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readjust view in sc_adjust_window (to keep position)

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Felix Herrmann 2012-03-18 21:14:28 +01:00 committed by Sebastian Ramacher
parent fbc5f1431f
commit d4b92610de
1 changed files with 18 additions and 7 deletions
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25
shortcuts.c
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@ -17,6 +17,18 @@
#include "utils.h"
#include "page-widget.h"
static void
readjust_view_after_zooming(zathura_t *zathura, float old_zoom) {
GtkScrolledWindow *window = GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view);
GtkAdjustment* vadjustment = gtk_scrolled_window_get_vadjustment(window);
GtkAdjustment* hadjustment = gtk_scrolled_window_get_hadjustment(window);
gdouble valx = gtk_adjustment_get_value(hadjustment) / old_zoom * zathura->document->scale;
gdouble valy = gtk_adjustment_get_value(vadjustment) / old_zoom * zathura->document->scale;
set_adjustment(hadjustment, valx);
set_adjustment(vadjustment, valy);
}
bool
sc_abort(girara_session_t* session, girara_argument_t* UNUSED(argument),
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
@ -58,6 +70,7 @@ sc_adjust_window(girara_session_t* session, girara_argument_t* argument,
goto error_ret;
}
float old_zoom = zathura->document->scale;
zathura->document->adjust_mode = argument->n;
if (argument->n == ADJUST_NONE) {
/* there is nothing todo */
@ -99,6 +112,9 @@ sc_adjust_window(girara_session_t* session, girara_argument_t* argument,
goto error_ret;
}
/* keep position */
readjust_view_after_zooming(zathura, old_zoom);
/* re-render all pages */
render_all(zathura);
@ -865,7 +881,7 @@ sc_zoom(girara_session_t* session, girara_argument_t* argument, girara_event_t*
girara_setting_get(zathura->ui.session, "zoom-step", &value);
float zoom_step = value / 100.0f;
float oldzoom = zathura->document->scale;
float old_zoom = zathura->document->scale;
/* specify new zoom value */
if (argument->n == ZOOM_IN) {
@ -894,12 +910,7 @@ sc_zoom(girara_session_t* session, girara_argument_t* argument, girara_event_t*
}
/* 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);
readjust_view_after_zooming(zathura, old_zoom);
render_all(zathura);