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authorMatthias Clasen <mclasen@redhat.com>2014-10-09 17:03:52 -0400
committerMatthias Clasen <mclasen@redhat.com>2014-10-09 21:08:26 -0400
commit8c159e5d67839964e33b761b946392a0dd22e739 (patch)
treeb2cf7534dd3ef7ce508d4dc513d02f96562cb4cf
parent02d9bc2b374eb6ca2cab2a558a527f773caba3d7 (diff)
downloadgtk+-wip/overlay-scrollbar.tar.gz
Port the overlayscroll examplewip/overlay-scrollbar
Make the overlayscroll example use the overlay scrolling that is now built into GtkScrolledWindow, instead of the manual prototype.
-rw-r--r--tests/overlayscroll.c304
1 files changed, 13 insertions, 291 deletions
diff --git a/tests/overlayscroll.c b/tests/overlayscroll.c
index 478c229f99..e43233155b 100644
--- a/tests/overlayscroll.c
+++ b/tests/overlayscroll.c
@@ -18,233 +18,6 @@
#include <gtk/gtk.h>
#include <string.h>
-typedef struct {
- GtkWidget *sw;
- GtkWidget *rv;
- gint64 last_scroll_time;
- gboolean over;
- gboolean dragging;
- gboolean autodetect;
- gboolean touch_mode;
-} IndicatorData;
-
-IndicatorData *
-get_indicator_data (GtkWidget *sb)
-{
- IndicatorData *data;
-
- data = (IndicatorData *) g_object_get_data (G_OBJECT (sb), "indicator-data");
-
- if (!data)
- {
- data = g_new0 (IndicatorData, 1);
- g_object_set_data_full (G_OBJECT (sb), "indicator-data", data, g_free);
- }
-
- return data;
-}
-
-static gboolean
-conceil_scrollbar (gpointer data)
-{
- GtkWidget *sb = data;
- IndicatorData *id = get_indicator_data (sb);
-
- if (g_get_monotonic_time () - id->last_scroll_time >= 1000000 &&
- id->touch_mode &&
- !id->over &&
- !id->dragging)
- {
- if (gtk_revealer_get_reveal_child (GTK_REVEALER (id->rv)))
- gtk_revealer_set_reveal_child (GTK_REVEALER (id->rv), FALSE);
- }
-
- return G_SOURCE_CONTINUE;
-}
-
-static void
-value_changed (GtkAdjustment *adj, GtkWidget *sb)
-{
- IndicatorData *id = get_indicator_data (sb);
-
- if (id->touch_mode &&
- !gtk_revealer_get_reveal_child (GTK_REVEALER (id->rv)))
- gtk_revealer_set_reveal_child (GTK_REVEALER (id->rv), TRUE);
-
- id->last_scroll_time = g_get_monotonic_time ();
-}
-
-static gboolean
-enter_notify (GtkWidget *sb, GdkEventCrossing *event)
-{
- GtkStyleContext *context = gtk_widget_get_style_context (sb);
- IndicatorData *id = get_indicator_data (sb);
-
- gtk_style_context_add_class (context, "locked");
- gtk_widget_queue_resize (sb);
- id->over = TRUE;
-
- return G_SOURCE_CONTINUE;
-}
-
-static gboolean
-leave_notify (GtkWidget *sb, GdkEventCrossing *event)
-{
- GtkStyleContext *context = gtk_widget_get_style_context (sb);
- IndicatorData *id = get_indicator_data (sb);
-
- gtk_style_context_remove_class (context, "locked");
- gtk_widget_queue_resize (sb);
- id->over = FALSE;
-
- return G_SOURCE_CONTINUE;
-}
-
-static void
-style_changed (GtkStyleContext *context, GtkWidget *sb)
-{
- IndicatorData *id = get_indicator_data (sb);
-
- if (gtk_style_context_has_class (context, "dragging"))
- id->dragging = TRUE;
- else
- id->dragging = FALSE;
-}
-
-static const gchar *
-input_source (GdkInputSource source)
-{
- switch (source)
- {
- case GDK_SOURCE_MOUSE: return "mouse";
- case GDK_SOURCE_PEN: return "pen";
- case GDK_SOURCE_ERASER: return "eraser";
- case GDK_SOURCE_CURSOR: return "cursor";
- case GDK_SOURCE_KEYBOARD: return "keyboard";
- case GDK_SOURCE_TOUCHSCREEN: return "touchscreen";
- case GDK_SOURCE_TOUCHPAD: return "touchpad";
- default: return "unknown";
