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Moritz Lipp 2009-08-11 23:18:50 +02:00
commit 0eeb457bea
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28
Makefile Normal file
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LIBS = gtk+-2.0 poppler poppler-glib
FLAGS = `pkg-config --cflags --libs $(LIBS)`
SOURCE = zathura.c
TARGET = zathura
all: $(TARGET)
$(TARGET): zathura.c config.h
gcc $(FLAGS) -Wall -o $(TARGET) $(SOURCE)
clean:
rm -f $(TARGET)
debug: $(TARGET)
gcc $(FLAGS) -Wall -o $(TARGET) $(SOURCE) -g
valgrind: debug $(TARGET)
valgrind --tool=memcheck --leak-check=yes --show-reachable=yes ./${TARGET}
install: all
@echo installing executeable to /usr/bin
@mkdir -p /usr/bin
@cp -f ${TARGET} /usr/bin
@chmod 755 /usr/bin/${TARGET}
uninstall:
@echo removing executeable from /usr/bin
@rm -f /usr/bin/${TARGET}

34
README Normal file
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zathura - pdf viewer
--------------------
zathura is an pdf viewer based on the poppler pdf rendering library
Requirements
------------
poppler (0.10.7-2)
poppler-glib (0.10.7-1)
gtk2 (2.16.5-1)
Configuration
-------------
You can modify some parts of zathura by editing the config.h file
Installation
------------
Customise config.h according to your wishes and run the following
command to build and install zathura:
make install
Uninstall:
----------
To delete zathura from your system, just type:
make uninstall
Use zathura
-----------
Just run:
zathura <file>

31
config.h Normal file
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static const float zoom_step = 0.1;
static const float scroll_step = 40;
static const char font[] = "monospace normal 9";
static const char default_bgcolor[] = "#141414";
static const char default_fgcolor[] = "#CCCCCC";
static const char inputbar_bgcolor[] = "#141414";
static const char inputbar_fgcolor[] = "#9FBC00";
static const char inputbar_wn_fgcolor[] = "#CCCCCC";
static const char inputbar_wn_bgcolor[] = "#B82121";
static const char completion_fgcolor[] = "#CCCCCC";
static const char completion_bgcolor[] = "#232323";
static const char completion_hl_fgcolor[] = "#232323";
static const char completion_hl_bgcolor[] = "#9FBC00";
Shortcut shortcuts[] = {
// mask, key, function, argument
{0, GDK_colon, sc_focus_inputbar, { .data = ":" } },
{0, GDK_o, sc_focus_inputbar, { .data = ":open " } },
{GDK_CONTROL_MASK, GDK_q, sc_quit, {0} },
};
Command commands[] = {
// command, function
{"o", cmd_open},
{"open", cmd_open},
{"q", cmd_quit},
{"quit", cmd_quit},
};

435
zathura.c Normal file
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#include <stdlib.h>
#include <string.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
/* macros */
#define LENGTH(x) sizeof(x)/sizeof((x)[0])
/* enums */
enum { NEXT, PREVIOUS, HIDE, WARNING, DEFAULT };
struct
{
GtkWindow *window;
GtkBox *box;
GtkScrolledWindow *view;
GtkEntry *inputbar;
struct
{
GdkColor default_fg;
GdkColor default_bg;
GdkColor inputbar_fg;
GdkColor inputbar_bg;
GdkColor inputbar_wn_fg;
GdkColor inputbar_wn_bg;
GdkColor completion_fg;
GdkColor completion_bg;
GdkColor completion_hl_fg;
GdkColor completion_hl_bg;
PangoFontDescription *font;
} Settings;
} Zathura;
typedef struct
{
int n;
void *data;
} Argument;
typedef struct
{
int mask;
int key;
void (*function)(Argument*);
Argument argument;
} Shortcut;
typedef struct
{
char *command;
void (*function)(int, char**);
} Command;
/* function declarations */
void init();
void update_title();
void update_status(int, char*);
gboolean complete(Argument*);
/* shortcut declarations */
void sc_focus_inputbar(Argument*);
