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/* 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, 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
{
gdouble x;
gdouble y;
} PagePosition;
typedef struct
{
int id;
int page;
PagePosition position;
} Marker;
typedef struct
{
char* id;
int page;
int scale;
PagePosition position;
} 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 write_bookmarks_file(void);
void free_bookmarks(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*);
void save_page_position(PagePosition*, int);
void restore_page_position(PagePosition*);
void position_bookmark(Bookmark*, const gchar*, const gchar*);
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_paginate(Argument*);
void sc_recolor(Argument*);
void sc_reload(Argument*);
void sc_rotate(Argument*);
void sc_flip(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;
save_page_position(&Zathura.Marker.markers[i].position, 0);
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;
save_page_position(&Zathura.Marker.markers[marker_index].position, 0);
}
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);
}
write_bookmarks_file();
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);
restore_page_position(&Zathura.Marker.markers[i].position);
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);
Bookmark* bmarks;
for(i = 0; i < number_of_keys; i++)
{
if(!is_reserved_bm_name(keys[i]))
{
int next = Zathura.Bookmarks.number_of_bookmarks;
Zathura.Bookmarks.bookmarks = realloc(Zathura.Bookmarks.bookmarks,
(next + 1) * sizeof(Bookmark));
bmarks = Zathura.Bookmarks.bookmarks;
bmarks[next].id = g_strdup(keys[i]);
bmarks[next].page =
g_key_file_get_integer(Zathura.Bookmarks.data, file, keys[i], NULL);
position_bookmark(&bmarks[next], file, keys[i]);
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;
}
void
position_bookmark(Bookmark* bmark, const gchar* file, const gchar* key)
{
bmark->scale = Zathura.PDF.scale;
bmark->position.x = 0;
bmark->position.y = 0;
char* section = g_strdup_printf("%s#positions", file);
gsize length = 3;
if(g_key_file_has_group(Zathura.Bookmarks.data, section))
{
gint* location = g_key_file_get_integer_list(Zathura.Bookmarks.data,
section, key, &length, NULL);
if(location)
{
bmark->scale = location[0];
bmark->position.x = location[1];
bmark->position.y = location[2];
g_free(location);
}
}
g_free(section);
}
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;
}
}
close(handle);
if (count != 0)
{
gchar* message = g_strdup_printf("Can not read from stdin.");
notify(ERROR, message);
g_free(message);
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 (escherdragon fork)\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
write_bookmarks_file(void)
{
if (!Zathura.Bookmarks.data)
/* nothing to do */
return;
/* save bookmarks */
Bookmark bm;
gsize location_length = 3;
gint* location = malloc(sizeof(gint) * location_length);
char* master_section = g_strdup(Zathura.PDF.file);
char* positions_section = g_strdup_printf("%s#positions", master_section);
for(int i = 0; i < Zathura.Bookmarks.number_of_bookmarks; i++)
{
bm = Zathura.Bookmarks.bookmarks[i];
g_key_file_set_integer(Zathura.Bookmarks.data, master_section,
bm.id, bm.page);
location[0] = bm.scale;
location[1] = bm.position.x;
location[2] = bm.position.y;
g_key_file_set_integer_list(Zathura.Bookmarks.data, positions_section,
bm.id, location, location_length);
}
g_free(positions_section);
g_free(master_section);
free(location);
/* 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);
}
void
free_bookmarks(void)
{
for(int i = 0; i < Zathura.Bookmarks.number_of_bookmarks; i++)
{
g_free(Zathura.Bookmarks.bookmarks[i].id);
}
free(Zathura.Bookmarks.bookmarks);
Zathura.Bookmarks.bookmarks = NULL;
Zathura.Bookmarks.number_of_bookmarks = 0;
}
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;
PagePosition point = { 0, 0 };
if(Zathura.Global.mode == FULLSCREEN)
save_page_position(&point, 0);
switch_view(Zathura.UI.document);
draw(page);
restore_page_position(&point);
}
void
save_page_position(PagePosition* position, int flip)
{
GtkAdjustment* adjustment;
adjustment = gtk_scrolled_window_get_hadjustment(Zathura.UI.view);
position->x = gtk_adjustment_get_value(adjustment);
if(flip) {
gdouble page = gtk_adjustment_get_page_size(adjustment);
gdouble max = gtk_adjustment_get_upper(adjustment) - page;
position->x = max - position->x;
}
adjustment = gtk_scrolled_window_get_vadjustment(Zathura.UI.view);
