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zathura/zathura.c
neldoreth 5180e4c2e0 Added support for markers 
It is now possible to add markers by using "m" followed by the id key
that should identify the marker. To jump back to the page that is
represented by the marker "'" is used. To toggle between the latest
positions the command "''" is used.
2010-01-30 23:48:36 +01:00

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/* See LICENSE file for license and copyright information */
#define _BSD_SOURCE || _XOPEN_SOURCE >= 500
#include <regex.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <libgen.h>
#include <pthread.h>
#include <poppler/glib/poppler.h>
#include <cairo.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
/* macros */
#define LENGTH(x) sizeof(x)/sizeof((x)[0])
/* enums */
enum { NEXT, PREVIOUS, LEFT, RIGHT, UP, DOWN,
BOTTOM, TOP, HIDE, NORMAL, HIGHLIGHT,
INSERT, VISUAL, DELETE_LAST_WORD, DEFAULT,
ERROR, WARNING, NEXT_GROUP, PREVIOUS_GROUP,
ZOOM_IN, ZOOM_OUT, ZOOM_ORIGINAL, ZOOM_SPECIFIC,
FORWARD, BACKWARD, ADJUST_BESTFIT, ADJUST_WIDTH,
CONTINUOUS, DELETE_LAST, ADD_MARKER, EVAL_MARKER };
/* 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
{
int mask;
int key;
void (*function)(Argument*);
int mode;
Argument argument;
} Shortcut;
typedef struct
{
int mask;
int key;
void (*function)(Argument*);
Argument argument;
} InputbarShortcut;
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;
typedef struct
{
PopplerPage *page;
pthread_mutex_t lock;
} Page;
typedef struct
{
char* name;
void* variable;
char type;
gboolean render;
char* description;
} Setting;
typedef struct
{
int id;
int page;
} Marker;
/* zathura */
struct
{
struct
{
GtkWindow *window;
GtkBox *box;
GtkBox *continuous;
GtkScrolledWindow *view;
GtkViewport *viewport;
GtkWidget *statusbar;
GtkBox *statusbar_entries;
GtkEntry *inputbar;
GtkWidget *index;
GtkWidget *information;
GtkWidget *drawing_area;
} 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 search_highlight;
PangoFontDescription *font;
} Style;
struct
{
GString *buffer;
GList *history;
int mode;
int viewing_mode;
gboolean reverse_video;
GtkLabel *status_text;
GtkLabel *status_buffer;
GtkLabel *status_state;
} Global;
struct
{
pthread_mutex_t scale_lock;
pthread_mutex_t rotate_lock;
pthread_mutex_t search_lock;
pthread_mutex_t viewport_lock;
} Lock;
struct
{
pthread_t search_thread;
gboolean search_thread_running;
} Thread;
struct
{
char* filename;
char* pages;
int scroll_percentage;
} State;
struct
{
Marker* markers;
int number_of_markers;
int last;
} Marker;
struct
{
PopplerDocument *document;
char *file;
Page **pages;
int page_number;
int number_of_pages;
int scale;
int rotate;
cairo_surface_t *surface;
} PDF;
} Zathura;
/* function declarations */
void init_zathura();
void add_marker(int);
void build_index(GtkTreeModel*, GtkTreeIter*, PopplerIndexIter*);
void change_mode(int);
void highlight_result(int, PopplerRectangle*);
void draw(int);
void eval_marker(int);
void notify(int, char*);
void update_status();
void recalcRectangle(int, PopplerRectangle*);
void setCompletionRowColor(GtkBox*, int, int);
void set_page(int);
void switch_view(GtkWidget*);
GtkEventBox* createCompletionRow(GtkBox*, char*, char*, gboolean);
/* 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_navigate(Argument*);
void sc_revert_video(Argument*);
void sc_rotate(Argument*);
void sc_scroll(Argument*);
void sc_search(Argument*);
void sc_toggle_index(Argument*);
void sc_toggle_inputbar(Argument*);
void sc_toggle_statusbar(Argument*);
void sc_quit(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_close(int, char**);
gboolean cmd_export(int, char**);
gboolean cmd_info(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**);
/* completion commands */
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(char*, Argument*);
/* callback declarations */
gboolean cb_destroy(GtkWidget*, gpointer);
gboolean cb_draw(GtkWidget*, GdkEventExpose*, gpointer);
gboolean cb_view_kb_pressed(GtkWidget*, GdkEventKey*, gpointer);
gboolean cb_index_selection_changed(GtkTreeSelection*, GtkWidget*);
gboolean cb_inputbar_kb_pressed(GtkWidget*, GdkEventKey*, gpointer);
gboolean cb_inputbar_activate(GtkEntry*, gpointer);
/* configuration */
