.Global.history, current);
notify(DEFAULT, command);
gtk_widget_grab_focus(GTK_WIDGET(Zathura.UI.inputbar));
gtk_editable_set_position(GTK_EDITABLE(Zathura.UI.inputbar), -1);
}
}
void
isc_completion(Argument* argument)
{
gchar *input = gtk_editable_get_chars(GTK_EDITABLE(Zathura.UI.inputbar), 1, -1);
gchar *tmp_string = gtk_editable_get_chars(GTK_EDITABLE(Zathura.UI.inputbar), 0, 1);
gchar identifier = tmp_string[0];
int length = strlen(input);
if(!input || !tmp_string)
{
if(input)
g_free(input);
if(tmp_string)
g_free(tmp_string);
return;
}
/* get current information*/
char* first_space = strstr(input, " ");
char* current_command;
char* current_parameter;
int current_command_length;
if(!first_space)
{
current_command = g_strdup(input);
current_command_length = length;
current_parameter = NULL;
}
else
{
int offset = abs(input - first_space);
current_command = g_strndup(input, offset);
current_command_length = strlen(current_command);
current_parameter = input + offset + 1;
}
/* if the identifier does not match the command sign and
* the completion should not be hidden, leave this function */
if((identifier != ':') && (argument->n != HIDE))
{
if(current_command)
g_free(current_command);
if(input)
g_free(input);
if(tmp_string)
g_free(tmp_string);
return;
}
/* static elements */
static GtkBox *results = NULL;
static CompletionRow *rows = NULL;
static int current_item = 0;
static int n_items = 0;
static char *previous_command = NULL;
static char *previous_parameter = NULL;
static int previous_id = 0;
static int previous_length = 0;
static gboolean command_mode = TRUE;
/* delete old list iff
* the completion should be hidden
* the current command differs from the previous one
* the current parameter differs from the previous one
*/
if( (argument->n == HIDE) ||
(current_parameter && previous_parameter && strcmp(current_parameter, previous_parameter)) ||
(current_command && previous_command && strcmp(current_command, previous_command)) ||
(previous_length != length)
)
{
if(results)
gtk_widget_destroy(GTK_WIDGET(results));
results = NULL;
if(rows)
{
for(int i = 0; i != n_items; ++i)
{
g_free(rows[i].command);
g_free(rows[i].description);
}
free(rows);
}
rows = NULL;
current_item = 0;
n_items = 0;
command_mode = TRUE;
if(argument->n == HIDE)
{
if(current_command)
g_free(current_command);
if(input)
g_free(input);
if(tmp_string)
g_free(tmp_string);
return;
}
}
/* create new list iff
* there is no current list
* the current command differs from the previous one
* the current parameter differs from the previous one
*/
if( (!results) )
{
results = GTK_BOX(gtk_vbox_new(FALSE, 0));
/* create list based on parameters iff
* there is a current parameter given
* there is an old list with commands
* the current command does not differ from the previous one
* the current command has an completion function
*/
if(strchr(input, ' '))
{
gboolean search_matching_command = FALSE;
int i;
for(i = 0; i < LENGTH(commands); i++)
{
int abbr_length = commands[i].abbr ? strlen(commands[i].abbr) : 0;
int cmd_length = commands[i].command ? strlen(commands[i].command) : 0;
if( ((current_command_length <= cmd_length) && !strncmp(current_command, commands[i].command, current_command_length)) ||
((current_command_length <= abbr_length) && !strncmp(current_command, commands[i].abbr, current_command_length))
)
{
if(commands[i].completion)
{
previous_command = current_command;
previous_id = i;
search_matching_command = TRUE;
}
else
{
if(current_command)
g_free(current_command);
if(input)
g_free(input);
if(tmp_string)
g_free(tmp_string);
return;
}
}
}
if(!search_matching_command)
{
if(current_command)
g_free(current_command);
if(input)
g_free(input);
if(tmp_string)
g_free(tmp_string);
return;
}
Completion *result = commands[previous_id].completion(current_parameter);
if(!result || !result->groups)
{
if(current_command)
g_free(current_command);
if(input)
g_free(input);
if(tmp_string)
g_free(tmp_string);
return;
}
command_mode = FALSE;
CompletionGroup* group = NULL;
CompletionElement* element = NULL;
rows = malloc(sizeof(CompletionRow));
if(!rows)
out_of_memory();
for(group = result->groups; group != NULL; group = group->next)
{
int group_elements = 0;
for(element = group->elements; element != NULL; element = element->next)
{
if(element->value)
{
if(group->value && !group_elements)
{
rows = realloc(rows, (n_items + 1) * sizeof(CompletionRow));
rows[n_items].command = g_strdup(group->value);
rows[n_items].description = NULL;
rows[n_items].command_id = -1;
rows[n_items].is_group = TRUE;
rows[n_items++].row = GTK_WIDGET(create_completion_row(results, group->value, NULL, TRUE));
}
rows = realloc(rows, (n_items + 1) * sizeof(CompletionRow));
rows[n_items].command = g_strdup(element->value);
rows[n_items].description = element->description ? g_strdup(element->description) : NULL;
rows[n_items].command_id = previous_id;
rows[n_items].is_group = FALSE;
rows[n_items++].row = GTK_WIDGET(create_completion_row(results, element->value, element->description, FALSE));
group_elements++;
}
}
}
/* clean up */
completion_free(result);
}
/* create list based on commands */
else
{
int i = 0;
command_mode = TRUE;
rows = malloc(LENGTH(commands) * sizeof(CompletionRow));
if(!rows)
out_of_memory();
for(i = 0; i < LENGTH(commands); i++)
{
int abbr_length = commands[i].abbr ? strlen(commands[i].abbr) : 0;
int cmd_length = commands[i].command ? strlen(commands[i].command) : 0;
/* add command to list iff
* the current command would match the command
* the current command would match the abbreviation
*/
if( ((current_command_length <= cmd_length) && !strncmp(current_command, commands[i].command, current_command_length)) ||
((current_command_length <= abbr_length) && !strncmp(current_command, commands[i].abbr, current_command_length))
)
{
rows[n_items].command = g_strdup(commands[i].command);
