* 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
+ * modify it under the terms of the GNU Lesser 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.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
#include "gtkvpaned.h"
-#include "gtkmain.h"
-#include "gtksignal.h"
-
-static void gtk_vpaned_class_init (GtkVPanedClass *klass);
-static void gtk_vpaned_init (GtkVPaned *vpaned);
-static void gtk_vpaned_size_request (GtkWidget *widget,
- GtkRequisition *requisition);
-static void gtk_vpaned_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation);
-static void gtk_vpaned_draw (GtkWidget *widget,
- GdkRectangle *area);
-static void gtk_vpaned_xor_line (GtkPaned *paned);
-static gint gtk_vpaned_button_press (GtkWidget *widget,
- GdkEventButton *event);
-static gint gtk_vpaned_button_release (GtkWidget *widget,
- GdkEventButton *event);
-static gint gtk_vpaned_motion (GtkWidget *widget,
- GdkEventMotion *event);
-
-guint
+
+static void gtk_vpaned_class_init (GtkVPanedClass *klass);
+static void gtk_vpaned_init (GtkVPaned *vpaned);
+static void gtk_vpaned_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void gtk_vpaned_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static void gtk_vpaned_xor_line (GtkPaned *paned);
+static gboolean gtk_vpaned_button_press (GtkWidget *widget,
+ GdkEventButton *event);
+static gboolean gtk_vpaned_button_release (GtkWidget *widget,
+ GdkEventButton *event);
+static gboolean gtk_vpaned_motion (GtkWidget *widget,
+ GdkEventMotion *event);
+
+static gpointer parent_class;
+
+GtkType
gtk_vpaned_get_type (void)
{
- static guint vpaned_type = 0;
+ static GtkType vpaned_type = 0;
if (!vpaned_type)
{
(GtkClassInitFunc) gtk_vpaned_class_init,
(GtkObjectInitFunc) gtk_vpaned_init,
/* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
};
- vpaned_type = gtk_type_unique (gtk_paned_get_type (), &vpaned_info);
+ vpaned_type = gtk_type_unique (GTK_TYPE_PANED, &vpaned_info);
}
return vpaned_type;
{
GtkWidgetClass *widget_class;
- widget_class = (GtkWidgetClass*) class;
+ parent_class = gtk_type_class (GTK_TYPE_PANED);
+
+ widget_class = (GtkWidgetClass *) class;
widget_class->size_request = gtk_vpaned_size_request;
widget_class->size_allocate = gtk_vpaned_size_allocate;
- widget_class->draw = gtk_vpaned_draw;
widget_class->button_press_event = gtk_vpaned_button_press;
widget_class->button_release_event = gtk_vpaned_button_release;
widget_class->motion_notify_event = gtk_vpaned_motion;
static void
gtk_vpaned_init (GtkVPaned *vpaned)
{
+ GtkPaned *paned;
+
+ g_return_if_fail (GTK_IS_PANED (vpaned));
+
+ paned = GTK_PANED (vpaned);
+
+ paned->cursor_type = GDK_SB_V_DOUBLE_ARROW;
+ paned->orientation = GTK_ORIENTATION_HORIZONTAL;
}
-GtkWidget*
+GtkWidget *
gtk_vpaned_new (void)
{
GtkVPaned *vpaned;
- vpaned = gtk_type_new (gtk_vpaned_get_type ());
+ vpaned = gtk_type_new (GTK_TYPE_VPANED);
return GTK_WIDGET (vpaned);
}
gtk_vpaned_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
- GtkPaned *paned;
+ GtkPaned *paned = GTK_PANED (widget);
+ GtkRequisition child_requisition;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_VPANED (widget));
- g_return_if_fail (requisition != NULL);
-
- paned = GTK_PANED (widget);
requisition->width = 0;
requisition->height = 0;
if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1))
{
- gtk_widget_size_request (paned->child1, &paned->child1->requisition);
+ gtk_widget_size_request (paned->child1, &child_requisition);
- requisition->height = paned->child1->requisition.height;
- requisition->width = paned->child1->requisition.width;
+ requisition->height = child_requisition.height;
+ requisition->width = child_requisition.width;
}
if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
{
- gtk_widget_size_request (paned->child2, &paned->child2->requisition);
+ gtk_widget_size_request (paned->child2, &child_requisition);
- requisition->width = MAX (requisition->width,
- paned->child2->requisition.width);
- requisition->height += paned->child2->requisition.height;
+ requisition->width = MAX (requisition->width, child_requisition.width);
+ requisition->height += child_requisition.height;