#include "config.h"
/* function implementation */
void
init_zathura()
{
/* mutexes */
pthread_mutex_init(&(Zathura.Lock.scale_lock), NULL);
pthread_mutex_init(&(Zathura.Lock.rotate_lock), NULL);
pthread_mutex_init(&(Zathura.Lock.search_lock), NULL);
pthread_mutex_init(&(Zathura.Lock.viewport_lock), NULL);
/* look */
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(search_highlight, &(Zathura.Style.search_highlight));
Zathura.Style.font = pango_font_description_from_string(font);
/* other */
Zathura.Global.mode = NORMAL;
Zathura.Global.viewing_mode = NORMAL;
Zathura.Global.reverse_video = FALSE;
Zathura.State.filename = (char*) DEFAULT_TEXT;
Zathura.State.pages = "";
Zathura.State.scroll_percentage = 0;
Zathura.Marker.markers = NULL;
Zathura.Marker.number_of_markers = 0;
Zathura.Marker.last = -1;
/* UI */
Zathura.UI.window = GTK_WINDOW(gtk_window_new(GTK_WINDOW_TOPLEVEL));
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());
/* window */
gtk_window_set_title(Zathura.UI.window, "zathura");
GdkGeometry hints = { 1, 1 };
gtk_window_set_geometry_hints(Zathura.UI.window, NULL, &hints, GDK_HINT_MIN_SIZE);
gtk_window_set_default_size(Zathura.UI.window, DEFAULT_WIDTH, DEFAULT_HEIGHT);
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);
/* view */
g_signal_connect(G_OBJECT(Zathura.UI.view), "key-press-event", G_CALLBACK(cb_view_kb_pressed), 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);
#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);
#endif
/* drawing area */
gtk_widget_modify_bg(GTK_WIDGET(Zathura.UI.drawing_area), GTK_STATE_NORMAL, &(Zathura.Style.default_bg));
gtk_widget_show(Zathura.UI.drawing_area);
g_signal_connect(G_OBJECT(Zathura.UI.drawing_area), "expose-event", G_CALLBACK(cb_draw), NULL);
/* statusbar */
gtk_widget_modify_bg(GTK_WIDGET(Zathura.UI.statusbar), GTK_STATE_NORMAL, &(Zathura.Style.statusbar_bg));
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_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);
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);
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_signal_connect(G_OBJECT(Zathura.UI.inputbar), "key-press-event", G_CALLBACK(cb_inputbar_kb_pressed), NULL);
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;
gboolean expand;
gchar *markup;
action = poppler_index_iter_get_action(index_iter);
expand = poppler_index_iter_is_open(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;
pthread_mutex_lock(&(Zathura.Lock.scale_lock));
double scale = ((double) Zathura.PDF.scale / 100.0);
pthread_mutex_unlock(&(Zathura.Lock.scale_lock));
pthread_mutex_lock(&(Zathura.Lock.rotate_lock));
int rotate = Zathura.PDF.rotate;
pthread_mutex_unlock(&(Zathura.Lock.rotate_lock));
pthread_mutex_lock(&(Zathura.PDF.pages[page_id]->lock));
Page *current_page = Zathura.PDF.pages[page_id];
if(Zathura.PDF.surface)
cairo_surface_destroy(Zathura.PDF.surface);
Zathura.PDF.surface = NULL;
poppler_page_get_size(current_page->page, &page_width, &page_height);
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);
poppler_page_render(current_page->page, cairo);
cairo_restore(cairo);
cairo_destroy(cairo);
if(Zathura.Global.reverse_video)
{
unsigned char* image = cairo_image_surface_get_data(Zathura.PDF.surface);
int x, y, z = 0;
for(x = 0; x < cairo_image_surface_get_width(Zathura.PDF.surface); x++)
for(y = 0; y < cairo_image_surface_get_height(Zathura.PDF.surface) * 4; y++)
image[z++] ^= 0x00FFFFFF;
}
gtk_widget_set_size_request(Zathura.UI.drawing_area, width, height);
gtk_widget_queue_draw(Zathura.UI.drawing_area);
pthread_mutex_unlock(&(Zathura.PDF.pages[page_id]->lock));
}
void
change_mode(int mode)
{
char* mode_text;
switch(mode)
{
case INSERT:
mode_text = "-- INSERT --";
break;
case VISUAL:
mode_text = "-- VISUAL --";
break;
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
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)
{
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);
recalcRectangle(page_id, rectangle);
cairo_rectangle(cairo, rectangle->x1, rectangle->y1, (rectangle->x2 - rectangle->x1), (rectangle->y2 - rectangle->y1));
cairo_fill(cairo);
}
void notify(int level, 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);
}
void
update_status()