- }
-}
-
-static void
-list_devices (GdkDeviceManager *dm)
-{
- GList *devices, *l;
- GList *slaves, *s;
- GdkDevice *device;
-
- devices = gdk_device_manager_list_devices (dm, GDK_DEVICE_TYPE_MASTER);
- for (l = devices; l; l = l->next)
- {
- device = l->data;
- g_print ("%s%s\n",
- gdk_device_get_name (device),
- gdk_device_get_has_cursor (device) ? ", has cursor" : "");
- slaves = gdk_device_list_slave_devices (device);
- for (s = slaves; s; s = s->next)
- {
- device = s->data;
- g_print (" ↳ %s, %s\n",
- gdk_device_get_name (device),
- input_source (gdk_device_get_source (device)));
- }
- g_list_free (slaves);
- }
- g_list_free (devices);
-}
-
-static gboolean
-has_mouse (GdkDeviceManager *dm)
-{
- GdkDevice *cp;
- GList *slaves, *s;
- GdkDevice *device;
- gboolean found;
-
- found = FALSE;
-
- cp = gdk_device_manager_get_client_pointer (dm);
- slaves = gdk_device_list_slave_devices (cp);
- for (s = slaves; s; s = s->next)
- {
- device = s->data;
-
- if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
- continue;
-
- if (strstr (gdk_device_get_name (device), "XTEST"))
- continue;
-
- if (strstr (gdk_device_get_name (device), "TrackPoint"))
- continue;
-
- if (g_object_get_data (G_OBJECT (device), "removed"))
- continue;
-
- found = TRUE;
- break;
- }
- g_list_free (slaves);
-
- return found;
-}
-
-static void
-update_touch_mode (IndicatorData *id, gboolean touch_mode)
-{
- id->touch_mode = touch_mode;
- gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (id->sw),
- GTK_POLICY_NEVER,
- id->touch_mode ? GTK_POLICY_EXTERNAL : GTK_POLICY_AUTOMATIC);
-
- g_print ("touch mode now %s\n", id->touch_mode ? "ON" : "OFF");
-}
-
-static void
-device_added (GdkDeviceManager *dm, GdkDevice *device, IndicatorData *id)
-{
- if (id->autodetect)
- update_touch_mode (id, !has_mouse (dm));
-}
-
-static void
-device_removed (GdkDeviceManager *dm, GdkDevice *device, IndicatorData *id)
-{
- if (id->autodetect)
- {
- /* We need to work around the fact that ::device-removed is emitted
- * before the device is removed from the list.
- */
- g_object_set_data (G_OBJECT (device), "removed", GINT_TO_POINTER (1));
- update_touch_mode (id, !has_mouse (dm));
- }
-}
-
-static void
-mode_changed (GtkComboBox *combo, IndicatorData *id)
-{
- GdkDeviceManager *dm;
- gint active = gtk_combo_box_get_active (combo);
-
- dm = gdk_display_get_device_manager (gdk_display_get_default ());
- if (active == 0)
- {
- id->autodetect = TRUE;
- update_touch_mode (id, !has_mouse (dm));
- }
- else if (active == 1)
- {
- id->autodetect = FALSE;
- update_touch_mode (id, FALSE);
- }
- else
- {
- id->autodetect = FALSE;
- update_touch_mode (id, TRUE);
- }
-}
-
static gchar *
get_content (void)
{
@@ -258,21 +31,13 @@ get_content (void)
return g_string_free (s, FALSE);
}
-static const gchar data[] =
- ".scrollbar.overlay-indicator.dragging,"
- ".scrollbar.overlay-indicator.locked {"
- " -GtkRange-slider-width: 15;"
- "}"
- ".scrollbar.overlay-indicator.dragging.trough,"
- ".scrollbar.overlay-indicator.locked.trough {"
- " background-color: alpha(black,0.1);"
- "}"
- ".scrollbar.overlay-indicator {"
- " -GtkRange-slider-width: 10;"
- "}"
- ".scrollbar.overlay-indicator.trough {"
- " background-color: transparent;"
- "}";
+static void
+mode_changed (GtkComboBox *combo, GtkScrolledWindow *sw)
+{
+ gint active = gtk_combo_box_get_active (combo);
+
+ gtk_scrolled_window_set_overlay_scrolling (sw, active == 1);
