mirror of
https://git.pwmt.org/pwmt/zathura.git
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Basic PDF functionality
With this commit Zathura gains PDF refered functionality and therefore several shortcuts and commands Added following functionality: * Open PDF file (via command or argument) * Scroll on the current page * Thumb through the PDF file * Rotate PDF page * Zoom in and out In progess: * Search PDF * Better notification system
This commit is contained in:
Moritz Lipp
parent
0eeb457bea
commit
2754798c73
5
Makefile
5
Makefile
@ -1,5 +1,5 @@
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LIBS = gtk+-2.0 poppler poppler-glib
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FLAGS = `pkg-config --cflags --libs $(LIBS)`
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FLAGS = `pkg-config --cflags --libs $(LIBS)`
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SOURCE = zathura.c
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TARGET = zathura
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@ -17,6 +17,9 @@ debug: $(TARGET)
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valgrind: debug $(TARGET)
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valgrind --tool=memcheck --leak-check=yes --show-reachable=yes ./${TARGET}
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scrollbars: $(TARGET)
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gcc $(FLAGS) -Wall -o $(TARGET) $(SOURCE) -DSHOW_SCROLLBARS
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install: all
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@echo installing executeable to /usr/bin
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@mkdir -p /usr/bin
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29
config.h
29
config.h
@ -1,5 +1,5 @@
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static const float zoom_step = 0.1;
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static const float scroll_step = 40;
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static const float ZOOM_STEP = 0.1;
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static const float SCROLL_STEP = 40;
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static const char font[] = "monospace normal 9";
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static const char default_bgcolor[] = "#141414";
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@ -17,15 +17,38 @@ static const char completion_hl_bgcolor[] = "#9FBC00";
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Shortcut shortcuts[] = {
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// mask, key, function, argument
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{GDK_CONTROL_MASK, GDK_f, sc_navigate, { NEXT } },
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{GDK_CONTROL_MASK, GDK_b, sc_navigate, { PREVIOUS } },
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{GDK_CONTROL_MASK, GDK_plus, sc_zoom, { ZOOM_IN } },
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{GDK_CONTROL_MASK, GDK_minus, sc_zoom, { ZOOM_OUT } },
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{GDK_CONTROL_MASK, GDK_0, sc_zoom, { ZOOM_ORIGINAL } },
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{GDK_CONTROL_MASK, GDK_r, sc_rotate, { RIGHT } },
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{GDK_CONTROL_MASK, GDK_e, sc_rotate, { LEFT } },
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{GDK_CONTROL_MASK, GDK_q, sc_quit, {0} },
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{0, GDK_h, sc_scroll, { LEFT } },
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{0, GDK_j, sc_scroll, { DOWN } },
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{0, GDK_k, sc_scroll, { UP } },
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{0, GDK_l, sc_scroll, { RIGHT } },
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{0, GDK_i, sc_adjust_window, { ADJUST_BESTFIT } },
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{0, GDK_u, sc_adjust_window, { ADJUST_WIDTH } },
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{0, GDK_colon, sc_focus_inputbar, { .data = ":" } },
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{0, GDK_o, sc_focus_inputbar, { .data = ":open " } },
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{GDK_CONTROL_MASK, GDK_q, sc_quit, {0} },
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{0, GDK_r, sc_focus_inputbar, { .data = ":rotate " } },
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{0, GDK_z, sc_focus_inputbar, { .data = ":zoom " } },
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{0, GDK_g, sc_focus_inputbar, { .data = ":goto " } },
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{0, GDK_slash, sc_focus_inputbar, { .data = "/" } },
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};
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Command commands[] = {
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// command, function
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{"g", cmd_goto},
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{"goto", cmd_goto},
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{"o", cmd_open},
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{"open", cmd_open},
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{"r", cmd_rotate},
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{"rotate", cmd_rotate},
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{"q", cmd_quit},
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{"quit", cmd_quit},
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{"z", cmd_zoom},
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{"zoom", cmd_zoom},
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};
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349
zathura.c
349
zathura.c
@ -1,6 +1,9 @@
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#include <stdlib.h>
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#include <string.h>
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#include <poppler/glib/poppler.h>
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#include <cairo.h>
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#include <gtk/gtk.h>
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#include <gdk/gdkkeysyms.h>
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@ -8,13 +11,16 @@
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#define LENGTH(x) sizeof(x)/sizeof((x)[0])
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/* enums */
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enum { NEXT, PREVIOUS, HIDE, WARNING, DEFAULT };
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enum { UP, DOWN, LEFT, RIGHT, ZOOM_IN, ZOOM_OUT, ZOOM_ORIGINAL,
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NEXT, PREVIOUS, HIDE, ERROR, WARNING, DEFAULT,
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ADJUST_BESTFIT, ADJUST_WIDTH };