position->y = gtk_adjustment_get_value(adjustment);
if(flip) {
gdouble page = gtk_adjustment_get_page_size(adjustment);
gdouble max = gtk_adjustment_get_upper(adjustment) - page;
position->y = max - position->y;
}
}
void
restore_page_position(PagePosition* position)
{
GtkAdjustment* adjustment;
if(position->x > 0) {
adjustment = gtk_scrolled_window_get_hadjustment(Zathura.UI.view);
gtk_adjustment_set_value(adjustment, position->x);
}
else {
Argument argument;
argument.n = TOP;
sc_scroll(&argument);
}
if(position->y > 0) {
adjustment = gtk_scrolled_window_get_vadjustment(Zathura.UI.view);
gtk_adjustment_set_value(adjustment, position->y);
}
}
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;
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));
int 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_paginate(Argument* argument)
{
PagePosition point = { 0, 0 };
save_page_position(&point, 0);
sc_navigate(argument);
restore_page_position(&point);
}
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_flip(Argument* argument)
{
PagePosition position = { 0, 0 };
save_page_position(&position, 1);
sc_rotate(argument);
sc_rotate(argument);
restore_page_position(&position);
}
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 page = gtk_adjustment_get_page_increment(adjustment);
gdouble max = gtk_adjustment_get_upper(adjustment) - view_size;
gdouble new_value = value;
gboolean static ss = FALSE;
if( argument->n == PREVIOUS && 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 == NEXT && value == max )
{
Argument arg;
arg.n = NEXT;
ss = TRUE;
sc_navigate(&arg);
return;
}
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 if(argument->n == PREVIOUS)
new_value = (value - page) < 0 ? 0 : (value - page);
else if(argument->n == NEXT)
new_value = (value + page) > max ? max : (value + page);
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)
{
int mode = 0;
if(Zathura.Global.mode != FULLSCREEN)
{
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);
mode = FULLSCREEN;
}
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));
mode = NORMAL;
}
isc_abort(NULL);
Zathura.Global.mode = mode;
}
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(strlen(id->str) == 0)
{
notify(WARNING, "Can't set bookmark: bookmark name is empty");
g_string_free(id, TRUE);
return FALSE;
}
if(is_reserved_bm_name(id->str))
{
notify(WARNING, "Can't set bookmark: reserved bookmark name");
g_string_free(id, TRUE);
return FALSE;
}
/* reload the bookmark file */
read_bookmarks_file();
/* check for existing bookmark to overwrite */
int next = Zathura.Bookmarks.number_of_bookmarks;
for(i = 0; i < next; i++)
{
if(!strcmp(id->str, Zathura.Bookmarks.bookmarks[i].id))
{
Zathura.Bookmarks.bookmarks[i].page = Zathura.PDF.page_number;
Zathura.Bookmarks.bookmarks[i].scale = Zathura.PDF.scale;
save_page_position(&Zathura.Bookmarks.bookmarks[i].position, 0);
g_string_free(id, TRUE);
return TRUE;
}
}
/* add new bookmark */
Zathura.Bookmarks.bookmarks = realloc(Zathura.Bookmarks.bookmarks,
(next + 1) * sizeof(Bookmark));
Zathura.Bookmarks.bookmarks[next].id = g_strdup(id->str);
Zathura.Bookmarks.bookmarks[next].page = Zathura.PDF.page_number;
Zathura.Bookmarks.bookmarks[next].scale = Zathura.PDF.scale;
save_page_position(&Zathura.Bookmarks.bookmarks[next].position, 0);
Zathura.Bookmarks.number_of_bookmarks++;
/* write the bookmark file */
write_bookmarks_file();
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 */
Bookmark* bmarks = Zathura.Bookmarks.bookmarks;
for(i = 0; i < Zathura.Bookmarks.number_of_bookmarks; i++)
{
if(!strcmp(id->str, bmarks[i].id))
{
set_page(bmarks[i].page);
if(Zathura.PDF.scale != bmarks[i].scale)
{
Zathura.Global.adjust_mode = ADJUST_NONE;
Zathura.PDF.scale = bmarks[i].scale;
Zathura.Search.draw = TRUE;
draw(Zathura.PDF.page_number);
update_status();
}
restore_page_position(&bmarks[i].position);
g_string_free(id, TRUE);
return TRUE;
}
}
notify(WARNING, "No matching bookmark found");
g_string_free(id, TRUE);
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]);
}
/* reload bookmark file */
read_bookmarks_file();
/* 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--;
g_string_free(id, TRUE);
/* write bookmark file */
write_bookmarks_file();
return TRUE;
}
}
g_string_free(id, 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);
completion_free(completion);
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