{
/* update text */
gtk_label_set_markup((GtkLabel*) Zathura.Global.status_text, Zathura.State.filename);
/* update state */
pthread_mutex_lock(&(Zathura.Lock.scale_lock));
char* zoom_level = (Zathura.PDF.scale != 0) ? g_strdup_printf("%d%%", Zathura.PDF.scale) : "";
pthread_mutex_unlock(&(Zathura.Lock.scale_lock));
char* status_text = g_strdup_printf("%s %d%% %s", zoom_level, Zathura.State.scroll_percentage, Zathura.State.pages);
gtk_label_set_markup((GtkLabel*) Zathura.Global.status_state, status_text);
}
void
recalcRectangle(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;
pthread_mutex_lock(&(Zathura.PDF.pages[page_id]->lock));
poppler_page_get_size(Zathura.PDF.pages[page_id]->page, &page_width, &page_height);
pthread_mutex_unlock(&(Zathura.PDF.pages[page_id]->lock));
pthread_mutex_lock(&(Zathura.Lock.scale_lock));
double scale = ((double) Zathura.PDF.scale / 100.0);
pthread_mutex_unlock(&(Zathura.Lock.scale_lock));
pthread_mutex_lock(&(Zathura.Lock.rotate_lock));
int rotate = Zathura.PDF.rotate;
pthread_mutex_unlock(&(Zathura.Lock.rotate_lock));
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*
createCompletionRow(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);
gtk_label_set_markup(show_command, g_markup_printf_escaped(FORMAT_COMMAND, command ? command : ""));
gtk_label_set_markup(show_description, g_markup_printf_escaped(FORMAT_DESCRIPTION, description ? description : ""));
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
setCompletionRowColor(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.State.pages = g_strdup_printf("[%i/%i]", page + 1, Zathura.PDF.number_of_pages);
Argument argument;
argument.n = TOP;
sc_scroll(&argument);
switch_view(Zathura.UI.drawing_area);
draw(page);
}
void
switch_view(GtkWidget* widget)
{
pthread_mutex_lock(&(Zathura.Lock.viewport_lock));
GtkWidget* child = gtk_bin_get_child(GTK_BIN(Zathura.UI.viewport));
if(child)
{
g_object_ref(child);
gtk_container_remove(GTK_CONTAINER(Zathura.UI.viewport), child);
}
pthread_mutex_unlock(&(Zathura.Lock.viewport_lock));
gtk_container_add(GTK_CONTAINER(Zathura.UI.viewport), GTK_WIDGET(widget));
}
/* thread implementation */
void*
search(void* parameter)
{
Zathura.Thread.search_thread_running = TRUE;
Argument* argument = (Argument*) parameter;
static char* search_item;
static int direction;
static int next_page = 0;
int page_counter;
GList* results;
GList* list;
if(argument->data)
search_item = g_strdup((char*) argument->data);
if(!Zathura.PDF.document || !search_item || !strlen(search_item))
{
Zathura.Thread.search_thread_running = FALSE;
pthread_exit(NULL);
}
/* search document */
if(argument->n)
direction = (argument->n == BACKWARD) ? -1 : 1;
for(page_counter = 1; page_counter <= Zathura.PDF.number_of_pages; page_counter++)
{
next_page = (Zathura.PDF.number_of_pages + Zathura.PDF.page_number +
page_counter * direction) % Zathura.PDF.number_of_pages;
PopplerPage* page = poppler_document_get_page(Zathura.PDF.document, next_page);
if(!page)
pthread_exit(NULL);
results = poppler_page_find_text(page, search_item);
if(results)
break;
}
/* draw results */
if(results)
{
for(list = results; list && list->data; list = g_list_next(list))
highlight_result(next_page, (PopplerRectangle*) list->data);
set_page(next_page);
}
else
{
printf("Nothing found for %s\n", search_item);
}
Zathura.Thread.search_thread_running = FALSE;
pthread_exit(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, "");
}
/* Set back to normal mode */
change_mode(NORMAL);
}
void
sc_adjust_window(Argument* argument)
{
if(!Zathura.PDF.document)
return;
GtkAdjustment* adjustment;
double view_size;
double page_width;
double page_height;
if(argument->n == ADJUST_WIDTH)
adjustment = gtk_scrolled_window_get_vadjustment(Zathura.UI.view);
else
adjustment = gtk_scrolled_window_get_hadjustment(Zathura.UI.view);
view_size = gtk_adjustment_get_page_size(adjustment);
pthread_mutex_lock(&(Zathura.PDF.pages[Zathura.PDF.page_number]->lock));
poppler_page_get_size(Zathura.PDF.pages[Zathura.PDF.page_number]->page, &page_width, &page_height);
pthread_mutex_unlock(&(Zathura.PDF.pages[Zathura.PDF.page_number]->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_WIDTH)
Zathura.PDF.scale = (view_size / page_height) * 100;