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struct
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{
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GtkWindow *window;
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GtkBox *box;
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GtkScrolledWindow *view;
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GtkWidget *drawing_area;
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GtkEntry *inputbar;
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struct
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@ -31,6 +37,18 @@ struct
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GdkColor completion_hl_bg;
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PangoFontDescription *font;
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} Settings;
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struct
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{
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PopplerDocument *document;
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PopplerPage *page;
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int page_number;
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double scale;
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int rotate;
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cairo_surface_t *surface;
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char *file;
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} PDF;
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} Zathura;
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typedef struct
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@ -57,18 +75,30 @@ typedef struct
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void init();
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void update_title();
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void update_status(int, char*);
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void set_page(int);
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void draw();
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gboolean complete(Argument*);
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/* shortcut declarations */
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void sc_focus_inputbar(Argument*);
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void sc_scroll(Argument*);
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void sc_navigate(Argument*);
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void sc_zoom(Argument*);
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void sc_adjust_window(Argument*);
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void sc_rotate(Argument*);
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void sc_quit(Argument*);
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/* command declarations */
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void cmd_goto(int, char**);
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void cmd_open(int, char**);
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void cmd_rotate(int, char**);
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void cmd_search(int, char**);
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void cmd_quit(int, char**);
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void cmd_zoom(int, char**);
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/* callbacks declarations */
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void cb_draw(GtkWidget*, gpointer);
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void cb_destroy(GtkWidget*, gpointer);
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void cb_inputbar_activate(GtkEntry*, gpointer);
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void cb_inputbar_button_pressed(GtkWidget*, GdkEventButton*, gpointer);
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@ -98,13 +128,17 @@ init()
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Zathura.Settings.font = pango_font_description_from_string(font);
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/* variables */
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Zathura.window = GTK_WINDOW(gtk_window_new(GTK_WINDOW_TOPLEVEL));
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Zathura.box = GTK_BOX(gtk_vbox_new(FALSE, 0));
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Zathura.view = GTK_SCROLLED_WINDOW(gtk_scrolled_window_new(NULL, NULL));
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Zathura.inputbar = GTK_ENTRY(gtk_entry_new());
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Zathura.window = GTK_WINDOW(gtk_window_new(GTK_WINDOW_TOPLEVEL));
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Zathura.box = GTK_BOX(gtk_vbox_new(FALSE, 0));
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Zathura.view = GTK_SCROLLED_WINDOW(gtk_scrolled_window_new(NULL, NULL));
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Zathura.drawing_area = gtk_drawing_area_new();
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Zathura.inputbar = GTK_ENTRY(gtk_entry_new());
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Zathura.PDF.scale = 1.0;
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Zathura.PDF.rotate = 0;
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/* window */
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gtk_window_set_title(Zathura.window, "title");
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gtk_window_set_title(Zathura.window, "zathura");
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gtk_window_set_default_size(Zathura.window, 800, 600);
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g_signal_connect(G_OBJECT(Zathura.window), "destroy", G_CALLBACK(cb_destroy), NULL);
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/* box */
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@ -112,8 +146,12 @@ init()
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gtk_container_add(GTK_CONTAINER(Zathura.window), GTK_WIDGET(Zathura.box));
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/* view */
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gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(Zathura.view), Zathura.drawing_area);
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g_signal_connect(G_OBJECT(Zathura.view), "key-press-event", G_CALLBACK(cb_view_key_pressed), NULL);
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/* drawing area */
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g_signal_connect(G_OBJECT(Zathura.drawing_area), "expose-event", G_CALLBACK(cb_draw), NULL);
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#ifdef SHOW_SCROLLBARS
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gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(Zathura.view), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