void sc_quit(Argument*);
/* command declarations */
void cmd_open(int, char**);
void cmd_quit(int, char**);
/* callbacks declarations */
void cb_destroy(GtkWidget*, gpointer);
void cb_inputbar_activate(GtkEntry*, gpointer);
void cb_inputbar_button_pressed(GtkWidget*, GdkEventButton*, gpointer);
gboolean cb_inputbar_key_pressed(GtkEntry*, GdkEventKey*, gpointer);
gboolean cb_inputbar_key_released(GtkEntry*, GdkEventKey*, gpointer);
gboolean cb_view_key_pressed(GtkWidget*, GdkEventKey*, gpointer);
/* configuration */
#include "config.h"
/* function implementations */
void
init()
{
/* settings */
gdk_color_parse(default_fgcolor, &(Zathura.Settings.default_fg));
gdk_color_parse(default_bgcolor, &(Zathura.Settings.default_bg));
gdk_color_parse(inputbar_fgcolor, &(Zathura.Settings.inputbar_fg));
gdk_color_parse(inputbar_bgcolor, &(Zathura.Settings.inputbar_bg));
gdk_color_parse(inputbar_wn_fgcolor, &(Zathura.Settings.inputbar_wn_fg));
gdk_color_parse(inputbar_wn_bgcolor, &(Zathura.Settings.inputbar_wn_bg));
gdk_color_parse(completion_fgcolor, &(Zathura.Settings.completion_fg));
gdk_color_parse(completion_bgcolor, &(Zathura.Settings.completion_bg));
gdk_color_parse(completion_hl_fgcolor, &(Zathura.Settings.completion_hl_fg));
gdk_color_parse(completion_hl_bgcolor, &(Zathura.Settings.completion_hl_bg));
Zathura.Settings.font = pango_font_description_from_string(font);
/* variables */
Zathura.window = GTK_WINDOW(gtk_window_new(GTK_WINDOW_TOPLEVEL));
Zathura.box = GTK_BOX(gtk_vbox_new(FALSE, 0));
Zathura.view = GTK_SCROLLED_WINDOW(gtk_scrolled_window_new(NULL, NULL));
Zathura.inputbar = GTK_ENTRY(gtk_entry_new());
/* window */
gtk_window_set_title(Zathura.window, "title");
g_signal_connect(G_OBJECT(Zathura.window), "destroy", G_CALLBACK(cb_destroy), NULL);
/* box */
gtk_box_set_spacing(Zathura.box, 0);
gtk_container_add(GTK_CONTAINER(Zathura.window), GTK_WIDGET(Zathura.box));
/* view */
g_signal_connect(G_OBJECT(Zathura.view), "key-press-event", G_CALLBACK(cb_view_key_pressed), NULL);
#ifdef SHOW_SCROLLBARS
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(Zathura.view), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
#else
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(Zathura.view), GTK_POLICY_NEVER, GTK_POLICY_NEVER);
#endif
/* inputbar */
gtk_entry_set_inner_border(Zathura.inputbar, NULL);
gtk_entry_set_has_frame(Zathura.inputbar, FALSE);
gtk_entry_set_editable(Zathura.inputbar,TRUE);
g_signal_connect(G_OBJECT(Zathura.inputbar), "activate", G_CALLBACK(cb_inputbar_activate), NULL);
g_signal_connect(G_OBJECT(Zathura.inputbar), "button-press-event", G_CALLBACK(cb_inputbar_button_pressed), NULL);
g_signal_connect(G_OBJECT(Zathura.inputbar), "key-press-event", G_CALLBACK(cb_inputbar_key_pressed), NULL);
g_signal_connect(G_OBJECT(Zathura.inputbar), "key-release-event", G_CALLBACK(cb_inputbar_key_released), NULL);
/* packing */
gtk_box_pack_start(Zathura.box, GTK_WIDGET(Zathura.view), TRUE, TRUE, 0);
gtk_box_pack_end(Zathura.box, GTK_WIDGET(Zathura.inputbar), FALSE, FALSE, 0);
/* visuals */
gtk_widget_modify_base(GTK_WIDGET(Zathura.inputbar), GTK_STATE_NORMAL, &(Zathura.Settings.inputbar_bg));
gtk_widget_modify_text(GTK_WIDGET(Zathura.inputbar), GTK_STATE_NORMAL, &(Zathura.Settings.inputbar_fg));
gtk_widget_modify_font(GTK_WIDGET(Zathura.inputbar), Zathura.Settings.font);
}
void
update_title()
{
}
void
update_status(int level, char* text)
{
if(level == WARNING)
{
gtk_widget_modify_text(GTK_WIDGET(Zathura.inputbar), GTK_STATE_NORMAL, &(Zathura.Settings.inputbar_wn_fg));
gtk_widget_modify_base(GTK_WIDGET(Zathura.inputbar), GTK_STATE_NORMAL, &(Zathura.Settings.inputbar_wn_bg));