else
Zathura.PDF.scale = (view_size / page_width) * 100;
draw(Zathura.PDF.page_number);
}
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(argument->data)
{
notify(DEFAULT, argument->data);
gtk_widget_grab_focus(GTK_WIDGET(Zathura.UI.inputbar));
gtk_editable_set_position(GTK_EDITABLE(Zathura.UI.inputbar), -1);
}
}
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 = (new_page + number_of_pages + 1) % number_of_pages;
else if(argument->n == PREVIOUS)
new_page = (new_page + number_of_pages - 1) % number_of_pages;
set_page(new_page);
update_status();
}
void
sc_revert_video(Argument* argument)
{
Zathura.Global.reverse_video = !Zathura.Global.reverse_video;
draw(Zathura.PDF.page_number);
}
void
sc_rotate(Argument* argument)
{
pthread_mutex_lock(&(Zathura.Lock.rotate_lock));
Zathura.PDF.rotate = (Zathura.PDF.rotate + 90) % 360;
pthread_mutex_unlock(&(Zathura.Lock.rotate_lock));
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;
if( (argument->n == LEFT) || (argument->n == DOWN))
gtk_adjustment_set_value(adjustment, (value - SCROLL_STEP) < 0 ? 0 : (value - SCROLL_STEP));
else if (argument->n == TOP)
gtk_adjustment_set_value(adjustment, 0);
else if(argument->n == BOTTOM)
gtk_adjustment_set_value(adjustment, max);
else
gtk_adjustment_set_value(adjustment, (value + SCROLL_STEP) > max ? max : (value + SCROLL_STEP));
int percentage = 100 * (value / max);
percentage = (percentage < 0) ? 0 : ((percentage > 100) ? 100 : percentage);
if( (argument->n != LEFT) && (argument->n != RIGHT) )
Zathura.State.scroll_percentage = percentage;
update_status();
}
void
sc_search(Argument* argument)
{
pthread_mutex_lock(&(Zathura.Lock.search_lock));
if(Zathura.Thread.search_thread_running)
{
if(pthread_cancel(Zathura.Thread.search_thread) == 0)
pthread_join(Zathura.Thread.search_thread, NULL);
Zathura.Thread.search_thread_running = FALSE;
}
pthread_create(&(Zathura.Thread.search_thread), NULL, search, (gpointer) argument);
pthread_mutex_unlock(&(Zathura.Lock.search_lock));
}
void
sc_toggle_index(Argument* argument)
{
if(!Zathura.PDF.document)
return;
if(!Zathura.UI.index)
{
GtkWidget *treeview;
GtkTreeModel *model;
PopplerIndexIter *index_iter;
GtkCellRenderer *renderer;
GtkTreeSelection *selection;
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);
index_iter = poppler_index_iter_new(Zathura.PDF.document);
if(index_iter)
{
model = GTK_TREE_MODEL(gtk_tree_store_new(2, G_TYPE_STRING, G_TYPE_POINTER));
build_index(model, NULL, index_iter);
poppler_index_iter_free(index_iter);
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);
selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
g_signal_connect(G_OBJECT(selection), "changed", G_CALLBACK(cb_index_selection_changed),
NULL);
gtk_container_add(GTK_CONTAINER(Zathura.UI.index), treeview);
gtk_widget_show(GTK_WIDGET(treeview));
}
else
{
notify(WARNING, "This document does not contain any index");
Zathura.UI.index = NULL;
return;
}
}
static gboolean show = TRUE;
if(show)
{
gtk_widget_show(Zathura.UI.index);
switch_view(Zathura.UI.index);
}
else
{
switch_view(Zathura.UI.drawing_area);
}
show = !show;
}
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_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);
}
/* inputbar shortcut declarations */
void
isc_abort(Argument* argument)
{
Argument arg = { HIDE };
isc_completion(&arg);
notify(DEFAULT, "");
gtk_widget_grab_focus(GTK_WIDGET(Zathura.UI.view));
}
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 identifier = gtk_editable_get_chars(GTK_EDITABLE(Zathura.UI.inputbar), 0, 1)[0];
int length = strlen(input);
if(!length && !identifier)
return;
/* get current information*/
char* first_space = strstr(input, " ");
char* current_command;
char* current_parameter;
int current_command_length;
int current_parameter_length;
if(!first_space)
{
current_command = input;
current_command_length = length;
current_parameter = NULL;
current_parameter_length = 0;
}
else
{
int offset = abs(input - first_space);
current_command = g_strndup(input, offset);
current_command_length = strlen(current_command);
current_parameter = input + offset + 1;
current_parameter_length = strlen(current_parameter);
}
/* if the identifier does not match the command sign and