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#else
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@ -142,7 +180,10 @@ init()
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void
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update_title()
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{
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if(Zathura.PDF.file != NULL)
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gtk_window_set_title(GTK_WINDOW(Zathura.window), Zathura.PDF.file + strlen("file://"));
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else
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gtk_window_set_title(GTK_WINDOW(Zathura.window), "zathura");
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}
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void
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@ -159,9 +200,98 @@ update_status(int level, char* text)
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gtk_widget_modify_base(GTK_WIDGET(Zathura.inputbar), GTK_STATE_NORMAL, &(Zathura.Settings.inputbar_bg));
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}
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if(text == (char*) "")
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{
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if(Zathura.PDF.document && Zathura.PDF.page)
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{
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char* show_page = g_strdup_printf("[%i/%i]", Zathura.PDF.page_number + 1,
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poppler_document_get_n_pages(Zathura.PDF.document));
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char* filename = Zathura.PDF.file + strlen("file://");
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text = g_strdup_printf("%s %s", show_page, filename);
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}
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}
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gtk_entry_set_text(Zathura.inputbar, text);
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}
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void set_page(int page_number)
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{
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if(page_number > poppler_document_get_n_pages(Zathura.PDF.document))
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{
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update_status(WARNING, "Error: Could not open page");
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return;
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}
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Zathura.PDF.page_number = page_number;
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Zathura.PDF.page = poppler_document_get_page(Zathura.PDF.document, page_number);
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}
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void
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draw()
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{
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if(!Zathura.PDF.document || !Zathura.PDF.page)
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return;
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double page_width, page_height;
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double width, height;
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if(Zathura.PDF.surface)
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cairo_surface_destroy(Zathura.PDF.surface);
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Zathura.PDF.surface = NULL;
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poppler_page_get_size(Zathura.PDF.page, &page_width, &page_height);
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if(Zathura.PDF.rotate == 0 || Zathura.PDF.rotate == 180)
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{
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width = page_width * Zathura.PDF.scale;
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height = page_height * Zathura.PDF.scale;
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}
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else
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{
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width = page_height * Zathura.PDF.scale;
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height = page_width * Zathura.PDF.scale;
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}
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cairo_t *cairo;
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Zathura.PDF.surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, width, height);
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cairo = cairo_create(Zathura.PDF.surface);
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cairo_save(cairo);
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cairo_set_source_rgb(cairo, 1, 1, 1);
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cairo_rectangle(cairo, 0, 0, width, height);
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cairo_fill(cairo);
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cairo_restore(cairo);
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cairo_save(cairo);
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switch(Zathura.PDF.rotate)
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{
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case 90:
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cairo_translate(cairo, width, 0);
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break;
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case 180:
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cairo_translate(cairo, width, height);
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break;
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case 270:
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cairo_translate(cairo, 0, height);
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break;
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default:
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cairo_translate(cairo, 0, 0);
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}
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if(Zathura.PDF.scale != 1.0)
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cairo_scale(cairo, Zathura.PDF.scale, Zathura.PDF.scale);
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if(Zathura.PDF.rotate != 0)
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cairo_rotate(cairo, Zathura.PDF.rotate * G_PI / 180.0);
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poppler_page_render(Zathura.PDF.page, cairo);
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cairo_restore(cairo);