rows[n_items].description = g_strdup(commands[i].description);
rows[n_items].command_id = i;
rows[n_items].is_group = FALSE;
rows[n_items++].row = GTK_WIDGET(create_completion_row(results, commands[i].command, commands[i].description, FALSE));
}
}
rows = realloc(rows, n_items * sizeof(CompletionRow));
}
gtk_box_pack_start(Zathura.UI.box, GTK_WIDGET(results), FALSE, FALSE, 0);
gtk_widget_show_all(GTK_WIDGET(Zathura.UI.window));
current_item = (argument->n == NEXT) ? -1 : 0;
}
/* update coloring iff
* there is a list with items
*/
if( (results) && (n_items > 0) )
{
set_completion_row_color(results, NORMAL, current_item);
char* temp;
int i = 0, next_group = 0;
for(i = 0; i < n_items; i++)
{
if(argument->n == NEXT || argument->n == NEXT_GROUP)
current_item = (current_item + n_items + 1) % n_items;
else if(argument->n == PREVIOUS || argument->n == PREVIOUS_GROUP)
current_item = (current_item + n_items - 1) % n_items;
if(rows[current_item].is_group)
{
if(!command_mode && (argument->n == NEXT_GROUP || argument->n == PREVIOUS_GROUP))
next_group = 1;
continue;
}
else
{
if(!command_mode && (next_group == 0) && (argument->n == NEXT_GROUP || argument->n == PREVIOUS_GROUP))
continue;
break;
}
}
set_completion_row_color(results, HIGHLIGHT, current_item);
/* hide other items */
int uh = ceil(n_completion_items / 2);
int lh = floor(n_completion_items / 2);
for(i = 0; i < n_items; i++)
{
if((n_items > 1) && (
(i >= (current_item - lh) && (i <= current_item + uh)) ||
(i < n_completion_items && current_item < lh) ||
(i >= (n_items - n_completion_items) && (current_item >= (n_items - uh))))
)
gtk_widget_show(rows[i].row);
else
gtk_widget_hide(rows[i].row);
}
if(command_mode)
temp = g_strconcat(":", rows[current_item].command, (n_items == 1) ? " " : NULL, NULL);
else
temp = g_strconcat(":", previous_command, " ", rows[current_item].command, NULL);
gtk_entry_set_text(Zathura.UI.inputbar, temp);
gtk_editable_set_position(GTK_EDITABLE(Zathura.UI.inputbar), -1);
g_free(temp);
previous_command = g_strdup((command_mode) ? rows[current_item].command : current_command);
previous_parameter = g_strdup((command_mode) ? current_parameter : rows[current_item].command);
previous_length = strlen(previous_command) + ((command_mode) ? (length - current_command_length) : (strlen(previous_parameter) + 1));
previous_id = rows[current_item].command_id;
}
if(current_command)
g_free(current_command);
if(input)
g_free(input);
if(tmp_string)
g_free(tmp_string);
}
void
isc_string_manipulation(Argument* argument)
{
gchar *input = gtk_editable_get_chars(GTK_EDITABLE(Zathura.UI.inputbar), 0, -1);
int length = strlen(input);
int pos = gtk_editable_get_position(GTK_EDITABLE(Zathura.UI.inputbar));
int i;
switch (argument->n) {
case DELETE_LAST_WORD:
i = pos - 1;
if(!pos)
return;
/* remove trailing spaces */
for(; i >= 0 && input[i] == ' '; i--);
/* find the beginning of the word */
while((i > 0) && (input[i] != ' ') && (input[i] != '/'))
i--;
gtk_editable_delete_text(GTK_EDITABLE(Zathura.UI.inputbar), i, pos);
gtk_editable_set_position(GTK_EDITABLE(Zathura.UI.inputbar), i);
break;
case DELETE_LAST_CHAR:
if((length - 1) <= 0)
isc_abort(NULL);
gtk_editable_delete_text(GTK_EDITABLE(Zathura.UI.inputbar), pos - 1, pos);
break;
case DELETE_TO_LINE_START:
gtk_editable_delete_text(GTK_EDITABLE(Zathura.UI.inputbar), 1, pos);
break;
case NEXT_CHAR:
gtk_editable_set_position(GTK_EDITABLE(Zathura.UI.inputbar), pos + 1);
break;
case PREVIOUS_CHAR:
gtk_editable_set_position(GTK_EDITABLE(Zathura.UI.inputbar), (pos == 0) ? 0 : pos - 1);
break;
default: /* unreachable */
break;
}
}
/* command implementation */
gboolean
cmd_bookmark(int argc, char** argv)
{
if(!Zathura.PDF.document || argc < 1)
return TRUE;
/* get id */
int i;
GString *id = g_string_new("");
for(i = 0; i < argc; i++)
{
if(i != 0)
id = g_string_append_c(id, ' ');
id = g_string_append(id, argv[i]);
}
if(is_reserved_bm_name(id->str))
{
notify(WARNING, "Can't set bookmark: reserved bookmark name");
g_string_free(id, TRUE);
return FALSE;
}
/* check for existing bookmark to overwrite */
for(i = 0; i < Zathura.Bookmarks.number_of_bookmarks; i++)
{
if(!strcmp(id->str, Zathura.Bookmarks.bookmarks[i].id))
{
Zathura.Bookmarks.bookmarks[i].page = Zathura.PDF.page_number;
g_string_free(id, TRUE);
return TRUE;
}
}
/* add new bookmark */
Zathura.Bookmarks.bookmarks = realloc(Zathura.Bookmarks.bookmarks,
(Zathura.Bookmarks.number_of_bookmarks + 1) * sizeof(Bookmark));
Zathura.Bookmarks.bookmarks[Zathura.Bookmarks.number_of_bookmarks].id = g_strdup(id->str);
Zathura.Bookmarks.bookmarks[Zathura.Bookmarks.number_of_bookmarks].page = Zathura.PDF.page_number;
Zathura.Bookmarks.number_of_bookmarks++;
g_string_free(id, TRUE);
return TRUE;
}
gboolean
cmd_open_bookmark(int argc, char** argv)
{
if(!Zathura.PDF.document || argc < 1)
return TRUE;
/* get id */
int i;
GString *id = g_string_new("");
for(i = 0; i < argc; i++)
{
if(i != 0)
id = g_string_append_c(id, ' ');
id = g_string_append(id, argv[i]);
}
/* find bookmark */
for(i = 0; i < Zathura.Bookmarks.number_of_bookmarks; i++)
{
if(!strcmp(id->str, Zathura.Bookmarks.bookmarks[i].id))
{
set_page(Zathura.Bookmarks.bookmarks[i].page);
return TRUE;
}
}
notify(WARNING, "No matching bookmark found");
return FALSE;
}
gboolean
cmd_close(int argc, char** argv)
{
close_file(FALSE);
return TRUE;
}
gboolean
cmd_correct_offset(int argc, char** argv)
{
if(!Zathura.PDF.document || argc == 0)
return TRUE;
Zathura.PDF.page_offset = (Zathura.PDF.page_number + 1) - atoi(argv[0]);
if(Zathura.PDF.page_offset != 0)
Zathura.Global.goto_mode = GOTO_OFFSET;
else
Zathura.Global.goto_mode = GOTO_MODE;
update_status();
return TRUE;
}
gboolean
cmd_delete_bookmark(int argc, char** argv)
{
if(!Zathura.PDF.document || argc < 1)
return TRUE;
/* get id */
int i;
GString *id = g_string_new("");
for(i = 0; i < argc; i++)
{
if(i != 0)