* the completion should not be hidden, leave this function */
if((identifier != ':') && (argument->n != HIDE))
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)
free(rows);
rows = NULL;
current_item = 0;
n_items = 0;
command_mode = TRUE;
if(argument->n == HIDE)
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( (previous_command) && (current_parameter) && !strcmp(current_command, previous_command) )
{
if(previous_id < 0 || !commands[previous_id].completion)
return;
Completion *result = commands[previous_id].completion(current_parameter);
if(!result || !result->groups)
return;
command_mode = FALSE;
CompletionGroup* group = NULL;
CompletionElement* element = NULL;
rows = malloc(sizeof(CompletionRow));
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) &&
(current_parameter_length <= strlen(element->value)) && !strncmp(current_parameter, element->value, current_parameter_length)
)
{
rows = realloc(rows, (n_items + 1) * sizeof(CompletionRow));
rows[n_items].command = element->value;
rows[n_items].description = element->description;
rows[n_items].command_id = previous_id;
rows[n_items].is_group = FALSE;
rows[n_items++].row = GTK_WIDGET(createCompletionRow(results, element->value, element->description, FALSE));
group_elements++;
}
}
if(group->value && group_elements > 0)
{
rows = realloc(rows, (n_items + 1) * sizeof(CompletionRow));
rows[n_items].command = 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(createCompletionRow(results, group->value, NULL, TRUE));
/* Swap group element with first element of the list */
CompletionRow temp = rows[n_items - group_elements];
gtk_box_reorder_child(results, rows[n_items].row, n_items - group_elements);
rows[n_items - group_elements] = rows[n_items];
rows[n_items] = temp;
n_items++;
}
}
/* clean up */
group = result->groups;
while(group)
{
element = group->elements;
while(element)
{
CompletionElement* ne = element->next;
free(element);
element = ne;
}
CompletionGroup *ng = group->next;
free(group);
group = ng;
}
}
/* create list based on commands */
else
{
int i = 0;
command_mode = TRUE;
rows = malloc(LENGTH(commands) * sizeof(CompletionRow));
for(i = 0; i < LENGTH(commands); i++)
{
int abbr_length = strlen(commands[i].abbr);
int cmd_length = strlen(commands[i].command);
/* 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 = commands[i].command;
rows[n_items].description = commands[i].description;
rows[n_items].command_id = i;
rows[n_items].is_group = FALSE;
rows[n_items++].row = GTK_WIDGET(createCompletionRow(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) )
{
setCompletionRowColor(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;
}
}
setCompletionRowColor(results, HIGHLIGHT, current_item);
if(command_mode)
{
char* cp = (current_parameter) ? g_strconcat(" ", current_parameter, NULL) : 0;
temp = g_strconcat(":", rows[current_item].command, cp, 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 = (command_mode) ? rows[current_item].command : current_command;
previous_parameter = (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;
}
}
void
isc_string_manipulation(Argument* argument)
{
if(argument->n == DELETE_LAST_WORD)
{
gchar *input = gtk_editable_get_chars(GTK_EDITABLE(Zathura.UI.inputbar), 0, -1);
int length = strlen(input);
int i = 0;
for(i = length; i > 0; i--)
{
if( (input[i] == ' ') ||
(input[i] == '/') )
{
if(i == (length - 1))
continue;
i = (input[i] == ' ') ? (i - 1) : i;
break;
}
}
notify(DEFAULT, g_strndup(input, i + 1));
gtk_editable_set_position(GTK_EDITABLE(Zathura.UI.inputbar), -1);
}
}
/* command implementation */
gboolean
cmd_close(int argc, char** argv)
{
if(!Zathura.PDF.document)
{
if(argc != -1)
notify(ERROR, "No file has been opened");
return FALSE;
}
/* 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);
pthread_mutex_destroy(&current_page->lock);
}
/* reset values */
free(Zathura.PDF.pages);
g_object_unref(Zathura.PDF.document);
Zathura.State.pages = "";
Zathura.State.filename = (char*) DEFAULT_TEXT;
Zathura.PDF.document = NULL;
Zathura.PDF.file = "";
Zathura.PDF.page_number = 0;
Zathura.PDF.number_of_pages = 0;
Zathura.PDF.scale = 0;
Zathura.PDF.rotate = 0;
/* 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();
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;