}
else if(level == DEFAULT)
{
gtk_widget_modify_text(GTK_WIDGET(Zathura.inputbar), GTK_STATE_NORMAL, &(Zathura.Settings.inputbar_fg));
gtk_widget_modify_base(GTK_WIDGET(Zathura.inputbar), GTK_STATE_NORMAL, &(Zathura.Settings.inputbar_bg));
}
gtk_entry_set_text(Zathura.inputbar, text);
}
gboolean
complete(Argument* argument)
{
static GtkBox *results;
static GtkWidget **result_rows;
static char **command_names;
static int n = 0;
static int current = -1;
char *command = (char*) gtk_entry_get_text(Zathura.inputbar);
int command_length = strlen(command);
int length = 0;
int i = 0;
if( (command_length == 0 || command[0] != ':') && argument->n != HIDE )
return TRUE;
if(argument->n != HIDE && n > 0 && results && current != -1 && !strcmp(&command[1], command_names[current]) )
{
GtkEventBox *current_box = (GtkEventBox*) g_list_nth_data(gtk_container_get_children(GTK_CONTAINER(results)), current);
GtkLabel *current_label = (GtkLabel*) g_list_nth_data(gtk_container_get_children(GTK_CONTAINER(current_box)), 0);
gtk_widget_modify_fg(GTK_WIDGET(current_label), GTK_STATE_NORMAL, &(Zathura.Settings.completion_fg));
gtk_widget_modify_bg(GTK_WIDGET(current_box), GTK_STATE_NORMAL, &(Zathura.Settings.completion_bg));
if(argument->n == NEXT)
current = (current + n + 1) % n;
else if (argument->n == PREVIOUS)
current = (current + n - 1) % n;
current_box = (GtkEventBox*) g_list_nth_data(gtk_container_get_children(GTK_CONTAINER(results)), current);
current_label = (GtkLabel*) g_list_nth_data(gtk_container_get_children(GTK_CONTAINER(current_box)), 0);
gtk_widget_modify_fg(GTK_WIDGET(current_label), GTK_STATE_NORMAL, &(Zathura.Settings.completion_hl_fg));
gtk_widget_modify_bg(GTK_WIDGET(current_box), GTK_STATE_NORMAL, &(Zathura.Settings.completion_hl_bg));
char* temp_string = g_strconcat(":", command_names[current], NULL);
gtk_entry_set_text(GTK_ENTRY(Zathura.inputbar), temp_string);
gtk_editable_set_position(GTK_EDITABLE(Zathura.inputbar), -1);
g_free(temp_string);
}
else
{
if(results != NULL)
gtk_widget_destroy(GTK_WIDGET(results));
free(result_rows);
free(command_names);
n = 0;
current = -1;
results = NULL;
result_rows = NULL;
command_names = NULL;
if(argument->n == HIDE)
return TRUE;
}
if(!results)
{
results = GTK_BOX(gtk_vbox_new(FALSE, 0));
result_rows = malloc(LENGTH(commands) * sizeof(GtkWidget*));
command_names = malloc(LENGTH(commands) * sizeof(char*));
for(i = 0; i < LENGTH(commands); i++)
{
length = strlen(commands[i].command);
if( (command_length - 1 <= length) && !strncmp(&command[1], commands[i].command, command_length - 1) )
{
GtkLabel *show_command = GTK_LABEL(gtk_label_new(commands[i].command));
GtkEventBox *event_box = GTK_EVENT_BOX(gtk_event_box_new());
gtk_misc_set_alignment(GTK_MISC(show_command), 0, 0);
gtk_widget_modify_fg( GTK_WIDGET(show_command), GTK_STATE_NORMAL, &(Zathura.Settings.completion_fg));
gtk_widget_modify_bg( GTK_WIDGET(event_box), GTK_STATE_NORMAL, &(Zathura.Settings.completion_bg));
gtk_widget_modify_font(GTK_WIDGET(show_command), Zathura.Settings.font);
gtk_container_add(GTK_CONTAINER(event_box), GTK_WIDGET(show_command));
gtk_box_pack_start(results, GTK_WIDGET(event_box), FALSE, FALSE, 0);
command_names[n] = commands[i].command;
result_rows[n++] = GTK_WIDGET(event_box);
}
}
command_names = realloc(command_names, n * sizeof(char*));
result_rows = realloc(result_rows, n * sizeof(GtkWidget*));
gtk_box_pack_start(Zathura.box, GTK_WIDGET(results), FALSE, FALSE, 0);
gtk_widget_show_all(GTK_WIDGET(Zathura.window));
current = (argument->n == NEXT) ? 0 : (n - 1);
}
if(current != -1 && n > 0)
