gtk2/gtk/gtkcheckbutton.c
Tim Janik a303493882 applied patch to fix draw_indicator behaviour from Lars Hamann and Stefan
Tue Feb 17 05:41:31 1998  Tim Janik  <timj@gimp.org>

        * gtk/gtkcheckbutton.c:
        * gtk/gtkradiobutton.c:
        * gtk/gtktogglebutton.c:
          applied patch to fix draw_indicator behaviour from Lars Hamann
          and Stefan Jeske.

        * gtk/gtkmain.h:
        * gtk/gtkmain.c (gtk_grab_get_current): new function
          that returns the current grab widget or NULL.

        * gdk/gdkwindow.c (gdk_window_shape_combine_mask): remove
          shape mask if mask==NULL (provided by Stefan Wille).
1998-02-17 06:03:40 +00:00

380 lines
11 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "gtkcheckbutton.h"
#include "gtklabel.h"
#define INDICATOR_SIZE 10
#define INDICATOR_SPACING 2
#define CHECK_BUTTON_CLASS(w) GTK_CHECK_BUTTON_CLASS (GTK_OBJECT (w)->klass)
static void gtk_check_button_class_init (GtkCheckButtonClass *klass);
static void gtk_check_button_init (GtkCheckButton *check_button);
static void gtk_check_button_draw (GtkWidget *widget,
GdkRectangle *area);
static void gtk_check_button_draw_focus (GtkWidget *widget);
static void gtk_check_button_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void gtk_check_button_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static gint gtk_check_button_expose (GtkWidget *widget,
GdkEventExpose *event);
static void gtk_check_button_draw_indicator (GtkCheckButton *check_button,
GdkRectangle *area);
static void gtk_real_check_button_draw_indicator (GtkCheckButton *check_button,
GdkRectangle *area);
static GtkToggleButtonClass *parent_class = NULL;
guint
gtk_check_button_get_type ()
{
static guint check_button_type = 0;
if (!check_button_type)
{
GtkTypeInfo check_button_info =
{
"GtkCheckButton",
sizeof (GtkCheckButton),
sizeof (GtkCheckButtonClass),
(GtkClassInitFunc) gtk_check_button_class_init,
(GtkObjectInitFunc) gtk_check_button_init,
(GtkArgSetFunc) NULL,
(GtkArgGetFunc) NULL,
};
check_button_type = gtk_type_unique (gtk_toggle_button_get_type (), &check_button_info);
}
return check_button_type;
}
static void
gtk_check_button_class_init (GtkCheckButtonClass *class)
{
GtkWidgetClass *widget_class;
widget_class = (GtkWidgetClass*) class;
parent_class = gtk_type_class (gtk_toggle_button_get_type ());
widget_class->draw = gtk_check_button_draw;
widget_class->draw_focus = gtk_check_button_draw_focus;
widget_class->size_request = gtk_check_button_size_request;
widget_class->size_allocate = gtk_check_button_size_allocate;
widget_class->expose_event = gtk_check_button_expose;
class->indicator_size = INDICATOR_SIZE;
class->indicator_spacing = INDICATOR_SPACING;
class->draw_indicator = gtk_real_check_button_draw_indicator;
}
static void
gtk_check_button_init (GtkCheckButton *check_button)
{
check_button->toggle_button.draw_indicator = TRUE;
}
GtkWidget*
gtk_check_button_new ()
{
return GTK_WIDGET (gtk_type_new (gtk_check_button_get_type ()));
}
GtkWidget*
gtk_check_button_new_with_label (const gchar *label)
{
GtkWidget *check_button;
GtkWidget *label_widget;
check_button = gtk_check_button_new ();
label_widget = gtk_label_new (label);
gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
gtk_container_add (GTK_CONTAINER (check_button), label_widget);
gtk_widget_show (label_widget);
return check_button;
}
static void
gtk_check_button_draw (GtkWidget *widget,
GdkRectangle *area)
{
