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Get scrollbars out of the way of the window's resize grip

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If there are both horizontal and vertical scrollbars, there is
an unused 'corner' into which the resize grip fits. Individual
scrollbars need to be shortened and moved to make room for the
resize grip.
This commit is contained in:
Matthias Clasen 2010-10-08 01:37:33 -04:00
parent b04bceb47e
commit 8ed725bad8
1 changed files with 96 additions and 4 deletions
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100
gtk/gtkrange.c
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@ -37,6 +37,7 @@
#include "gtkrange.h"
#include "gtkscale.h"
#include "gtkscrollbar.h"
#include "gtkwindow.h"
#include "gtkprivate.h"
#include "gtkintl.h"
@ -185,6 +186,8 @@ static void gtk_range_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void gtk_range_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void gtk_range_hierarchy_changed (GtkWidget *widget,
GtkWidget *previous_toplevel);
static void gtk_range_realize (GtkWidget *widget);
static void gtk_range_unrealize (GtkWidget *widget);
static void gtk_range_map (GtkWidget *widget);
@ -215,6 +218,8 @@ static void update_slider_position (GtkRange *range,
gint mouse_x,
gint mouse_y);
static void stop_scrolling (GtkRange *range);
static gboolean modify_allocation_for_window_grip (GtkWidget *widget,
GtkAllocation *allocation);
/* Range methods */
@ -290,8 +295,9 @@ gtk_range_class_init (GtkRangeClass *class)
widget_class->destroy = gtk_range_destroy;
widget_class->size_request = gtk_range_size_request;
widget_class->size_allocate = gtk_range_size_allocate;
widget_class->hierarchy_changed = gtk_range_hierarchy_changed;
widget_class->realize = gtk_range_realize;
widget_class->unrealize = gtk_range_unrealize;
widget_class->unrealize = gtk_range_unrealize;
widget_class->map = gtk_range_map;
widget_class->unmap = gtk_range_unmap;
widget_class->draw = gtk_range_draw;
@ -1560,7 +1566,7 @@ gtk_range_size_request (GtkWidget *widget,
&stepper_spacing, NULL,
NULL, NULL);
gtk_range_calc_request (range,
gtk_range_calc_request (range,
slider_width, stepper_size,
focus_width, trough_border, stepper_spacing,
&range_rect, &border, NULL, NULL, NULL, NULL);
@ -1569,6 +1575,65 @@ gtk_range_size_request (GtkWidget *widget,
requisition->height = range_rect.height + border.top + border.bottom;
}
static gboolean
modify_allocation_for_window_grip (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkRange *range = GTK_RANGE (widget);
GtkRangePrivate *priv = range->priv;
GtkWidget *window;
GdkRectangle grip_rect;
GdkRectangle translated_rect;
gint x;
gint y;
window = gtk_widget_get_toplevel (widget);
if (!GTK_IS_WINDOW (window))
return FALSE;
if (!gtk_window_resize_grip_is_visible (GTK_WINDOW (window)))
return FALSE;
/* Get the area of the window's corner grip */
gtk_window_get_resize_grip_area (GTK_WINDOW (window), &grip_rect);
x = 0;
y = 0;
/* Translate the stepper's area into window coords */
if (gtk_widget_translate_coordinates (gtk_widget_get_parent (widget),
window,
allocation->x,
allocation->y,
&x,
&y))
{
translated_rect.x = x;
translated_rect.y = y;
translated_rect.width = allocation->width;
translated_rect.height = allocation->height;
/* If the stepper button intersects the window resize grip.. */
if (gdk_rectangle_intersect (&grip_rect, &translated_rect, NULL))
{
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
allocation->width -= grip_rect.width;
if (gtk_widget_get_direction (window) == GTK_TEXT_DIR_RTL)
allocation->x += grip_rect.width;
}
else
{
allocation->height -= grip_rect.height;
}
return TRUE;
}
}
return FALSE;
}
static void
gtk_range_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
@ -1576,6 +1641,7 @@ gtk_range_size_allocate (GtkWidget *widget,
GtkRange *range = GTK_RANGE (widget);
GtkRangePrivate *priv = range->priv;
modify_allocation_for_window_grip (widget, allocation);
gtk_widget_set_allocation (widget, allocation);
priv->recalc_marks = TRUE;
@ -1589,6 +1655,30 @@ gtk_range_size_allocate (GtkWidget *widget,
allocation->width, allocation->height);
}
static void
resize_grip_visible_changed (GObject *object,
GParamSpec *pspec,
gpointer user_data)
{
gtk_widget_queue_resize (GTK_WIDGET (user_data));
}
static void
gtk_range_hierarchy_changed (GtkWidget *widget,
GtkWidget *previous_toplevel)
{
GtkWidget *window;
if (previous_toplevel)
g_signal_handlers_disconnect_by_func (previous_toplevel,
G_CALLBACK (resize_grip_visible_changed),
widget);
window = gtk_widget_get_toplevel (widget);
if (GTK_IS_WINDOW (window))
g_signal_connect (window, "notify::resize-grip-visible",
G_CALLBACK (resize_grip_visible_changed), widget);
}
static void
gtk_range_realize (GtkWidget *widget)
{
@ -1597,10 +1687,10 @@ gtk_range_realize (GtkWidget *widget)
GtkRangePrivate *priv = range->priv;
GdkWindow *window;
GdkWindowAttr attributes;
gint attributes_mask;
gint attributes_mask;
gtk_range_calc_layout (range, priv->adjustment->value);
gtk_widget_set_realized (widget, TRUE);
window = gtk_widget_get_parent_window (widget);
@ -1608,6 +1698,8 @@ gtk_range_realize (GtkWidget *widget)
g_object_ref (window);
gtk_widget_get_allocation (widget, &allocation);
if (modify_allocation_for_window_grip (widget, &allocation))
gtk_widget_set_allocation (widget, &allocation);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = allocation.x;