{
GtkEventBox *current_box = (GtkEventBox*) g_list_nth_data(gtk_container_get_children(GTK_CONTAINER(results)), current);
GtkLabel *current_label = (GtkLabel*) g_list_nth_data(gtk_container_get_children(GTK_CONTAINER(current_box)), 0);
gtk_widget_modify_fg(GTK_WIDGET(current_label), GTK_STATE_NORMAL, &(Zathura.Settings.completion_hl_fg));
gtk_widget_modify_bg(GTK_WIDGET(current_box), GTK_STATE_NORMAL, &(Zathura.Settings.completion_hl_bg));
char* temp_string = g_strconcat(":", command_names[current], NULL);
gtk_entry_set_text(GTK_ENTRY(Zathura.inputbar), temp_string);
gtk_editable_set_position(GTK_EDITABLE(Zathura.inputbar), -1);
g_free(temp_string);
}
return TRUE;
}
/* shortcut implementations */
void
sc_focus_inputbar(Argument *argument)
{
gtk_entry_set_text(Zathura.inputbar, argument->data);
gtk_widget_modify_text(GTK_WIDGET(Zathura.inputbar), GTK_STATE_NORMAL, &(Zathura.Settings.inputbar_fg));
gtk_widget_modify_base(GTK_WIDGET(Zathura.inputbar), GTK_STATE_NORMAL, &(Zathura.Settings.inputbar_bg));
gtk_widget_grab_focus(GTK_WIDGET(Zathura.inputbar));
gtk_editable_set_position(GTK_EDITABLE(Zathura.inputbar), -1);
}
void
sc_quit(Argument *argument)
{
cb_destroy(NULL, NULL);
}
/* command implementations */
void
cmd_open(int argc, char** argv)
{
}
void
cmd_quit(int argc, char** argv)
{
cb_destroy(NULL, NULL);
}
/* callback implementations */
void
cb_destroy(GtkWidget *widget, gpointer data)
{
gtk_main_quit();
}
gboolean
cb_view_key_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 == 0))
{
shortcuts[i].function(&(shortcuts[i].argument));
return TRUE;
}
}
return FALSE;
}
void
cb_inputbar_activate(GtkEntry* entry, gpointer data)
{
gchar **tokens = g_strsplit(gtk_entry_get_text(entry), " ", gtk_entry_get_text_length(entry));
gchar *command = tokens[0] + 1;
int length = g_strv_length(tokens);
int i = 0;
gboolean success = FALSE;
Argument argument;
argument.n = HIDE;
complete(&argument);
if(length < 1)
return;
// special command
if(*tokens[0] == '/')
return;
// other
for(i = 0; i < LENGTH(commands); i++)
{
if(g_strcmp0(command, commands[i].command) == 0)
{
commands[i].function(length - 1, tokens + 1);
success = TRUE;
break;
}
}
if(!success)
update_status(WARNING, "Not a valid command");
else
update_status(DEFAULT, "");
g_strfreev(tokens);
gtk_widget_grab_focus(GTK_WIDGET(Zathura.view));
}
void
cb_inputbar_button_pressed(GtkWidget* widget, GdkEventButton* event, gpointer data)
{
if(event->type == GDK_BUTTON_PRESS)
{
gtk_widget_modify_text(GTK_WIDGET(Zathura.inputbar), GTK_STATE_NORMAL, &(Zathura.Settings.inputbar_fg));
gtk_widget_modify_base(GTK_WIDGET(Zathura.inputbar), GTK_STATE_NORMAL, &(Zathura.Settings.inputbar_bg));
gtk_editable_set_position(GTK_EDITABLE(Zathura.inputbar), -1);
gtk_widget_grab_focus(GTK_WIDGET(Zathura.inputbar));
}
}
gboolean
cb_inputbar_key_pressed(GtkEntry* entry, GdkEventKey *event, gpointer data)
{
Argument argument;
switch(event->keyval)
{
case GDK_Escape:
gtk_widget_grab_focus(GTK_WIDGET(Zathura.view));
update_status(DEFAULT, "");
argument.n = HIDE;
return complete(&argument);
case GDK_Tab:
argument.n = NEXT;
return complete(&argument);
case GDK_ISO_Left_Tab:
argument.n = PREVIOUS;
return complete(&argument);
}
return FALSE;
}
gboolean
cb_inputbar_key_released(GtkEntry *entry, GdkEventKey *event, gpointer data)
{
int length = gtk_entry_get_text_length(entry);
Argument argument;
if(!length)
{
argument.n = HIDE;
complete(&argument);
}
return FALSE;
}
/* main function */
int
main(int argc, char* argv[])
{
gtk_init(&argc, &argv);
init();
gtk_widget_show_all(GTK_WIDGET(Zathura.window));
gtk_main();
return 0;
}