GtkButton *button;
GtkCheckButton *check_button;
GdkRectangle child_area;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CHECK_BUTTON (widget));
g_return_if_fail (area != NULL);
if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_MAPPED (widget))
{
check_button = GTK_CHECK_BUTTON (widget);
if (check_button->toggle_button.draw_indicator)
{
button = GTK_BUTTON (widget);
gtk_check_button_draw_indicator (check_button, area);
if (button->child && GTK_WIDGET_NO_WINDOW (button->child) &&
gtk_widget_intersect (button->child, area, &child_area))
gtk_widget_draw (button->child, &child_area);
gtk_widget_draw_focus (widget);
}
else
{
if (GTK_WIDGET_CLASS (parent_class)->draw)
(* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
}
}
}
static void
gtk_check_button_draw_focus (GtkWidget *widget)
{
GtkCheckButton *check_button;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CHECK_BUTTON (widget));
if (GTK_WIDGET_DRAWABLE (widget))
{
check_button = GTK_CHECK_BUTTON (widget);
if (check_button->toggle_button.draw_indicator)
{
gint border_width;
border_width = GTK_CONTAINER (widget)->border_width;
if (GTK_WIDGET_HAS_FOCUS (widget))
gdk_draw_rectangle (widget->window,
widget->style->black_gc, FALSE,
border_width, border_width,
widget->allocation.width - 2 * border_width - 1,
widget->allocation.height - 2 * border_width - 1);
else
gdk_draw_rectangle (widget->window,
widget->style->bg_gc[GTK_STATE_NORMAL], FALSE,
border_width, border_width,
widget->allocation.width - 2 * border_width - 1,
widget->allocation.height - 2 * border_width - 1);
}
else
{
if (GTK_WIDGET_CLASS (parent_class)->draw_focus)
(* GTK_WIDGET_CLASS (parent_class)->draw_focus) (widget);
}
}
}
static void
gtk_check_button_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkCheckButton *check_button;
GtkButton *button;
gint temp;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CHECK_BUTTON (widget));
g_return_if_fail (requisition != NULL);
check_button = GTK_CHECK_BUTTON (widget);
if (GTK_WIDGET_CLASS (parent_class)->size_request)
(* GTK_WIDGET_CLASS (parent_class)->size_request) (widget, requisition);
if (check_button->toggle_button.draw_indicator)
{
button = GTK_BUTTON (widget);
requisition->width += (CHECK_BUTTON_CLASS (widget)->indicator_size +
CHECK_BUTTON_CLASS (widget)->indicator_spacing * 3 + 2);
temp = (CHECK_BUTTON_CLASS (widget)->indicator_size +
CHECK_BUTTON_CLASS (widget)->indicator_spacing * 2);
requisition->height = MAX (requisition->height, temp) + 2;
}
}
static void
gtk_check_button_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkCheckButton *check_button;
GtkButton *button;
GtkAllocation child_allocation;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CHECK_BUTTON (widget));
g_return_if_fail (allocation != NULL);
check_button = GTK_CHECK_BUTTON (widget);
if (check_button->toggle_button.draw_indicator)
{
widget->allocation = *allocation;
if (GTK_WIDGET_REALIZED (widget))
gdk_window_move_resize (widget->window,
allocation->x, allocation->y,
allocation->width, allocation->height);
button = GTK_BUTTON (widget);
if (button->child && GTK_WIDGET_VISIBLE (button->child))
{
child_allocation.x = (GTK_CONTAINER (widget)->border_width +
CHECK_BUTTON_CLASS (widget)->indicator_size +
CHECK_BUTTON_CLASS (widget)->indicator_spacing * 3 + 1);
child_allocation.y = GTK_CONTAINER (widget)->border_width + 1;
child_allocation.width = (allocation->width - child_allocation.x -
GTK_CONTAINER (widget)->border_width - 1);