id = g_string_append_c(id, ' ');
id = g_string_append(id, argv[i]);
}
/* check for bookmark to delete */
for(i = 0; i < Zathura.Bookmarks.number_of_bookmarks; i++)
{
if(!strcmp(id->str, Zathura.Bookmarks.bookmarks[i].id))
{
/* update key file */
g_key_file_remove_key(Zathura.Bookmarks.data, Zathura.PDF.file, Zathura.Bookmarks.bookmarks[i].id, NULL);
g_free(Zathura.Bookmarks.bookmarks[i].id);
/* update bookmarks */
Zathura.Bookmarks.bookmarks[i].id = Zathura.Bookmarks.bookmarks[Zathura.Bookmarks.number_of_bookmarks - 1].id;
Zathura.Bookmarks.bookmarks[i].page = Zathura.Bookmarks.bookmarks[Zathura.Bookmarks.number_of_bookmarks - 1].page;
Zathura.Bookmarks.bookmarks = realloc(Zathura.Bookmarks.bookmarks,
Zathura.Bookmarks.number_of_bookmarks * sizeof(Bookmark));
Zathura.Bookmarks.number_of_bookmarks--;
return TRUE;
}
}
return TRUE;
}
gboolean
cmd_export(int argc, char** argv)
{
if(argc == 0 || !Zathura.PDF.document)
return TRUE;
if(argc < 2)
{
notify(WARNING, "No export path specified");
return FALSE;
}
/* export images */
if(!strcmp(argv[0], "images"))
{
int page_number;
for(page_number = 0; page_number < Zathura.PDF.number_of_pages; page_number++)
{
GList *image_list;
GList *images;
cairo_surface_t *image;
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
image_list = poppler_page_get_image_mapping(Zathura.PDF.pages[page_number]->page);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
if(!g_list_length(image_list))
{
notify(WARNING, "This document does not contain any images");
return FALSE;
}
for(images = image_list; images; images = g_list_next(images))
{
PopplerImageMapping *image_mapping;
gint image_id;
char* file;
char* filename;
image_mapping = (PopplerImageMapping*) images->data;
image_id = image_mapping->image_id;
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
image = poppler_page_get_image(Zathura.PDF.pages[page_number]->page, image_id);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
if(!image)
continue;
filename = g_strdup_printf("%s_p%i_i%i.png", Zathura.PDF.file, page_number + 1, image_id);
if(argv[1][0] == '~')
{
gchar* home_path = get_home_dir();
file = g_strdup_printf("%s%s%s", home_path, argv[1] + 1, filename);
g_free(home_path);
}
else
file = g_strdup_printf("%s%s", argv[1], filename);
cairo_surface_write_to_png(image, file);
g_free(filename);
g_free(file);
}
}
}
else if(!strcmp(argv[0], "attachments"))
{
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
if(!poppler_document_has_attachments(Zathura.PDF.document))
{
notify(WARNING, "PDF file has no attachments");
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
return FALSE;
}
GList *attachment_list = poppler_document_get_attachments(Zathura.PDF.document);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
GList *attachments;
char *file;
for(attachments = attachment_list; attachments; attachments = g_list_next(attachments))
{
PopplerAttachment *attachment = (PopplerAttachment*) attachments->data;
if(argv[1][0] == '~')
{
gchar* home_path = get_home_dir();
file = g_strdup_printf("%s%s%s", home_path, argv[1] + 1, attachment->name);
g_free(home_path);
}
else
file = g_strdup_printf("%s%s", argv[1], attachment->name);
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
poppler_attachment_save(attachment, file, NULL);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
g_free(file);
}
}
return TRUE;
}
gboolean
cmd_info(int argc, char** argv)
{
if(!Zathura.PDF.document)
return TRUE;
static gboolean visible = FALSE;
if(!Zathura.UI.information)
{
GtkListStore *list;
GtkTreeIter iter;
GtkCellRenderer *renderer;
GtkTreeSelection *selection;
list = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_STRING);
/* read document information */
gchar *title, *author;
gchar *subject, *keywords;
gchar *creator, *producer;
GTime creation_date, modification_date;
g_object_get(Zathura.PDF.document,
"title", &title,
"author", &author,
"subject", &subject,
"keywords", &keywords,
"creator", &creator,
"producer", &producer,
"creation-date", &creation_date,
"mod-date", &modification_date,
NULL);
/* append information to list */
gtk_list_store_append(list, &iter);
gtk_list_store_set(list, &iter, 0, "Author", 1, author ? author : "", -1);
gtk_list_store_append(list, &iter);
gtk_list_store_set(list, &iter, 0, "Title", 1, title ? title : "", -1);
gtk_list_store_append(list, &iter);
gtk_list_store_set(list, &iter, 0, "Subject", 1, subject ? subject : "", -1);
gtk_list_store_append(list, &iter);
gtk_list_store_set(list, &iter, 0, "Keywords", 1, keywords ? keywords : "", -1);
gtk_list_store_append(list, &iter);
gtk_list_store_set(list, &iter, 0, "Creator", 1, creator ? creator : "", -1);
gtk_list_store_append(list, &iter);
gtk_list_store_set(list, &iter, 0, "Producer", 1, producer ? producer : "", -1);
Zathura.UI.information = gtk_tree_view_new_with_model(GTK_TREE_MODEL(list));
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(Zathura.UI.information), -1,
"Name", renderer, "text", 0, NULL);
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(Zathura.UI.information), -1,
"Value", renderer, "text", 1, NULL);
selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(Zathura.UI.information));
gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
gtk_widget_show_all(Zathura.UI.information);
}
if(!visible)
switch_view(Zathura.UI.information);
else
switch_view(Zathura.UI.document);
visible = !visible;
return FALSE;
}
gboolean
cmd_map(int argc, char** argv)
{
if(argc < 2)
return TRUE;
char* ks = argv[0];
/* search for the right shortcut function */
int sc_id = -1;
int sc_c;
for(sc_c = 0; sc_c < LENGTH(shortcut_names); sc_c++)
{
if(!strcmp(argv[1], shortcut_names[sc_c].name))
{
sc_id = sc_c;
break;
}
}
if(sc_id == -1)
{
notify(WARNING, "No such shortcut function exists");
return FALSE;
}
/* parse modifier and key */
int mask = 0;
int key = 0;
