mirrors/zathura
1
0
Fork 0
mirror of https://git.pwmt.org/pwmt/zathura.git synced 2025-01-01 10:06:00 +01:00
Code Issues Projects Releases Packages Wiki Activity

keep position while zooming

Browse source
This commit is contained in:
Sebastian Ramacher 2012-02-08 21:39:44 +01:00
parent fea48f3438
commit a51183cd66
1 changed files with 9 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
shortcuts.c
View file

@ -740,6 +740,7 @@ sc_zoom(girara_session_t* session, girara_argument_t* argument, girara_event_t*
girara_setting_get(zathura->ui.session, "zoom-step", &value); girara_setting_get(zathura->ui.session, "zoom-step", &value);
float zoom_step = value / 100.0f; float zoom_step = value / 100.0f;
float oldzoom = zathura->document->scale;
/* specify new zoom value */ /* specify new zoom value */
if (argument->n == ZOOM_IN) { if (argument->n == ZOOM_IN) {
@ -747,7 +748,6 @@ sc_zoom(girara_session_t* session, girara_argument_t* argument, girara_event_t*
} else if (argument->n == ZOOM_OUT) { } else if (argument->n == ZOOM_OUT) {
zathura->document->scale -= zoom_step; zathura->document->scale -= zoom_step;
} else if (argument->n == ZOOM_SPECIFIC) { } else if (argument->n == ZOOM_SPECIFIC) {
fprintf(stderr, "t: %d\n", t);
zathura->document->scale = t / 100.0f; zathura->document->scale = t / 100.0f;
} else { } else {
zathura->document->scale = 1.0; zathura->document->scale = 1.0;
@ -760,6 +760,14 @@ sc_zoom(girara_session_t* session, girara_argument_t* argument, girara_event_t*
zathura->document->scale = 10.0f; zathura->document->scale = 10.0f;
} }
/* keep position */
GtkAdjustment* view_vadjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
GtkAdjustment* view_hadjustment = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
gdouble valx = gtk_adjustment_get_value(view_hadjustment) / oldzoom * zathura->document->scale;
gdouble valy = gtk_adjustment_get_value(view_vadjustment) / oldzoom * zathura->document->scale;
set_adjustment(view_hadjustment, valx);
set_adjustment(view_vadjustment, valy);
render_all(zathura); render_all(zathura);
return false; return false;