child_allocation.height = allocation->height - child_allocation.y * 2;
gtk_widget_size_allocate (button->child, &child_allocation);
}
}
else
{
if (GTK_WIDGET_CLASS (parent_class)->size_allocate)
(* GTK_WIDGET_CLASS (parent_class)->size_allocate) (widget, allocation);
}
}
static gint
gtk_check_button_expose (GtkWidget *widget,
GdkEventExpose *event)
{
GtkButton *button;
GtkCheckButton *check_button;
GdkEventExpose child_event;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_CHECK_BUTTON (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_MAPPED (widget))
{
check_button = GTK_CHECK_BUTTON (widget);
if (check_button->toggle_button.draw_indicator)
{
button = GTK_BUTTON (widget);
gtk_check_button_draw_indicator (check_button, &event->area);
child_event = *event;
if (button->child && GTK_WIDGET_NO_WINDOW (button->child) &&
gtk_widget_intersect (button->child, &event->area, &child_event.area))
gtk_widget_event (button->child, (GdkEvent*) &child_event);
gtk_widget_draw_focus (widget);
}
else
{
if (GTK_WIDGET_CLASS (parent_class)->expose_event)
(* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
}
}
return FALSE;
}
static void
gtk_check_button_draw_indicator (GtkCheckButton *check_button,
GdkRectangle *area)
{
GtkCheckButtonClass *class;
g_return_if_fail (check_button != NULL);
g_return_if_fail (GTK_IS_CHECK_BUTTON (check_button));
g_return_if_fail (CHECK_BUTTON_CLASS (check_button) != NULL);
class = CHECK_BUTTON_CLASS (check_button);
if (class->draw_indicator)
(* class->draw_indicator) (check_button, area);
}
static void
gtk_real_check_button_draw_indicator (GtkCheckButton *check_button,
GdkRectangle *area)
{
GtkWidget *widget;
GtkToggleButton *toggle_button;
GtkStateType state_type;
GtkShadowType shadow_type;
GdkRectangle restrict_area;
GdkRectangle new_area;
gint width, height;
gint x, y;
g_return_if_fail (check_button != NULL);
g_return_if_fail (GTK_IS_CHECK_BUTTON (check_button));
if (GTK_WIDGET_DRAWABLE (check_button))
{
widget = GTK_WIDGET (check_button);
toggle_button = GTK_TOGGLE_BUTTON (check_button);
state_type = GTK_WIDGET_STATE (widget);
if ((state_type != GTK_STATE_NORMAL) &&
(state_type != GTK_STATE_PRELIGHT))
state_type = GTK_STATE_NORMAL;
restrict_area.x = GTK_CONTAINER (widget)->border_width;
restrict_area.y = restrict_area.x;
restrict_area.width = widget->allocation.width - restrict_area.x * 2;
restrict_area.height = widget->allocation.height - restrict_area.x * 2;
if (gdk_rectangle_intersect (area, &restrict_area, &new_area))
{
gtk_style_set_background (widget->style, widget->window, state_type);
gdk_window_clear_area (widget->window, new_area.x, new_area.y,
new_area.width, new_area.height);
}
x = CHECK_BUTTON_CLASS (widget)->indicator_spacing + GTK_CONTAINER (widget)->border_width;
y = (widget->allocation.height - CHECK_BUTTON_CLASS (widget)->indicator_size) / 2;
width = CHECK_BUTTON_CLASS (widget)->indicator_size;
height = CHECK_BUTTON_CLASS (widget)->indicator_size;
if (GTK_WIDGET_STATE (widget) == GTK_STATE_ACTIVE)
shadow_type = GTK_SHADOW_IN;
else if ((GTK_WIDGET_STATE (widget) == GTK_STATE_PRELIGHT) && toggle_button->active)
shadow_type = GTK_SHADOW_IN;
else
shadow_type = GTK_SHADOW_OUT;
gdk_draw_rectangle (widget->window,
widget->style->bg_gc[GTK_WIDGET_STATE (widget)],
TRUE, x + 1, y + 1, width, height);
gtk_draw_shadow (widget->style, widget->window,
GTK_WIDGET_STATE (widget), shadow_type,
x + 1, y + 1, width, height);
}
}