int keyl = strlen(ks);
int mode = NORMAL;
// single key (e.g.: g)
if(keyl == 1)
key = ks[0];
// modifier and key (e.g.: <S-g>
// special key or modifier and key/special key (e.g.: <S-g>, <Space>)
else if(keyl >= 3 && ks[0] == '<' && ks[keyl-1] == '>')
{
char* specialkey = NULL;
/* check for modifier */
if(keyl >= 5 && ks[2] == '-')
{
/* evaluate modifier */
switch(ks[1])
{
case 'S':
mask = GDK_SHIFT_MASK;
break;
case 'C':
mask = GDK_CONTROL_MASK;
break;
}
/* no valid modifier */
if(!mask)
{
notify(WARNING, "No valid modifier given.");
return FALSE;
}
/* modifier and special key */
if(keyl > 5)
specialkey = g_strndup(ks + 3, keyl - 4);
else
key = ks[3];
}
else
specialkey = ks;
/* search special key */
int g_c;
for(g_c = 0; specialkey && g_c < LENGTH(gdk_keys); g_c++)
{
if(!strcmp(specialkey, gdk_keys[g_c].identifier))
{
key = gdk_keys[g_c].key;
break;
}
}
if(specialkey)
g_free(specialkey);
}
if(!key)
{
notify(WARNING, "No valid key binding given.");
return FALSE;
}
/* parse argument */
Argument arg = {0, 0};
if(argc >= 3)
{
int arg_id = -1;
/* compare argument with given argument names... */
int arg_c;
for(arg_c = 0; arg_c < LENGTH(argument_names); arg_c++)
{
if(!strcmp(argv[2], argument_names[arg_c].name))
{
arg_id = argument_names[arg_c].argument;
break;
}
}
/* if not, save it do .data */
if(arg_id == -1)
arg.data = argv[2];
else
arg.n = arg_id;
}
/* parse mode */
if(argc >= 4)
{
int mode_c;
for(mode_c = 0; mode_c < LENGTH(mode_names); mode_c++)
{
if(!strcmp(argv[3], mode_names[mode_c].name))
{
mode = mode_names[mode_c].mode;
break;
}
}
}
/* search for existing binding to overwrite it */
ShortcutList* sc = Zathura.Bindings.sclist;
while(sc && sc->next != NULL)
{
if(sc->element.key == key && sc->element.mask == mask
&& sc->element.mode == mode)
{
sc->element.function = shortcut_names[sc_id].function;
sc->element.argument = arg;
return TRUE;
}
sc = sc->next;
}
/* create new entry */
ShortcutList* entry = malloc(sizeof(ShortcutList));
if(!entry)
out_of_memory();
entry->element.mask = mask;
entry->element.key = key;
entry->element.function = shortcut_names[sc_id].function;
entry->element.mode = mode;
entry->element.argument = arg;
entry->next = NULL;
/* append to list */
if(!Zathura.Bindings.sclist)
Zathura.Bindings.sclist = entry;
if(sc)
sc->next = entry;
return TRUE;
}
gboolean
cmd_open(int argc, char** argv)
{
if(argc == 0 || strlen(argv[0]) == 0)
return TRUE;
/* assembly the arguments back to one string */
int i = 0;
GString *filepath = g_string_new("");
for(i = 0; i < argc; i++)
{
if(i != 0)
filepath = g_string_append_c(filepath, ' ');
filepath = g_string_append(filepath, argv[i]);
}
gboolean res = open_file(filepath->str, NULL);
g_string_free(filepath, TRUE);
return res;
}
gboolean
cmd_print(int argc, char** argv)
{
if(!Zathura.PDF.document)
return TRUE;
if(argc == 0)
{
notify(WARNING, "No printer specified");
return FALSE;
}
char* printer = argv[0];
char* sites = (argc >= 2) ? g_strdup(argv[1]) : g_strdup_printf("1-%i", Zathura.PDF.number_of_pages);
GString *addit = g_string_new("");
int i;
for(i = 2; i < argc; i++)
{
if(i != 0)
addit = g_string_append_c(addit, ' ');
addit = g_string_append(addit, argv[i]);
}
char* escaped_filename = g_shell_quote(Zathura.PDF.file);
char* command = g_strdup_printf(print_command, printer, sites, addit->str, escaped_filename);
system(command);
g_free(sites);
g_free(escaped_filename);
g_free(command);
g_string_free(addit, TRUE);
return TRUE;
}
gboolean
cmd_rotate(int argc, char** argv)
{
return TRUE;
}
gboolean
cmd_set(int argc, char** argv)
{
if(argc <= 0)
return FALSE;
int i;
for(i = 0; i < LENGTH(settings); i++)
{
if(!strcmp(argv[0], settings[i].name))
{
/* check var type */
if(settings[i].type == 'b')
{
gboolean *x = (gboolean*) (settings[i].variable);
*x = !(*x);
if(argv[1])
{
if(!strcmp(argv[1], "false") || !strcmp(argv[1], "0"))
*x = FALSE;
else
*x = TRUE;
}
}
else if(settings[i].type == 'i')
{
if(argc != 2)
return FALSE;
int *x = (int*) (settings[i].variable);
int id = -1;
int arg_c;
for(arg_c = 0; arg_c < LENGTH(argument_names); arg_c++)
{
if(!strcmp(argv[1], argument_names[arg_c].name))
{
id = argument_names[arg_c].argument;
break;
}
}
if(id == -1)
id = atoi(argv[1]);
*x = id;
}
else if(settings[i].type == 'f')
{
if(argc != 2)
return FALSE;
float *x = (float*) (settings[i].variable);
if(argv[1])
*x = atof(argv[1]);
}
else if(settings[i].type == 's')
{
if(argc < 2)
return FALSE;
/* assembly the arguments back to one string */
int j;
GString *s = g_string_new("");
for(j = 1; j < argc; j++)
{
if(j != 1)
s = g_string_append_c(s, ' ');
s = g_string_append(s, argv[j]);
}
char **x = (char**) settings[i].variable;
*x = s->str;
}
else if(settings[i].type == 'c')
{
if(argc != 2)
return FALSE;
char *x = (char*) (settings[i].variable);
if(argv[1])
*x = argv[1][0];
}
/* re-init */
if(settings[i].reinit)
init_look();
/* render */
if(settings[i].render)
{
if(!Zathura.PDF.document)
return FALSE;
draw(Zathura.PDF.page_number);
}
}
}
update_status();
return TRUE;
}
gboolean
cmd_quit(int argc, char** argv)
{
cb_destroy(NULL, NULL);
return TRUE;
}
gboolean
save_file(int argc, char** argv, gboolean overwrite)
{
if(argc == 0 || !Zathura.PDF.document)
return TRUE;
gchar* file_path = NULL;
if(argv[0][0] == '~')
{
gchar* home_path = get_home_dir();
file_path = g_build_filename(home_path, argv[0] + 1, NULL);
g_free(home_path);
}
else
file_path = g_strdup(argv[0]);
if (!overwrite && g_file_test(file_path, G_FILE_TEST_EXISTS))
{
char* message = g_strdup_printf("File already exists: %s. Use :write! to overwrite it.", file_path);
notify(ERROR, message);
g_free(message);
g_free(file_path);
return FALSE;
}
char* path = NULL;
if (file_path[0] == '/')
path = g_strdup_printf("file://%s", file_path);
else
{
char* cur = g_get_current_dir();
path = g_strdup_printf("file://%s/%s", cur, file_path);
g_free(cur);
}