pthread_mutex_lock(&(Zathura.PDF.pages[page_number]->lock));
image_list = poppler_page_get_image_mapping(Zathura.PDF.pages[page_number]->page);
pthread_mutex_unlock(&(Zathura.PDF.pages[page_number]->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;
PopplerRectangle image_field;
gint image_id;
char* file;
char* filename;
image_mapping = (PopplerImageMapping*) images->data;
image_field = image_mapping->area;
image_id = image_mapping->image_id;
pthread_mutex_lock(&(Zathura.PDF.pages[page_number]->lock));
image = poppler_page_get_image(Zathura.PDF.pages[page_number]->page, image_id);
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] == '~')
{
file = malloc(((int) strlen(filename) + (int) strlen(argv[1])
+ (int) strlen(getenv("HOME")) - 1) * sizeof(char));
file = g_strdup_printf("%s%s%s", getenv("HOME"), argv[1] + 1, filename);
}
else
file = g_strdup_printf("%s%s", argv[1], filename);
cairo_surface_write_to_png(image, file);
pthread_mutex_unlock(&(Zathura.PDF.pages[page_number]->lock));
g_free(file);
}
}
}
else if(!strcmp(argv[0], "attachments"))
{
if(!poppler_document_has_attachments(Zathura.PDF.document))
{
notify(WARNING, "PDF file has no attachments");
return FALSE;
}
GList *attachment_list = poppler_document_get_attachments(Zathura.PDF.document);
GList *attachments;
char *file;
for(attachments = attachment_list; attachments; attachments = g_list_next(attachments))
{
PopplerAttachment *attachment = (PopplerAttachment*) attachments->data;
if(argv[1][0] == '~')
{
file = malloc(((int) strlen(attachment->name) + (int) strlen(argv[1])
+ (int) strlen(getenv("HOME")) - 1) * sizeof(char));
file = g_strdup_printf("%s%s%s", getenv("HOME"), argv[1] + 1, attachment->name);
}
else
file = g_strdup_printf("%s%s", argv[1], attachment->name);
poppler_attachment_save(attachment, file, NULL);
g_free(file);
}
}
return TRUE;
}
gboolean
cmd_info(int argc, char** argv)
{
if(!Zathura.PDF.document)
return TRUE;
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);
}
static gboolean show = TRUE;
if(show)
switch_view(Zathura.UI.information);
else
{
switch_view(Zathura.UI.drawing_area);
}
show = !show;
return FALSE;
}
gboolean
cmd_open(int argc, char** argv)
{
if(argc == 0 || strlen(argv[0]) == 0)
return FALSE;
/* get filename */
char* file = realpath(argv[0], NULL);
if(argv[0][0] == '~')
file = g_strdup_printf("%s%s", getenv("HOME"), argv[0] + 1);
/* check if file exists */
if(!g_file_test(file, G_FILE_TEST_IS_REGULAR))
{
notify(ERROR, "File does not exist");
return FALSE;
}
/* close old file */
cmd_close(-1, NULL);
/* open file */
Zathura.PDF.document = poppler_document_new_from_file(g_strdup_printf("file://%s", file),
(argc == 2) ? argv[1] : NULL, NULL);
if(!Zathura.PDF.document)
{
notify(ERROR, "Can not open file");
return FALSE;
}
Zathura.PDF.number_of_pages = poppler_document_get_n_pages(Zathura.PDF.document);
Zathura.PDF.file = file;
pthread_mutex_lock(&(Zathura.Lock.scale_lock));
Zathura.PDF.scale = 100;
pthread_mutex_unlock(&(Zathura.Lock.scale_lock));
pthread_mutex_lock(&(Zathura.Lock.rotate_lock));
Zathura.PDF.rotate = 0;
pthread_mutex_unlock(&(Zathura.Lock.rotate_lock));
Zathura.PDF.pages = malloc(Zathura.PDF.number_of_pages * sizeof(Page*));
Zathura.State.filename = file;
/* get pages */
int i;
for(i = 0; i < Zathura.PDF.number_of_pages; i++)
{
Zathura.PDF.pages[i] = malloc(sizeof(Page));
Zathura.PDF.pages[i]->page = poppler_document_get_page(Zathura.PDF.document, i);
pthread_mutex_init(&(Zathura.PDF.pages[i]->lock), NULL);
}
/* render pages */
draw(0);
set_page(0);
update_status();
return TRUE;
}
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) ? argv[1] : g_strdup_printf("%i", Zathura.PDF.number_of_pages);
char* print_command = g_strdup_printf(PRINT_COMMAND, printer, sites, Zathura.PDF.file);
system(print_command);
return TRUE;
}
gboolean
cmd_rotate(int argc, char** argv)
{
return TRUE;
}
gboolean
cmd_set(int argc, char** argv)
{
if(argc <= 0 || argc >= 3)
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 = TRUE;
else
*x = FALSE;
}
}
else if(settings[i].type == 'i')
{
if(argc != 2)
return FALSE;
int *x = (int*) (settings[i].variable);
if(argv[1])
*x = atoi(argv[1]);
}
else if(settings[i].type == 's')
{
if(argc != 2)
