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PDF Viewer: handle Ctrl+scroll for zooming
author
Colin Leroy
<colin@colino.net>
Mon, 15 Oct 2018 19:15:05 +0000
(21:15 +0200)
committer
Colin Leroy
<colin@colino.net>
Mon, 15 Oct 2018 19:15:05 +0000
(21:15 +0200)
src/plugins/pdf_viewer/poppler_viewer.c
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diff --git
a/src/plugins/pdf_viewer/poppler_viewer.c
b/src/plugins/pdf_viewer/poppler_viewer.c
index ae001becfd14f3894477acd7a3f9c2c4dfbc7683..6b8b270172022e419288a5509ef00aa2d896234b 100644
(file)
--- a/
src/plugins/pdf_viewer/poppler_viewer.c
+++ b/
src/plugins/pdf_viewer/poppler_viewer.c
@@
-1107,6
+1107,16
@@
static gboolean pdf_viewer_scroll_cb(GtkWidget *widget, GdkEventScroll *event,
in_scroll_cb = TRUE;
in_scroll_cb = TRUE;
+ if ((event->state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK) {
+ if (event->direction == GDK_SCROLL_UP) {
+ pdf_viewer_button_zoom_in_cb(NULL, viewer);
+ } else {
+ pdf_viewer_button_zoom_out_cb(NULL, viewer);
+ }
+ in_scroll_cb = FALSE;
+ return TRUE;
+ }
+
if (event->direction == GDK_SCROLL_UP &&
gtk_adjustment_get_value(adj) == gtk_adjustment_get_lower(adj) &&
cur_p > 1) {
if (event->direction == GDK_SCROLL_UP &&
gtk_adjustment_get_value(adj) == gtk_adjustment_get_lower(adj) &&
cur_p > 1) {