g_free(file_path);
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
/* format path */
GError* error = NULL;
if (!poppler_document_save(Zathura.PDF.document, path, &error))
{
g_free(path);
char* message = g_strdup_printf("Can not write file: %s", error->message);
notify(ERROR, message);
g_free(message);
g_error_free(error);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
return FALSE;
}
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
g_free(path);
return TRUE;
}
gboolean
cmd_save(int argc, char** argv)
{
return save_file(argc, argv, FALSE);
}
gboolean
cmd_savef(int argc, char** argv)
{
return save_file(argc, argv, TRUE);
}
/* completion command implementation */
Completion*
cc_bookmark(char* input)
{
Completion* completion = completion_init();
CompletionGroup* group = completion_group_create(NULL);
completion_add_group(completion, group);
int i = 0;
int input_length = input ? strlen(input) : 0;
for(i = 0; i < Zathura.Bookmarks.number_of_bookmarks; i++)
{
if( (input_length <= strlen(Zathura.Bookmarks.bookmarks[i].id)) &&
!strncmp(input, Zathura.Bookmarks.bookmarks[i].id, input_length) )
{
completion_group_add_element(group, Zathura.Bookmarks.bookmarks[i].id, g_strdup_printf("Page %d", Zathura.Bookmarks.bookmarks[i].page));
}
}
return completion;
}
Completion*
cc_export(char* input)
{
Completion* completion = completion_init();
CompletionGroup* group = completion_group_create(NULL);
completion_add_group(completion, group);
completion_group_add_element(group, "images", "Export images");
completion_group_add_element(group, "attachments", "Export attachments");
return completion;
}
Completion*
cc_open(char* input)
{
Completion* completion = completion_init();
CompletionGroup* group = completion_group_create(NULL);
completion_add_group(completion, group);
/* ~ */
if(input && input[0] == '~')
{
gchar* home_path = get_home_dir();
char *file = g_strdup_printf(":open %s/%s", home_path, input + 1);
g_free(home_path);
gtk_entry_set_text(Zathura.UI.inputbar, file);
gtk_editable_set_position(GTK_EDITABLE(Zathura.UI.inputbar), -1);
g_free(file);
return NULL;
}
/* read dir */
char* path = g_strdup("/");
char* file = g_strdup("");
int file_length = 0;
/* parse input string */
if(input && strlen(input) > 0)
{
char* dinput = g_strdup(input);
char* binput = g_strdup(input);
char* path_temp = dirname(dinput);
char* file_temp = basename(binput);
char last_char = input[strlen(input) - 1];
if( !strcmp(path_temp, "/") && !strcmp(file_temp, "/") )
{
g_free(file);
file = g_strdup("");
}
else if( !strcmp(path_temp, "/") && strcmp(file_temp, "/") && last_char != '/')
{
g_free(file);
file = g_strdup(file_temp);
}
else if( !strcmp(path_temp, "/") && strcmp(file_temp, "/") && last_char == '/')
{
g_free(path);
path = g_strdup_printf("/%s/", file_temp);
}
else if(last_char == '/')
{
g_free(path);
path = g_strdup(input);
}
else
{
g_free(path);
g_free(file);
path = g_strdup_printf("%s/", path_temp);
file = g_strdup(file_temp);
}
g_free(dinput);
g_free(binput);
}
file_length = strlen(file);
/* open directory */
GDir* dir = g_dir_open(path, 0, NULL);
if(!dir)
{
g_free(path);
g_free(file);
return NULL;
}
/* create element list */
char* name = NULL;
while((name = (char*) g_dir_read_name(dir)) != NULL)
{
char* d_name = g_filename_display_name(name);
int d_length = strlen(d_name);
if( ((file_length <= d_length) && !strncmp(file, d_name, file_length)) ||
(file_length == 0) )
{
char* d = g_strdup_printf("%s%s", path, d_name);
if(g_file_test(d, G_FILE_TEST_IS_DIR))
{
gchar *subdir = d;
d = g_strdup_printf("%s/", subdir);
g_free(subdir);
}
completion_group_add_element(group, d, NULL);
g_free(d);
}
g_free(d_name);
}
g_dir_close(dir);
g_free(file);
g_free(path);
return completion;
}
Completion*
cc_print(char* input)
{
Completion* completion = completion_init();
CompletionGroup* group = completion_group_create(NULL);
completion_add_group(completion, group);
int input_length = input ? strlen(input) : 0;
/* read printers */
char *current_line = NULL, current_char;
int count = 0;
FILE *fp;
fp = popen(list_printer_command, "r");
if(!fp)
{
completion_free(completion);
return NULL;
}
while((current_char = fgetc(fp)) != EOF)
{
if(!current_line)
current_line = malloc(sizeof(char));
if(!current_line)
out_of_memory();
current_line = realloc(current_line, (count + 1) * sizeof(char));
if(current_char != '\n')
current_line[count++] = current_char;
else
{
current_line[count] = '\0';
int line_length = strlen(current_line);
if( (input_length <= line_length) ||
(!strncmp(input, current_line, input_length)) )
{
completion_group_add_element(group, current_line, NULL);
}
free(current_line);
current_line = NULL;
count = 0;
}
}
pclose(fp);
return completion;
}
Completion*
cc_set(char* input)
{
Completion* completion = completion_init();
CompletionGroup* group = completion_group_create(NULL);
completion_add_group(completion, group);
int i = 0;
int input_length = input ? strlen(input) : 0;
for(i = 0; i < LENGTH(settings); i++)
{
if( (input_length <= strlen(settings[i].name)) &&
!strncmp(input, settings[i].name, input_length) )
{
completion_group_add_element(group, settings[i].name, settings[i].description);
}
}
return completion;
}
/* buffer command implementation */
void
bcmd_goto(char* buffer, Argument* argument)
{
if(!Zathura.PDF.document)
return;
int b_length = strlen(buffer);
if(b_length < 1)
return;
if(!strcmp(buffer, "gg"))
set_page(0);
else if(!strcmp(buffer, "G"))
set_page(Zathura.PDF.number_of_pages - 1);
else
{
char* id = g_strndup(buffer, b_length - 1);
int pid = atoi(id);
if(Zathura.Global.goto_mode == GOTO_LABELS)
{
int i;
for(i = 0; i < Zathura.PDF.number_of_pages; i++)
if(!strcmp(id, Zathura.PDF.pages[i]->label))
pid = Zathura.PDF.pages[i]->id;
}
else if(Zathura.Global.goto_mode == GOTO_OFFSET)
pid += Zathura.PDF.page_offset;
set_page(pid - 1);
g_free(id);
}
