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authorDamon Chaplin <damon@helixcode.com>2000-06-19 15:26:12 +0800
committerDamon Chaplin <damon@src.gnome.org>2000-06-19 15:26:12 +0800
commiteae703e0851b32548a9ecd326063e0ac876e9e3b (patch)
tree4f65326e662f36d11e5f186e13b2a0d7254ed7d0
parent105dd5c5f61b47581339af1145bfd98aa8c65938 (diff)
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gsoc2013-evolution-eae703e0851b32548a9ecd326063e0ac876e9e3b.zip
added support for scroll-wheels.
2000-06-19 Damon Chaplin <damon@helixcode.com> * e-icon-bar-bg-item.c: * e-icon-bar.c: * e-icon-bar.h: * e-vscrolled-bar.c: added support for scroll-wheels. svn path=/trunk/; revision=3631
-rw-r--r--widgets/shortcut-bar/ChangeLog7
-rw-r--r--widgets/shortcut-bar/e-icon-bar-bg-item.c3
-rw-r--r--widgets/shortcut-bar/e-icon-bar.c19
-rw-r--r--widgets/shortcut-bar/e-icon-bar.h3
-rw-r--r--widgets/shortcut-bar/e-vscrolled-bar.c55
5 files changed, 87 insertions, 0 deletions
diff --git a/widgets/shortcut-bar/ChangeLog b/widgets/shortcut-bar/ChangeLog
index 76c46fabea..7f45553be3 100644
--- a/widgets/shortcut-bar/ChangeLog
+++ b/widgets/shortcut-bar/ChangeLog
@@ -1,3 +1,10 @@
+2000-06-19 Damon Chaplin <damon@helixcode.com>
+
+ * e-icon-bar-bg-item.c:
+ * e-icon-bar.c:
+ * e-icon-bar.h:
+ * e-vscrolled-bar.c: added support for scroll-wheels.
+
2000-06-02 Christopher James Lahey <clahey@helixcode.com>
* e-icon-bar.c: Free all the item data.
diff --git a/widgets/shortcut-bar/e-icon-bar-bg-item.c b/widgets/shortcut-bar/e-icon-bar-bg-item.c
index b3a62bbf5b..025bd6f467 100644
--- a/widgets/shortcut-bar/e-icon-bar-bg-item.c
+++ b/widgets/shortcut-bar/e-icon-bar-bg-item.c
@@ -323,6 +323,9 @@ e_icon_bar_bg_item_button_press (EIconBarBgItem *ibitem,
{
gint item_num;
+ if (event->button.button == 4 || event->button.button == 5)
+ return FALSE;
+
item_num = e_icon_bar_find_item_at_position (ibitem->icon_bar,
event->button.x,
event->button.y,
diff --git a/widgets/shortcut-bar/e-icon-bar.c b/widgets/shortcut-bar/e-icon-bar.c
index 731c584fbe..dae19b6590 100644
--- a/widgets/shortcut-bar/e-icon-bar.c
+++ b/widgets/shortcut-bar/e-icon-bar.c
@@ -123,6 +123,8 @@ static void e_icon_bar_on_editing_stopped (EIconBar *icon_bar,
GnomeCanvasItem *item);
static void e_icon_bar_ensure_edited_item_visible (EIconBar *icon_bar);
static void e_icon_bar_update_highlight (EIconBar *icon_bar);
+static void e_icon_bar_vadjustment_value_changed (GtkAdjustment *adjustment,
+ EIconBar *icon_bar);
enum
{
@@ -232,6 +234,7 @@ e_icon_bar_init (EIconBar *icon_bar)
icon_bar->text_x = 0;
icon_bar->text_w = 5;
icon_bar->auto_scroll_timeout_id = 0;
+ icon_bar->vadjustment_value_changed_id = 0;
/* Create the background item in the canvas, which handles selections
and drag-and-drop. */
@@ -338,6 +341,8 @@ e_icon_bar_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
e_icon_bar_ensure_edited_item_visible (icon_bar);
GTK_LAYOUT (widget)->vadjustment->step_increment = 16;
+ if (icon_bar->vadjustment_value_changed_id == 0)
+ icon_bar->vadjustment_value_changed_id = gtk_signal_connect (GTK_OBJECT (GTK_LAYOUT (widget)->vadjustment), "value_changed", GTK_SIGNAL_FUNC (e_icon_bar_vadjustment_value_changed), icon_bar);
e_icon_bar_update_highlight (icon_bar);
}
@@ -957,6 +962,9 @@ e_icon_bar_on_item_event (GnomeCanvasItem *item,
switch (event->type) {
case GDK_BUTTON_PRESS:
+ if (event->button.button == 4 || event->button.button == 5)
+ return FALSE;
+
item_num = e_icon_bar_find_item_at_position (icon_bar,
event->button.x,