return FALSE;
char **x = (char**) settings[i].variable;
if(argv[1])
*x = argv[1];
}
else if(settings[i].type == 'c')
{
if(argc != 2)
return FALSE;
char *x = (char*) (settings[i].variable);
if(argv[1])
*x = argv[1][0];
}
/* render */
if(settings[i].render)
{
if(!Zathura.PDF.document)
return FALSE;
draw(Zathura.PDF.page_number);
}
}
}
return TRUE;
}
gboolean
cmd_quit(int argc, char** argv)
{
cb_destroy(NULL, NULL);
return TRUE;
}
gboolean
cmd_save(int argc, char** argv)
{
return TRUE;
}
/* completion command implementation */
Completion*
cc_export(char* input)
{
/* init completion group */
Completion *completion = malloc(sizeof(Completion));
CompletionGroup* group = malloc(sizeof(CompletionGroup));
group->value = NULL;
group->next = NULL;
group->elements = NULL;
completion->groups = group;
/* export images */
CompletionElement *export_images = malloc(sizeof(CompletionElement));
export_images->value = "images";
export_images->description = "Export images";
export_images->next = NULL;
/* export attachmants */
CompletionElement *export_attachments = malloc(sizeof(CompletionElement));
export_attachments->value = "attachments";
export_attachments->description = "Export attachments";
export_attachments->next = NULL;
/* connect */
group->elements = export_attachments;
export_attachments->next = export_images;
return completion;
}
Completion*
cc_open(char* input)
{
/* init completion group */
Completion *completion = malloc(sizeof(Completion));
CompletionGroup* group = malloc(sizeof(CompletionGroup));
group->value = NULL;
group->next = NULL;
group->elements = NULL;
completion->groups = group;
/* read dir */
char* path = "/";
char* file = "";
int file_length = 0;
/* ~ */
if(input[0] == '~')
{
char *file = g_strdup_printf(":open %s/%s", getenv("HOME"), input + 1);
gtk_entry_set_text(Zathura.UI.inputbar, file);
gtk_editable_set_position(GTK_EDITABLE(Zathura.UI.inputbar), -1);
return NULL;
}
/* parse input string */
if(input && strlen(input) > 0)
{
char* path_temp = dirname(strdup(input));
char* file_temp = basename(strdup(input));
char last_char = input[strlen(input) - 1];
if( !strcmp(path_temp, "/") && !strcmp(file_temp, "/") )
file = "";
else if( !strcmp(path_temp, "/") && strcmp(file_temp, "/") && last_char != '/')
file = file_temp;
else if( !strcmp(path_temp, "/") && strcmp(file_temp, "/") && last_char == '/')
path = g_strdup_printf("/%s/", file_temp);
else if(last_char == '/')
path = input;
else
{
path = g_strdup_printf("%s/", path_temp);
file = file_temp;
}
}
file_length = strlen(file);
/* open directory */
GDir* dir = g_dir_open(path, 0, NULL);
if(!dir)
return NULL;
/* create element list */
CompletionElement *last_element = NULL;
char* name = NULL;
int element_counter = 0;
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) )
{
CompletionElement* el = malloc(sizeof(CompletionElement));
el->value = g_strdup_printf("%s%s", path, d_name);
el->description = NULL;
el->next = NULL;
if(element_counter++ != 0)
last_element->next = el;
else
group->elements = el;
last_element = el;
}
}
g_dir_close(dir);
return completion;
}
Completion*
cc_print(char* input)
{
/* init completion group */
Completion *completion = malloc(sizeof(Completion));
CompletionGroup* group = malloc(sizeof(CompletionGroup));
group->value = NULL;
group->next = NULL;
group->elements = NULL;
completion->groups = group;
CompletionElement *last_element = NULL;
int element_counter = 0;
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)
return NULL;
while((current_char = fgetc(fp)) != EOF)
{
if(!current_line)
current_line = malloc(sizeof(char));
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)) )
{
CompletionElement* el = malloc(sizeof(CompletionElement));
el->value = g_strdup(current_line);
el->description = NULL;
el->next = NULL;
if(element_counter++ != 0)
last_element->next = el;
else
group->elements = el;
last_element = el;
}
free(current_line);
current_line = NULL;
count = 0;
}
}
pclose(fp);
return completion;
}
Completion*
cc_set(char* input)
{
/* init completion group */
Completion *completion = malloc(sizeof(Completion));
CompletionGroup* group = malloc(sizeof(CompletionGroup));
group->value = NULL;
group->next = NULL;
group->elements = NULL;
completion->groups = group;