update_status();
}
gboolean
try_goto(const char* buffer)
{
char* endptr = NULL;
long page_number = strtol(buffer, &endptr, 10) - 1;
if(*endptr)
/* conversion error */
return FALSE;
else
{
/* behave like vim: <= 1 => first line, >= #lines => last line */
page_number = MAX(0, MIN(Zathura.PDF.number_of_pages - 1, page_number));
set_page(page_number);
update_status();
return TRUE;
}
}
void
bcmd_scroll(char* buffer, Argument* argument)
{
int b_length = strlen(buffer);
if(b_length < 1)
return;
int percentage = atoi(g_strndup(buffer, b_length - 1));
percentage = (percentage < 0) ? 0 : ((percentage > 100) ? 100 : percentage);
GtkAdjustment *adjustment = gtk_scrolled_window_get_vadjustment(Zathura.UI.view);
gdouble view_size = gtk_adjustment_get_page_size(adjustment);
gdouble max = gtk_adjustment_get_upper(adjustment) - view_size;
gdouble nvalue = (percentage * max) / 100;
Zathura.State.scroll_percentage = percentage;
gtk_adjustment_set_value(adjustment, nvalue);
update_status();
}
void
bcmd_zoom(char* buffer, Argument* argument)
{
Zathura.Global.adjust_mode = ADJUST_NONE;
if(argument->n == ZOOM_IN)
{
if((Zathura.PDF.scale + zoom_step) <= zoom_max)
Zathura.PDF.scale += zoom_step;
else
Zathura.PDF.scale = zoom_max;
}
else if(argument->n == ZOOM_OUT)
{
if((Zathura.PDF.scale - zoom_step) >= zoom_min)
Zathura.PDF.scale -= zoom_step;
else
Zathura.PDF.scale = zoom_min;
}
else if(argument->n == ZOOM_SPECIFIC)
{
int b_length = strlen(buffer);
if(b_length < 1)
return;
int value = atoi(g_strndup(buffer, b_length - 1));
if(value <= zoom_min)
Zathura.PDF.scale = zoom_min;
else if(value >= zoom_max)
Zathura.PDF.scale = zoom_max;
else
Zathura.PDF.scale = value;
}
else
Zathura.PDF.scale = 100;
Zathura.Search.draw = TRUE;
draw(Zathura.PDF.page_number);
update_status();
}
/* special command implementation */
gboolean
scmd_search(gchar* input, Argument* argument)
{
if(!input || !strlen(input))
return TRUE;
argument->data = input;
sc_search(argument);
return TRUE;
}
/* callback implementation */
gboolean
cb_destroy(GtkWidget* widget, gpointer data)
{
pango_font_description_free(Zathura.Style.font);
if(Zathura.PDF.document)
close_file(FALSE);
/* clean up bookmarks */
g_free(Zathura.Bookmarks.file);
if (Zathura.Bookmarks.data)
g_key_file_free(Zathura.Bookmarks.data);
/* destroy mutexes */
g_static_mutex_free(&(Zathura.Lock.pdflib_lock));
g_static_mutex_free(&(Zathura.Lock.search_lock));
g_static_mutex_free(&(Zathura.Lock.pdf_obj_lock));
g_static_mutex_free(&(Zathura.Lock.select_lock));
/* inotify */
if(Zathura.FileMonitor.monitor)
g_object_unref(Zathura.FileMonitor.monitor);
if(Zathura.FileMonitor.file)
g_object_unref(Zathura.FileMonitor.file);
g_list_free(Zathura.Global.history);
/* clean shortcut list */
ShortcutList* sc = Zathura.Bindings.sclist;
while(sc)
{
ShortcutList* ne = sc->next;
free(sc);
sc = ne;
}
g_free(Zathura.State.filename);
g_free(Zathura.State.pages);
g_free(Zathura.Config.config_dir);
g_free(Zathura.Config.data_dir);
if (Zathura.StdinSupport.file)
g_unlink(Zathura.StdinSupport.file);
g_free(Zathura.StdinSupport.file);
gtk_main_quit();
return TRUE;
}
gboolean cb_draw(GtkWidget* widget, GdkEventExpose* expose, gpointer data)
{
if(!Zathura.PDF.document)
return FALSE;
int page_id = Zathura.PDF.page_number;
if(page_id < 0 || page_id > Zathura.PDF.number_of_pages)
return FALSE;
gdk_window_clear(widget->window);
cairo_t *cairo = gdk_cairo_create(widget->window);
double page_width, page_height, width, height;
double scale = ((double) Zathura.PDF.scale / 100.0);
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
poppler_page_get_size(Zathura.PDF.pages[page_id]->page, &page_width, &page_height);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
if(Zathura.PDF.rotate == 0 || Zathura.PDF.rotate == 180)
{
width = page_width * scale;
height = page_height * scale;
}
else
{
width = page_height * scale;
height = page_width * scale;
}
int window_x, window_y;
gdk_drawable_get_size(widget->window, &window_x, &window_y);
int offset_x, offset_y;
if (window_x > width)
offset_x = (window_x - width) / 2;
else
offset_x = 0;
if (window_y > height)
offset_y = (window_y - height) / 2;
else
offset_y = 0;
if(Zathura.Search.draw)
{
GList* list;
for(list = Zathura.Search.results; list && list->data; list = g_list_next(list))
highlight_result(Zathura.Search.page, (PopplerRectangle*) list->data);
Zathura.Search.draw = FALSE;
}
cairo_set_source_surface(cairo, Zathura.PDF.surface, offset_x, offset_y);
cairo_paint(cairo);
cairo_destroy(cairo);
return TRUE;
}
gboolean
cb_inputbar_kb_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
int i;
/* inputbar shortcuts */
for(i = 0; i < LENGTH(inputbar_shortcuts); i++)
{
if(event->keyval == inputbar_shortcuts[i].key &&
(((event->state & inputbar_shortcuts[i].mask) == inputbar_shortcuts[i].mask)
|| inputbar_shortcuts[i].mask == 0))
{
inputbar_shortcuts[i].function(&(inputbar_shortcuts[i].argument));
return TRUE;
}
}
/* special commands */
char* identifier_string = gtk_editable_get_chars(GTK_EDITABLE(Zathura.UI.inputbar), 0, 1);
char identifier = identifier_string[0];
for(i = 0; i < LENGTH(special_commands); i++)
{
if((identifier == special_commands[i].identifier) &&
(special_commands[i].always == 1))
{
gchar *input = gtk_editable_get_chars(GTK_EDITABLE(Zathura.UI.inputbar), 1, -1);
guint new_utf_char = gdk_keyval_to_unicode(event->keyval);
if(new_utf_char != 0)
{
gchar* newchar = g_malloc0(6 * sizeof(gchar));
if(newchar == NULL)
{
g_free(input);
continue;
}
gint len = g_unichar_to_utf8(new_utf_char, newchar);
newchar[len] = 0;
gchar* tmp = g_strconcat(input, newchar, NULL);
g_free(input);
g_free(newchar);
input = tmp;
}
// FIXME
if((special_commands[i].function == scmd_search) && (event->keyval == GDK_Return))
{
Argument argument = { NO_SEARCH, NULL };
scmd_search(input, &argument);
}
else
{
