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Check GTK+ version for monitor methods

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This commit is contained in:
Jeremie Knuesel 2018-02-11 14:48:04 +01:00
parent 250547cabd
commit 9bfefaf905
1 changed files with 5 additions and 1 deletions
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6
zathura/zathura.c
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@ -154,6 +154,10 @@ zathura_update_view_dpi(zathura_t* zathura)
if (display == NULL) { if (display == NULL) {
return; return;
} }
double dpi = 0.0;
#if GTK_CHECK_VERSION(3,22,0)
GdkMonitor* monitor = gdk_display_get_monitor_at_window(display, window); GdkMonitor* monitor = gdk_display_get_monitor_at_window(display, window);
if (monitor == NULL) { if (monitor == NULL) {
return; return;
@ -167,12 +171,12 @@ zathura_update_view_dpi(zathura_t* zathura)
gdk_monitor_get_geometry(monitor, &monitor_geom); gdk_monitor_get_geometry(monitor, &monitor_geom);
/* calculate dpi, knowing that 1 inch = 25.4 mm */ /* calculate dpi, knowing that 1 inch = 25.4 mm */
double dpi = 0.0;
if (width_mm == 0) { if (width_mm == 0) {
girara_debug("cannot calculate DPI: monitor has zero width"); girara_debug("cannot calculate DPI: monitor has zero width");
} else { } else {
dpi = monitor_geom.width * 25.4 / width_mm; dpi = monitor_geom.width * 25.4 / width_mm;
} }
#endif
#ifdef GDK_WINDOWING_WAYLAND #ifdef GDK_WINDOWING_WAYLAND
/* work around apparend bug in GDK: on Wayland, monitor geometry doesn't /* work around apparend bug in GDK: on Wayland, monitor geometry doesn't