}
- requisition->height += GTK_CONTAINER (paned)->border_width * 2 + paned->gutter_size;
+ requisition->height += GTK_CONTAINER (paned)->border_width * 2;
requisition->width += GTK_CONTAINER (paned)->border_width * 2;
+
+ if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) &&
+ paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
+ {
+ gint handle_size;
+
+ gtk_widget_style_get (widget, "handle_size", &handle_size, NULL);
+ requisition->height += handle_size;
+ }
}
static void
gtk_vpaned_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
- GtkPaned *paned;
- GtkAllocation child1_allocation;
- GtkAllocation child2_allocation;
- guint16 border_width;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_VPANED (widget));
- g_return_if_fail (allocation != NULL);
+ GtkPaned *paned = GTK_PANED (widget);
+ gint border_width = GTK_CONTAINER (paned)->border_width;
widget->allocation = *allocation;
- paned = GTK_PANED (widget);
- border_width = GTK_CONTAINER (widget)->border_width;
-
- gtk_paned_compute_position (paned,
- widget->allocation.height
- - paned->gutter_size
- - 2 * border_width,
- paned->child1->requisition.height,
- paned->child2->requisition.height);
-
- /* Move the handle before the children so we don't get extra expose events */
-
- paned->handle_xpos = allocation->width - border_width - 2 * paned->handle_size;
- paned->handle_ypos = paned->child1_size + border_width + paned->gutter_size / 2 - paned->handle_size / 2;
-
- if (GTK_WIDGET_REALIZED (widget))
+ if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) &&
+ paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
{
- gdk_window_move_resize (widget->window,
- allocation->x, allocation->y,
- allocation->width, allocation->height);
+ GtkRequisition child1_requisition;
+ GtkRequisition child2_requisition;
+ GtkAllocation child1_allocation;
+ GtkAllocation child2_allocation;
+ gint handle_size;
- gdk_window_move (paned->handle, paned->handle_xpos, paned->handle_ypos);
- }
-
- if (GTK_WIDGET_MAPPED (widget))
- {
- gdk_window_clear_area (widget->window,
- paned->groove_rectangle.x,
- paned->groove_rectangle.y,
- paned->groove_rectangle.width,
- paned->groove_rectangle.height);
- }
-
- child1_allocation.width = child2_allocation.width = MAX (1, allocation->width - border_width * 2);
- child1_allocation.height = paned->child1_size;
- child1_allocation.x = child2_allocation.x = border_width;
- child1_allocation.y = border_width;
-
- paned->groove_rectangle.y = child1_allocation.y
- + child1_allocation.height + paned->gutter_size / 2 - 1;
- paned->groove_rectangle.x = 0;
- paned->groove_rectangle.height = 2;
- paned->groove_rectangle.width = allocation->width;
-
- child2_allocation.y = paned->groove_rectangle.y + paned->gutter_size / 2 + 1;
- child2_allocation.height = MAX (1, allocation->height
- - child2_allocation.y - border_width);
-
- /* Now allocate the childen, making sure, when resizing not to
- * overlap the windows */
- if (GTK_WIDGET_MAPPED(widget) &&
- paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) &&
- paned->child1->allocation.height < child1_allocation.height)
- {
- if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
- gtk_widget_size_allocate (paned->child2, &child2_allocation);
- gtk_widget_size_allocate (paned->child1, &child1_allocation);
+ gtk_widget_style_get (widget, "handle_size", &handle_size, NULL);
+
+ gtk_widget_get_child_requisition (paned->child1, &child1_requisition);
+ gtk_widget_get_child_requisition (paned->child2, &child2_requisition);
+
+ gtk_paned_compute_position (paned,
+ MAX (1, widget->allocation.height
+ - handle_size
+ - 2 * border_width),
+ child1_requisition.height,
+ child2_requisition.height);
+
+ paned->handle_pos.x = widget->allocation.x + border_width;
+ paned->handle_pos.y = widget->allocation.y + paned->child1_size + border_width;
+ paned->handle_pos.width = MAX (1, (gint) widget->allocation.width - 2 * border_width);
+ paned->handle_pos.height = handle_size;
+
+ if (GTK_WIDGET_REALIZED(widget))
+ {
+ gdk_window_show (paned->handle);
+ gdk_window_move_resize (paned->handle,
+ paned->handle_pos.x,