special_commands[i].function(input, &(special_commands[i].argument));
}
g_free(identifier_string);
g_free(input);
return FALSE;
}
}
g_free(identifier_string);
return FALSE;
}
gboolean
cb_inputbar_activate(GtkEntry* entry, gpointer data)
{
gchar *input = gtk_editable_get_chars(GTK_EDITABLE(entry), 1, -1);
gchar **tokens = g_strsplit(input, " ", -1);
gchar *command = tokens[0];
int length = g_strv_length(tokens);
int i = 0;
gboolean retv = FALSE;
gboolean succ = FALSE;
/* no input */
if(length < 1)
{
isc_abort(NULL);
return FALSE;
}
/* append input to the command history */
Zathura.Global.history = g_list_append(Zathura.Global.history, g_strdup(gtk_entry_get_text(entry)));
/* special commands */
char identifier = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, 1)[0];
for(i = 0; i < LENGTH(special_commands); i++)
{
if(identifier == special_commands[i].identifier)
{
/* special commands that are evaluated every key change are not
* called here */
if(special_commands[i].always == 1)
{
isc_abort(NULL);
return TRUE;
}
retv = special_commands[i].function(input, &(special_commands[i].argument));
if(retv) isc_abort(NULL);
gtk_widget_grab_focus(GTK_WIDGET(Zathura.UI.view));
return TRUE;
}
}
/* search commands */
for(i = 0; i < LENGTH(commands); i++)
{
if((g_strcmp0(command, commands[i].command) == 0) ||
(g_strcmp0(command, commands[i].abbr) == 0))
{
retv = commands[i].function(length - 1, tokens + 1);
succ = TRUE;
break;
}
}
if(retv)
isc_abort(NULL);
if(!succ) {
/* it maybe a goto command */
if(!try_goto(command))
notify(ERROR, "Unknown command.");
}
Argument arg = { HIDE };
isc_completion(&arg);
gtk_widget_grab_focus(GTK_WIDGET(Zathura.UI.view));
return TRUE;
}
gboolean
cb_inputbar_form_activate(GtkEntry* entry, gpointer data)
{
if(!Zathura.PDF.document)
return TRUE;
Page* current_page = Zathura.PDF.pages[Zathura.PDF.page_number];
int number_of_links = 0, link_id = 1, new_page_id = Zathura.PDF.page_number;
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
GList *link_list = poppler_page_get_link_mapping(current_page->page);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
link_list = g_list_reverse(link_list);
if((number_of_links = g_list_length(link_list)) <= 0)
return FALSE;
/* parse entry */
gchar *input = gtk_editable_get_chars(GTK_EDITABLE(entry), 1, -1);
gchar *token = input + strlen("Follow hint: ") - 1;
if(!token)
return FALSE;
int li = atoi(token);
if(li <= 0 || li > number_of_links)
{
set_page(Zathura.PDF.page_number);
isc_abort(NULL);
notify(WARNING, "Invalid hint");
return TRUE;
}
/* compare entry */
GList *links;
for(links = link_list; links; links = g_list_next(links))
{
PopplerLinkMapping *link_mapping = (PopplerLinkMapping*) links->data;
PopplerAction *action = link_mapping->action;
/* only handle URI and internal links */
if(action->type == POPPLER_ACTION_URI)
{
if(li == link_id)
open_uri(action->uri.uri);
}
else if(action->type == POPPLER_ACTION_GOTO_DEST)
{
if(li == link_id)
{
if(action->goto_dest.dest->type == POPPLER_DEST_NAMED)
{
PopplerDest* destination = poppler_document_find_dest(Zathura.PDF.document, action->goto_dest.dest->named_dest);
if(destination)
{
new_page_id = destination->page_num - 1;
poppler_dest_free(destination);
}
}
else
new_page_id = action->goto_dest.dest->page_num - 1;
}
}
else
continue;
link_id++;
}
poppler_page_free_link_mapping(link_list);
/* reset all */
set_page(new_page_id);
isc_abort(NULL);
return TRUE;
}
gboolean
cb_inputbar_password_activate(GtkEntry* entry, gpointer data)
{
gchar *input = gtk_editable_get_chars(GTK_EDITABLE(entry), 1, -1);
gchar *token = input + strlen("Enter password: ") - 1;
if(!token)
return FALSE;
if(!open_file(Zathura.PDF.file, token))
{
enter_password();
return TRUE;
}
/* replace default inputbar handler */
g_signal_handler_disconnect((gpointer) Zathura.UI.inputbar, Zathura.Handler.inputbar_activate);
Zathura.Handler.inputbar_activate = g_signal_connect(G_OBJECT(Zathura.UI.inputbar), "activate", G_CALLBACK(cb_inputbar_activate), NULL);
isc_abort(NULL);
return TRUE;
}
gboolean
cb_view_kb_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
ShortcutList* sc = Zathura.Bindings.sclist;
while(sc)
{
if(
event->keyval == sc->element.key
&& (CLEAN(event->state) == sc->element.mask || (sc->element.key >= 0x21
&& sc->element.key <= 0x7E && CLEAN(event->state) == GDK_SHIFT_MASK))
&& (Zathura.Global.mode & sc->element.mode || sc->element.mode == ALL)
&& sc->element.function
)
{
if(!(Zathura.Global.buffer && strlen(Zathura.Global.buffer->str)) || (sc->element.mask == GDK_CONTROL_MASK) ||
(sc->element.key <= 0x21 || sc->element.key >= 0x7E)
)
{
sc->element.function(&(sc->element.argument));
return TRUE;
}
}
sc = sc->next;
}
if(Zathura.Global.mode == ADD_MARKER)
{
add_marker(event->keyval);
change_mode(NORMAL);
return TRUE;
}
else if(Zathura.Global.mode == EVAL_MARKER)
{
eval_marker(event->keyval);
change_mode(NORMAL);
return TRUE;
}
/* append only numbers and characters to buffer */
if( (event->keyval >= 0x21) && (event->keyval <= 0x7E))
{
if(!Zathura.Global.buffer)
Zathura.Global.buffer = g_string_new("");
Zathura.Global.buffer = g_string_append_c(Zathura.Global.buffer, event->keyval);
gtk_label_set_markup((GtkLabel*) Zathura.Global.status_buffer, Zathura.Global.buffer->str);
}
/* search buffer commands */
if(Zathura.Global.buffer)
{
int i;
for(i = 0; i < LENGTH(buffer_commands); i++)
{
regex_t regex;
int status;
regcomp(&regex, buffer_commands[i].regex, REG_EXTENDED);
status = regexec(&regex, Zathura.Global.buffer->str, (size_t) 0, NULL, 0);
regfree(&regex);
if(status == 0)
{
buffer_commands[i].function(Zathura.Global.buffer->str, &(buffer_commands[i].argument));
g_string_free(Zathura.Global.buffer, TRUE);
Zathura.Global.buffer = NULL;
gtk_label_set_markup((GtkLabel*) Zathura.Global.status_buffer, "");
return TRUE;
}
}
}
return FALSE;
}
gboolean