+}
int
main (int argc, char *argv[])
@@ -282,24 +47,12 @@ main (int argc, char *argv[])
GtkWidget *box;
GtkWidget *sw;
GtkWidget *tv;
- GtkWidget *ov;
- GtkWidget *rv;
- GtkWidget *sb;
GtkWidget *sb2;
GtkWidget *combo;
GtkAdjustment *adj;
- GtkCssProvider *provider;
- IndicatorData *id;
- GdkDeviceManager *dm;
gtk_init (&argc, &argv);
- provider = gtk_css_provider_new ();
- gtk_css_provider_load_from_data (provider, data, -1, NULL);
- gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
- GTK_STYLE_PROVIDER (provider),
- GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
-
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), 640, 480);
g_signal_connect (window, "delete-event", G_CALLBACK (gtk_main_quit), NULL);
@@ -307,15 +60,12 @@ main (int argc, char *argv[])
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 20);
gtk_container_add (GTK_CONTAINER (window), box);
- ov = gtk_overlay_new ();
- gtk_box_pack_start (GTK_BOX (box), ov, TRUE, TRUE, 0);
-
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_NEVER,
- GTK_POLICY_EXTERNAL);
+ GTK_POLICY_AUTOMATIC);
- gtk_container_add (GTK_CONTAINER (ov), sw);
+ gtk_box_pack_start (GTK_BOX (box), sw, TRUE, TRUE, 0);
content = get_content ();
@@ -328,34 +78,12 @@ main (int argc, char *argv[])
adj = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (tv));
- sb = gtk_scrollbar_new (GTK_ORIENTATION_VERTICAL, adj);
-
- rv = gtk_revealer_new ();
- gtk_revealer_set_transition_type (GTK_REVEALER (rv), GTK_REVEALER_TRANSITION_TYPE_CROSSFADE);
- gtk_revealer_set_transition_duration (GTK_REVEALER (rv), 750);
- gtk_container_add (GTK_CONTAINER (rv), sb);
- gtk_overlay_add_overlay (GTK_OVERLAY (ov), rv);
- gtk_widget_set_halign (rv, GTK_ALIGN_END);
- gtk_widget_set_valign (rv, GTK_ALIGN_FILL);
-
- id = get_indicator_data (sb);
- id->sw = sw;
- id->rv = rv;
-
- gtk_style_context_add_class (gtk_widget_get_style_context (sb), "overlay-indicator");
- g_signal_connect (sb, "enter-notify-event", G_CALLBACK (enter_notify), NULL);
- g_signal_connect (sb, "leave-notify-event", G_CALLBACK (leave_notify), NULL);
- g_signal_connect (gtk_widget_get_style_context (sb), "changed", G_CALLBACK (style_changed), sb);
- g_signal_connect (adj, "value-changed", G_CALLBACK (value_changed), sb);
- g_timeout_add (500, conceil_scrollbar, sb);
-
combo = gtk_combo_box_text_new ();
gtk_widget_set_valign (combo, GTK_ALIGN_START);
- gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Autodetect");
- gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Mouse mode");
- gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Touch mode");
- g_signal_connect (combo, "changed", G_CALLBACK (mode_changed), id);
- gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
+ gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Traditional");
+ gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Overlay");
+ g_signal_connect (combo, "changed", G_CALLBACK (mode_changed), sw);
+ gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 1);
gtk_container_add (GTK_CONTAINER (box), combo);
@@ -364,12 +92,6 @@ main (int argc, char *argv[])
gtk_widget_show_all (window);
- dm = gdk_display_get_device_manager (gdk_display_get_default ());
- list_devices (dm);
-
- g_signal_connect (dm, "device-added", G_CALLBACK (device_added), id);
- g_signal_connect (dm, "device-removed", G_CALLBACK (device_removed), id);
-
gtk_main ();
return 0;