zathura/callbacks.c
2010-12-29 11:46:13 +01:00

68 lines
1.6 KiB
C

/* See LICENSE file for license and copyright information */
#include <callbacks.h>
#include <girara.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include "zathura.h"
#include "ft/document.h"
gboolean
cb_destroy(GtkWidget* widget, gpointer data)
{
if(Zathura.UI.session) {
girara_session_destroy(Zathura.UI.session);
}
return TRUE;
}
void
buffer_changed(girara_session_t* session)
{
g_return_if_fail(session != NULL);
char* buffer = girara_buffer_get(session);
if(buffer) {
girara_statusbar_item_set_text(session, Zathura.UI.statusbar.buffer, buffer);
free(buffer);
} else {
girara_statusbar_item_set_text(session, Zathura.UI.statusbar.buffer, "");
}
}
void
cb_view_vadjustment_value_changed(GtkAdjustment *adjustment, gpointer data)
{
if(!Zathura.document || !Zathura.document->pages || !Zathura.UI.page_view) {
return;
}
/* get current adjustment values */
gdouble lower = gtk_adjustment_get_lower(adjustment);
gdouble upper = gtk_adjustment_get_lower(adjustment);
/* find page that fits */
for(unsigned int page_id = 0; page_id < Zathura.document->number_of_pages; page_id++)
{
zathura_page_t* page = Zathura.document->pages[page_id];
double begin = page->offset;
double end = page->offset + page->height;
if( begin <= 10 ) { // FIXME
/* render page */
GtkWidget* image = zathura_page_render(page);
if(!image) {
printf("error: rendering failed\n");
return;
}
/* add new page */
gtk_box_pack_start(GTK_BOX(Zathura.UI.page_view), image, TRUE, TRUE, 0);
gtk_box_reorder_child(GTK_BOX(Zathura.UI.page_view), image, page->number);
}
}
}