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cairo_destroy(cairo);
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gtk_widget_set_size_request(Zathura.drawing_area, width, height);
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gtk_widget_queue_draw(Zathura.drawing_area);
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}
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gboolean
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complete(Argument* argument)
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{
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@ -287,7 +417,93 @@ sc_focus_inputbar(Argument *argument)
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gtk_widget_grab_focus(GTK_WIDGET(Zathura.inputbar));
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gtk_editable_set_position(GTK_EDITABLE(Zathura.inputbar), -1);
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}
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void
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sc_scroll(Argument *argument)
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{
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GtkAdjustment* adjustment;
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if( (argument->n == LEFT) || (argument->n == RIGHT) )
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adjustment = gtk_scrolled_window_get_hadjustment(Zathura.view);
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else
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adjustment = gtk_scrolled_window_get_vadjustment(Zathura.view);
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gdouble view_size = gtk_adjustment_get_page_size(adjustment);
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gdouble value = gtk_adjustment_get_value(adjustment);
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gdouble max = gtk_adjustment_get_upper(adjustment) - view_size;
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if((argument->n == LEFT) || (argument->n == DOWN))
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gtk_adjustment_set_value(adjustment, (value - SCROLL_STEP) < 0 ? 0 : (value - SCROLL_STEP));
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else
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gtk_adjustment_set_value(adjustment, (value + SCROLL_STEP) > max ? max : (value + SCROLL_STEP));
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}
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void
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sc_navigate(Argument *argument)
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{
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int number_of_pages = poppler_document_get_n_pages(Zathura.PDF.document);
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int new_page = Zathura.PDF.page_number;
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if(argument->n == NEXT)
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new_page = abs( (new_page + number_of_pages + 1) % number_of_pages);
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else if(argument->n == PREVIOUS)
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new_page = abs( (new_page + number_of_pages - 1) % number_of_pages);
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Zathura.PDF.page = poppler_document_get_page(Zathura.PDF.document, new_page);
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Zathura.PDF.page_number = new_page;
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update_status(DEFAULT, "");
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draw();
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}
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void
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sc_zoom(Argument *argument)
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{
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if(argument->n == ZOOM_IN)
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Zathura.PDF.scale += ZOOM_STEP;
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else if(argument->n == ZOOM_OUT)
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Zathura.PDF.scale -= ZOOM_STEP;
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else if(argument->n == ZOOM_ORIGINAL)
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Zathura.PDF.scale = 1.0;
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draw();
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}
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void
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sc_adjust_window(Argument *argument)
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{
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GtkAdjustment* adjustment;
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double view_size;
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double page_width;
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double page_height;
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if(argument->n == ADJUST_WIDTH)
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adjustment = gtk_scrolled_window_get_vadjustment(Zathura.view);
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else
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adjustment = gtk_scrolled_window_get_hadjustment(Zathura.view);
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view_size = gtk_adjustment_get_page_size(adjustment);
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poppler_page_get_size(Zathura.PDF.page, &page_width, &page_height);
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if(argument->n == ADJUST_WIDTH)
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Zathura.PDF.scale = view_size / page_height;
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else
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Zathura.PDF.scale = view_size / page_width;
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draw();
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}
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void
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sc_rotate(Argument *argument)
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{
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if(argument->n == LEFT)
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Zathura.PDF.rotate = abs((Zathura.PDF.rotate - 90) % 360);
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else if(argument->n == RIGHT)
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Zathura.PDF.rotate = abs((Zathura.PDF.rotate + 90) % 360);
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draw();
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}
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void
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sc_quit(Argument *argument)
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{
