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authorPřemysl Eric Janouch <p@janouch.name>2021-11-22 15:33:08 +0100
committerPřemysl Eric Janouch <p@janouch.name>2021-11-22 15:33:36 +0100
commite239aca6f41ac98bfc6e871fd3bad9384254eac1 (patch)
tree37ef9bd5494989ae0ac354832fc7687917d29891
parente663368ee48379339fceca3d5deab64ea4cf30c1 (diff)
downloadfiv-e239aca6f41ac98bfc6e871fd3bad9384254eac1.tar.gz
fiv-e239aca6f41ac98bfc6e871fd3bad9384254eac1.tar.xz
fiv-e239aca6f41ac98bfc6e871fd3bad9384254eac1.zip
Make Ctrl-scrolling change thumbnail size
-rw-r--r--fastiv-browser.c52
1 files changed, 44 insertions, 8 deletions
diff --git a/fastiv-browser.c b/fastiv-browser.c
index 1362257..830abd8 100644
--- a/fastiv-browser.c
+++ b/fastiv-browser.c
@@ -483,17 +483,30 @@ fastiv_browser_get_property(
}
static void
+set_item_size(FastivBrowser *self, FastivIoThumbnailSize size)
+{
+ if (size < FASTIV_IO_THUMBNAIL_SIZE_MIN ||
+ size > FASTIV_IO_THUMBNAIL_SIZE_MAX)
+ return;
+
+ if (size != self->item_size) {
+ self->item_size = size;
+ self->item_height = fastiv_io_thumbnail_sizes[self->item_size].size;
+ reload_thumbnails(self);
+
+ g_object_notify_by_pspec(
+ G_OBJECT(self), browser_properties[PROP_THUMBNAIL_SIZE]);
+ }
+}
+
+static void
fastiv_browser_set_property(
GObject *object, guint property_id, const GValue *value, GParamSpec *pspec)
{
FastivBrowser *self = FASTIV_BROWSER(object);
switch (property_id) {
case PROP_THUMBNAIL_SIZE:
- if (g_value_get_enum(value) != (int) self->item_size) {
- self->item_size = g_value_get_enum(value);
- self->item_height = fastiv_io_thumbnail_sizes[self->item_size].size;
- reload_thumbnails(self);
- }
+ set_item_size(self, g_value_get_enum(value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
@@ -547,7 +560,8 @@ fastiv_browser_realize(GtkWidget *widget)
.visual = gtk_widget_get_visual(widget),
.event_mask = gtk_widget_get_events(widget) | GDK_KEY_PRESS_MASK |
- GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK,
+ GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK |
+ GDK_SCROLL_MASK,
};
// We need this window to receive input events at all.
@@ -650,6 +664,28 @@ fastiv_browser_motion_notify_event(GtkWidget *widget, GdkEventMotion *event)
}
static gboolean
+fastiv_browser_scroll_event(GtkWidget *widget, GdkEventScroll *event)
+{
+ FastivBrowser *self = FASTIV_BROWSER(widget);
+ if ((event->state & gtk_accelerator_get_default_mod_mask()) !=
+ GDK_CONTROL_MASK)
+ return FALSE;
+
+ switch (event->direction) {
+ case GDK_SCROLL_UP:
+ set_item_size(self, self->item_size + 1);
+ return TRUE;
+ case GDK_SCROLL_DOWN:
+ set_item_size(self, self->item_size - 1);
+ return TRUE;
+ default:
+ // For some reason, we can also get GDK_SCROLL_SMOOTH.
+ // Left/right are good to steal from GtkScrolledWindow for consistency.
+ return TRUE;
+ }
+}
+
+static gboolean
fastiv_browser_query_tooltip(GtkWidget *widget, gint x, gint y,
G_GNUC_UNUSED gboolean keyboard_tooltip, GtkTooltip *tooltip)
{
@@ -766,6 +802,7 @@ fastiv_browser_class_init(FastivBrowserClass *klass)
widget_class->size_allocate = fastiv_browser_size_allocate;
widget_class->button_press_event = fastiv_browser_button_press_event;
widget_class->motion_notify_event = fastiv_browser_motion_notify_event;
+ widget_class->scroll_event = fastiv_browser_scroll_event;
widget_class->query_tooltip = fastiv_browser_query_tooltip;
widget_class->style_updated = fastiv_browser_style_updated;
@@ -791,8 +828,7 @@ fastiv_browser_init(FastivBrowser *self)
self->layouted_rows = g_array_new(FALSE, TRUE, sizeof(Row));
g_array_set_clear_func(self->layouted_rows, (GDestroyNotify) row_free);
- self->item_size = FASTIV_IO_THUMBNAIL_SIZE_NORMAL;
- self->item_height = fastiv_io_thumbnail_sizes[self->item_size].size;
+ set_item_size(self, FASTIV_IO_THUMBNAIL_SIZE_NORMAL);
self->selected = -1;
self->glow = cairo_image_surface_create(CAIRO_FORMAT_A1, 0, 0);