cb_view_resized(GtkWidget* widget, GtkAllocation* allocation, gpointer data)
{
Argument arg;
arg.n = Zathura.Global.adjust_mode;
sc_adjust_window(&arg);
return TRUE;
}
gboolean
cb_view_button_pressed(GtkWidget* widget, GdkEventButton* event, gpointer data)
{
if(!Zathura.PDF.document)
return FALSE;
/* clean page */
draw(Zathura.PDF.page_number);
g_static_mutex_lock(&(Zathura.Lock.select_lock));
Zathura.SelectPoint.x = event->x;
Zathura.SelectPoint.y = event->y;
g_static_mutex_unlock(&(Zathura.Lock.select_lock));
return TRUE;
}
gboolean
cb_view_button_release(GtkWidget* widget, GdkEventButton* event, gpointer data)
{
if(!Zathura.PDF.document)
return FALSE;
double scale, offset_x, offset_y, page_width, page_height;
PopplerRectangle rectangle;
cairo_t* cairo;
/* build selection rectangle */
rectangle.x1 = event->x;
rectangle.y1 = event->y;
g_static_mutex_lock(&(Zathura.Lock.select_lock));
rectangle.x2 = Zathura.SelectPoint.x;
rectangle.y2 = Zathura.SelectPoint.y;
g_static_mutex_unlock(&(Zathura.Lock.select_lock));
/* calculate offset */
calculate_offset(widget, &offset_x, &offset_y);
/* draw selection rectangle */
cairo = cairo_create(Zathura.PDF.surface);
cairo_set_source_rgba(cairo, Zathura.Style.select_text.red, Zathura.Style.select_text.green,
Zathura.Style.select_text.blue, transparency);
cairo_rectangle(cairo, rectangle.x1 - offset_x, rectangle.y1 - offset_y,
(rectangle.x2 - rectangle.x1), (rectangle.y2 - rectangle.y1));
cairo_fill(cairo);
cairo_destroy(cairo);
gtk_widget_queue_draw(Zathura.UI.drawing_area);
/* resize selection rectangle to document page */
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
poppler_page_get_size(Zathura.PDF.pages[Zathura.PDF.page_number]->page, &page_width, &page_height);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
scale = ((double) Zathura.PDF.scale / 100.0);
rectangle.x1 = (rectangle.x1 - offset_x) / scale;
rectangle.y1 = (rectangle.y1 - offset_y) / scale;
rectangle.x2 = (rectangle.x2 - offset_x) / scale;
rectangle.y2 = (rectangle.y2 - offset_y) / scale;
/* rotation */
int rotate = Zathura.PDF.rotate;
double x1 = rectangle.x1;
double x2 = rectangle.x2;
double y1 = rectangle.y1;
double y2 = rectangle.y2;
switch(rotate)
{
case 90:
rectangle.x1 = y1;
rectangle.y1 = page_height - x2;
rectangle.x2 = y2;
rectangle.y2 = page_height - x1;
break;
case 180:
rectangle.x1 = (page_height - y1);
rectangle.y1 = (page_width - x2);
rectangle.x2 = (page_height - y2);
rectangle.y2 = (page_width - x1);
break;
case 270:
rectangle.x1 = page_width - y2;
rectangle.y1 = x1;
rectangle.x2 = page_width - y1;
rectangle.y2 = x2;
break;
}
/* reset points of the rectangle so that p1 is in the top-left corner
* and p2 is in the bottom right corner */
if(rectangle.x1 > rectangle.x2)
{
double d = rectangle.x1;
rectangle.x1 = rectangle.x2;
rectangle.x2 = d;
}
if(rectangle.y2 > rectangle.y1)
{
double d = rectangle.y1;
rectangle.y1 = rectangle.y2;
rectangle.y2 = d;
}
/* adapt y coordinates */
rectangle.y1 = page_height - rectangle.y1;
rectangle.y2 = page_height - rectangle.y2;
/* get selected text */
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
char* selected_text = poppler_page_get_selected_text(
Zathura.PDF.pages[Zathura.PDF.page_number]->page,SELECTION_STYLE,
&rectangle);
if(selected_text)
{
gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), selected_text, -1);
g_free(selected_text);
}
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
return TRUE;
}
gboolean
cb_view_motion_notify(GtkWidget* widget, GdkEventMotion* event, gpointer data)
{
return TRUE;
}
gboolean
cb_view_scrolled(GtkWidget* widget, GdkEventScroll* event, gpointer data)
{
int i;
for(i = 0; i < LENGTH(mouse_scroll_events); i++)
{
if(event->direction == mouse_scroll_events[i].direction)
{
mouse_scroll_events[i].function(&(mouse_scroll_events[i].argument));
return TRUE;
}
}
return FALSE;
}
gboolean
cb_watch_file(GFileMonitor* monitor, GFile* file, GFile* other_file, GFileMonitorEvent event, gpointer data)
{
if(event != G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT)
return FALSE;
sc_reload(NULL);
return TRUE;
}
/* main function */
int main(int argc, char* argv[])
{
/* embed */
Zathura.UI.embed = 0;
Zathura.Config.config_dir = 0;
Zathura.Config.data_dir = 0;
char* config_dir = 0;
char* data_dir = 0;
GOptionEntry entries[] =
{
{ "reparent", 'e', 0, G_OPTION_ARG_INT, &Zathura.UI.embed, "Reparents to window specified by xid", "xid" },
{ "config-dir", 'c', 0, G_OPTION_ARG_FILENAME, &config_dir, "Path to the config directory", "path" },
{ "data-dir", 'd', 0, G_OPTION_ARG_FILENAME, &data_dir, "Path to the data directory", "path" },
{ NULL }
};
GOptionContext* context = g_option_context_new(" [file] [password]");
g_option_context_add_main_entries(context, entries, NULL);
GError* error = NULL;
if(!g_option_context_parse(context, &argc, &argv, &error))
{
printf("Error parsing command line arguments: %s\n", error->message);
g_option_context_free(context);
g_error_free(error);
return 1;
}
g_option_context_free(context);
if (config_dir)
Zathura.Config.config_dir = g_strdup(config_dir);
if (data_dir)
Zathura.Config.data_dir = g_strdup(data_dir);
g_thread_init(NULL);
gdk_threads_init();
gtk_init(&argc, &argv);
init_zathura();
init_directories();
init_keylist();
read_configuration();
init_settings();
init_bookmarks();
init_look();
if(argc > 1)
{
char* password = (argc == 3) ? argv[2] : NULL;
if (strcmp(argv[1], "-") == 0)
open_stdin(password);
else
open_file(argv[1], password);
}
switch_view(Zathura.UI.document);
update_status();
gtk_widget_show_all(GTK_WIDGET(Zathura.UI.window));
gtk_widget_grab_focus(GTK_WIDGET(Zathura.UI.view));
if(!Zathura.Global.show_inputbar)
gtk_widget_hide(GTK_WIDGET(Zathura.UI.inputbar));
if(!Zathura.Global.show_statusbar)
gtk_widget_hide(GTK_WIDGET(Zathura.UI.statusbar));
gdk_threads_enter();
gtk_main();
gdk_threads_leave();
return 0;
}