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@ -298,7 +514,90 @@ sc_quit(Argument *argument)
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void
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cmd_open(int argc, char** argv)
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{
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if(argc == 0 || (int) strlen(argv[0]) == 0)
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return;
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gchar* file;
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if(g_ascii_strncasecmp(argv[0], "file://", strlen("file://")) == 0)
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file = g_strdup(argv[0]);
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else
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file = g_filename_to_uri(argv[0], NULL, NULL);
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Zathura.PDF.document = poppler_document_new_from_file(file, (argc == 2) ? argv[1] : NULL, NULL);
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if(!Zathura.PDF.document)
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{
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printf("Error: Could not open file %s\n", file);
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return;
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}
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Zathura.PDF.file = file;
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set_page(0);
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draw();
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update_status(DEFAULT, "");
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update_title();
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}
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void
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cmd_goto(int argc, char** argv)
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{
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if(argc == 0)
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return;
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int page = atoi(argv[0]);;
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set_page(page);
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}
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void
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cmd_rotate(int argc, char** argv)
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{
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Argument argument;
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if(argc == 0)
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argument.n = RIGHT;
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else
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{
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if(!strncmp(argv[0], "left", strlen(argv[0]) - 1))
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argument.n = LEFT;
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else
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argument.n = RIGHT;
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}
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sc_rotate(&argument);
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}
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void
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cmd_search(int argc, char** argv)
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{
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if(!Zathura.PDF.document || !Zathura.PDF.page || !argv[0])
|
||||
return;
|
||||
|
||||
GList* results = poppler_page_find_text(Zathura.PDF.page, argv[0]);
|
||||
GList* list;
|
||||
|
||||
if(results)
|
||||
{
|
||||
for(list = results; list && list->data; list = g_list_next(list))
|
||||
{
|
||||
//PopplerRectangle *rectangle = (PopplerRectangle*) list->data;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
cmd_zoom(int argc, char** argv)
|
||||
{
|
||||
if(argc == 0)
|
||||
return;
|
||||
|
||||
int zoom = atoi(argv[0]);
|
||||
if(zoom < 1 || zoom >= 1000)
|
||||
return;
|
||||
|
||||
Zathura.PDF.scale = (float) zoom / 100;
|
||||
draw();
|
||||
}
|
||||
|
||||
void
|
||||
@ -308,6 +607,19 @@ cmd_quit(int argc, char** argv)
|
||||
}
|
||||
|
||||
/* callback implementations */
|
||||
void
|
||||
cb_draw(GtkWidget *widget, gpointer data)
|
||||
{
|
||||
gdk_window_clear(widget->window);
|
||||
|
||||
draw();
|
||||
|
||||
cairo_t *cairo = gdk_cairo_create(widget->window);
|
||||
cairo_set_source_surface(cairo, Zathura.PDF.surface, 0, 0);
|
||||
cairo_paint(cairo);
|
||||
cairo_destroy(cairo);
|
||||
}
|
||||
|
||||
void
|
||||
cb_destroy(GtkWidget *widget, gpointer data)
|
||||
{
|
||||
@ -320,7 +632,8 @@ cb_view_key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
|
||||
int i;
|
||||
for(i = 0; i < LENGTH(shortcuts); i++)
|
||||
{
|
||||
if(event->keyval == shortcuts[i].key && (event->state == shortcuts[i].mask || shortcuts[i].mask == 0))
|
||||
if (event->keyval == shortcuts[i].key &&
|
||||
(((event->state & shortcuts[i].mask) == shortcuts[i].mask) || shortcuts[i].mask == 0))
|
||||
{
|
||||
shortcuts[i].function(&(shortcuts[i].argument));
|
||||
return TRUE;
|
||||
@ -347,7 +660,14 @@ cb_inputbar_activate(GtkEntry* entry, gpointer data)
|
||||
|
||||
// special command
|
||||
if(*tokens[0] == '/')
|
||||
{
|
||||
char *term = (char*) gtk_entry_get_text(entry) + 1;
|
||||
cmd_search(1, &term);
|
||||
g_strfreev(tokens);
|
||||
gtk_widget_grab_focus(GTK_WIDGET(Zathura.view));
|
||||
update_status(DEFAULT, "");
|
||||
return;
|
||||
}
|
||||
|
||||
// other
|
||||
for(i = 0; i < LENGTH(commands); i++)
|
||||
@ -407,7 +727,8 @@ cb_inputbar_key_pressed(GtkEntry* entry, GdkEventKey *event, gpointer data)
|
||||
gboolean
|
||||
cb_inputbar_key_released(GtkEntry *entry, GdkEventKey *event, gpointer data)
|
||||
{
|
||||
int length = gtk_entry_get_text_length(entry);
|
||||
int length = gtk_entry_get_text_length(entry);
|
||||
char* text = (char*) gtk_entry_get_text(entry);
|
||||
Argument argument;
|
||||
|
||||
if(!length)
|
||||
@ -415,6 +736,13 @@ cb_inputbar_key_released(GtkEntry *entry, GdkEventKey *event, gpointer data)
|
||||
argument.n = HIDE;
|
||||
complete(&argument);
|
||||
}
|
||||
else if(length > 1 && text[0] == '/')
|
||||
{
|
||||
char *term = text + 1;
|
||||
cmd_search(1, &term);
|
||||
gtk_widget_grab_focus(GTK_WIDGET(Zathura.inputbar));
|
||||
gtk_editable_set_position(GTK_EDITABLE(Zathura.inputbar), -1);
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
@ -426,6 +754,9 @@ main(int argc, char* argv[])
|
||||
gtk_init(&argc, &argv);
|
||||
|
||||
init();
|
||||
|
||||
if(argc >= 2)
|
||||
cmd_open(2, &argv[1]);
|
||||
|
||||
gtk_widget_show_all(GTK_WIDGET(Zathura.window));
|
||||
gtk_main();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user