event->button.y,
@@ -1448,6 +1456,8 @@ e_icon_bar_update_highlight (EIconBar *icon_bar)
|| x > widget->allocation.width || y > widget->allocation.height)
return;
+ x += icon_bar->canvas.parent.layout.hadjustment->value;
+ y += icon_bar->canvas.parent.layout.vadjustment->value;
item_num = e_icon_bar_find_item_at_position (icon_bar, x, y, NULL);
e_icon_bar_item_motion (icon_bar, item_num, NULL);
}
@@ -1577,3 +1587,12 @@ e_icon_bar_timeout_handler (gpointer data)
GDK_THREADS_LEAVE ();
return TRUE;
}
+
+
+static void
+e_icon_bar_vadjustment_value_changed (GtkAdjustment *adjustment,
+ EIconBar *icon_bar)
+{
+ e_icon_bar_update_highlight (icon_bar);
+}
+
diff --git a/widgets/shortcut-bar/e-icon-bar.h b/widgets/shortcut-bar/e-icon-bar.h
index 8ca458410a..72d64ad890 100644
--- a/widgets/shortcut-bar/e-icon-bar.h
+++ b/widgets/shortcut-bar/e-icon-bar.h
@@ -144,6 +144,9 @@ struct _EIconBar
/* Colors for drawing. */
GdkColor colors[E_ICON_BAR_COLOR_LAST];
+
+ /* Signal connection id for "value_changed" signal of vadjustment. */
+ guint vadjustment_value_changed_id;
};
struct _EIconBarClass
diff --git a/widgets/shortcut-bar/e-vscrolled-bar.c b/widgets/shortcut-bar/e-vscrolled-bar.c
index af23b38a21..ed574f5cbf 100644
--- a/widgets/shortcut-bar/e-vscrolled-bar.c
+++ b/widgets/shortcut-bar/e-vscrolled-bar.c
@@ -53,6 +53,10 @@ static void e_vscrolled_bar_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void e_vscrolled_bar_draw (GtkWidget *widget,
GdkRectangle *area);
+static gint e_vscrolled_bar_button_press (GtkWidget *widget,
+ GdkEventButton *event);
+static gint e_vscrolled_bar_button_release (GtkWidget *widget,
+ GdkEventButton *event);
static void e_vscrolled_bar_add (GtkContainer *container,
GtkWidget *child);
static void e_vscrolled_bar_remove (GtkContainer *container,
@@ -121,6 +125,8 @@ e_vscrolled_bar_class_init (EVScrolledBarClass *class)
widget_class->size_request = e_vscrolled_bar_size_request;
widget_class->size_allocate = e_vscrolled_bar_size_allocate;
widget_class->draw = e_vscrolled_bar_draw;
+ widget_class->button_press_event = e_vscrolled_bar_button_press;
+ widget_class->button_release_event = e_vscrolled_bar_button_release;
container_class->add = e_vscrolled_bar_add;
container_class->remove = e_vscrolled_bar_remove;
@@ -399,6 +405,55 @@ e_vscrolled_bar_draw (GtkWidget *widget,
}
+static gint
+e_vscrolled_bar_button_press (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ EVScrolledBar *vscrolled_bar;
+ GtkAdjustment *adjustment;
+ gfloat new_value, step;
+
+ g_print ("In e_vscrolled_bar_button_press\n");
+
+ vscrolled_bar = E_VSCROLLED_BAR (widget);
+ adjustment = vscrolled_bar->adjustment;
+
+ step = adjustment->page_size;
+
+ if (event->button == 4) {
+ new_value = adjustment->value - step;
+ if (new_value <= adjustment->lower) {
+ new_value = adjustment->lower;
+ }
+ } else if (event->button == 5) {
+ new_value = adjustment->value + step;
+ if (new_value >= adjustment->upper - adjustment->page_size) {
+ new_value = adjustment->upper - adjustment->page_size;
+ }
+ } else
+ return FALSE;
+
+ if (adjustment->value != new_value) {
+ adjustment->value = new_value;
+ gtk_signal_emit_by_name (GTK_OBJECT (adjustment),
+ "value_changed");
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gint
+e_vscrolled_bar_button_release (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ g_print ("In e_vscrolled_bar_button_release\n");
+
+ return FALSE;
+}
+
+
+
static void
e_vscrolled_bar_add (GtkContainer *container,
GtkWidget *child)