CompletionElement *last_element = NULL;
int element_counter = 0;
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) )
{
CompletionElement* el = malloc(sizeof(CompletionElement));
el->value = settings[i].name;
el->description = settings[i].description;
el->next = NULL;
if(element_counter++ != 0)
last_element->next = el;
else
group->elements = el;
last_element = el;
}
}
return completion;
}
/* buffer command implementation */
void
bcmd_goto(char* buffer, Argument* argument)
{
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
set_page(atoi(g_strndup(buffer, b_length - 1)) - 1);
update_status();
}
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)
{
pthread_mutex_lock(&(Zathura.Lock.scale_lock));
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;
pthread_mutex_unlock(&(Zathura.Lock.scale_lock));
draw(Zathura.PDF.page_number);
update_status();
}
/* special command implementation */
gboolean
scmd_search(char* input, Argument* argument)
{
if(!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)
cmd_close(0, NULL);
/* mutexes */
pthread_mutex_destroy(&(Zathura.Lock.scale_lock));
pthread_mutex_destroy(&(Zathura.Lock.rotate_lock));
pthread_mutex_destroy(&(Zathura.Lock.search_lock));
pthread_mutex_destroy(&(Zathura.Lock.viewport_lock));
gtk_main_quit();
return TRUE;
}
gboolean cb_draw(GtkWidget* widget, GdkEventExpose* expose, gpointer data)
{
/*intptr_t t = (intptr_t) data;*/
int page_id = Zathura.PDF.page_number; /* (int) t; */
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;
pthread_mutex_lock(&(Zathura.Lock.scale_lock));
double scale = ((double) Zathura.PDF.scale / 100.0);
pthread_mutex_unlock(&(Zathura.Lock.scale_lock));
pthread_mutex_lock(&(Zathura.PDF.pages[page_id]->lock));
poppler_page_get_size(Zathura.PDF.pages[page_id]->page, &page_width, &page_height);
pthread_mutex_unlock(&(Zathura.PDF.pages[page_id]->lock));
pthread_mutex_lock(&(Zathura.Lock.rotate_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;
}
pthread_mutex_unlock(&(Zathura.Lock.rotate_lock));
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;
cairo_set_source_surface(cairo, Zathura.PDF.surface, offset_x, offset_y);
cairo_paint(cairo);
cairo_destroy(cairo);
return TRUE;
}
gboolean
cb_view_kb_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
int i;
for(i = 0; i < LENGTH(shortcuts); i++)
{
if (event->keyval == shortcuts[i].key &&
(((event->state & shortcuts[i].mask) == shortcuts[i].mask) || shortcuts[i].mask == 0)
&& (Zathura.Global.mode == shortcuts[i].mode || shortcuts[i].mode == -1))
{
shortcuts[i].function(&(shortcuts[i].argument));
return TRUE;
}
}
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 <= 0x7A))
{
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)
{
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_index_selection_changed(GtkTreeSelection* treeselection, GtkWidget* action_view)
{
GtkTreeModel *model;
GtkTreeIter iter;
if(gtk_tree_selection_get_selected(treeselection, &model, &iter))
{
PopplerAction* action;
PopplerDest* destination;
gtk_tree_model_get(model, &iter, 1, &action, -1);
if(action->type == POPPLER_ACTION_GOTO_DEST)
{
destination = action->goto_dest.dest;
if(destination->type == POPPLER_DEST_NAMED)
{
destination = poppler_document_find_dest(Zathura.PDF.document, destination->named_dest);
if(destination)
{
set_page(destination->page_num - 1);
update_status();
}
}
}
}
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 = gtk_editable_get_chars(GTK_EDITABLE(Zathura.UI.inputbar), 0, 1)[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);
special_commands[i].function(input, &(special_commands[i].argument));
return FALSE;
}
}
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)
{
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)
notify(ERROR, "Unknown command.");
Argument arg = { HIDE };
isc_completion(&arg);
gtk_widget_grab_focus(GTK_WIDGET(Zathura.UI.view));
return TRUE;
}
/* main function */
int main(int argc, char* argv[])
{
gtk_init(&argc, &argv);
init_zathura();
update_status();
if(argc >= 2)
cmd_open(2, &argv[1]);
gtk_widget_show_all(GTK_WIDGET(Zathura.UI.window));
Argument arg;
arg.n = ADJUST_OPEN;
sc_adjust_window(&arg);
gtk_main();
return 0;
}
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