+ paned->handle_pos.y,
+ paned->handle_pos.width,
+ handle_size);
+ }
+
+ child1_allocation.width = child2_allocation.width = MAX (1, (gint) allocation->width - border_width * 2);
+ child1_allocation.height = paned->child1_size;
+ child1_allocation.x = child2_allocation.x = widget->allocation.x + border_width;
+ child1_allocation.y = widget->allocation.y + border_width;
+
+ child2_allocation.y = child1_allocation.y + child1_allocation.height + paned->handle_pos.height;
+ child2_allocation.height = MAX (1, widget->allocation.y + widget->allocation.height - child2_allocation.y - border_width);
+
+ /* Now allocate the childen, making sure, when resizing not to
+ * overlap the windows
+ */
+ if (GTK_WIDGET_MAPPED (widget) &&
+ paned->child1->allocation.height < child1_allocation.height)
+ {
+ gtk_widget_size_allocate (paned->child2, &child2_allocation);
+ gtk_widget_size_allocate (paned->child1, &child1_allocation);
+ }
+ else
+ {
+ gtk_widget_size_allocate (paned->child1, &child1_allocation);
+ gtk_widget_size_allocate (paned->child2, &child2_allocation);
+ }
}
else
{
+ GtkAllocation child_allocation;
+
+ if (GTK_WIDGET_REALIZED (widget))
+ gdk_window_hide (paned->handle);
+
+ child_allocation.x = widget->allocation.x + border_width;
+ child_allocation.y = widget->allocation.y + border_width;
+ child_allocation.width = MAX (1, allocation->width - 2 * border_width);
+ child_allocation.height = MAX (1, allocation->height - 2 * border_width);
+
if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1))
- gtk_widget_size_allocate (paned->child1, &child1_allocation);
- if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
- gtk_widget_size_allocate (paned->child2, &child2_allocation);
- }
-}
-
-static void
-gtk_vpaned_draw (GtkWidget *widget,
- GdkRectangle *area)
-{
- GtkPaned *paned;
- GdkRectangle child_area;
- guint16 border_width;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_PANED (widget));
-
- if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_MAPPED (widget))
- {
- paned = GTK_PANED (widget);
- border_width = GTK_CONTAINER (paned)->border_width;
-
- gdk_window_clear_area (widget->window,
- area->x, area->y, area->width, area->height);
- if (paned->child1 &&
- gtk_widget_intersect (paned->child1, area, &child_area))
- gtk_widget_draw (paned->child1, &child_area);
- if (paned->child2 &&
- gtk_widget_intersect (paned->child2, area, &child_area))
- gtk_widget_draw (paned->child2, &child_area);
-
- gtk_paint_hline(widget->style, widget->window, GTK_STATE_NORMAL,
- area, widget, "vpaned",
- 0, widget->allocation.width - 1,
- border_width + paned->child1_size + paned->gutter_size / 2 - 1);
+ gtk_widget_size_allocate (paned->child1, &child_allocation);
+ else if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
+ gtk_widget_size_allocate (paned->child2, &child_allocation);
}
}
GtkWidget *widget;
GdkGCValues values;
guint16 ypos;
+ gint handle_size;
+
+ widget = GTK_WIDGET (paned);
- widget = GTK_WIDGET(paned);
+ gtk_widget_style_get (widget, "handle_size", &handle_size, NULL);
if (!paned->xor_gc)
{
- values.foreground = widget->style->white;
- values.function = GDK_XOR;
+ values.function = GDK_INVERT;
values.subwindow_mode = GDK_INCLUDE_INFERIORS;
paned->xor_gc = gdk_gc_new_with_values (widget->window,
&values,
- GDK_GC_FOREGROUND |
- GDK_GC_FUNCTION |
- GDK_GC_SUBWINDOW);
+ GDK_GC_FUNCTION | GDK_GC_SUBWINDOW);
}
- ypos = paned->child1_size
- + GTK_CONTAINER (paned)->border_width + paned->gutter_size / 2;
+ gdk_gc_set_line_attributes (paned->xor_gc, 2, GDK_LINE_SOLID,
+ GDK_CAP_NOT_LAST, GDK_JOIN_BEVEL);
+
+ ypos = widget->allocation.y + paned->child1_size
+ + GTK_CONTAINER (paned)->border_width + handle_size / 2;
gdk_draw_line (widget->window, paned->xor_gc,
- 0,
+ widget->allocation.x,
ypos,
- widget->allocation.width - 1,
+ widget->allocation.x + widget->allocation.width - 1,
ypos);
}
-static gint
-gtk_vpaned_button_press (GtkWidget *widget, GdkEventButton *event)
+static gboolean
+gtk_vpaned_button_press (GtkWidget *widget,
+ GdkEventButton *event)
{
- GtkPaned *paned;
-
- g_return_val_if_fail (widget != NULL,FALSE);
- g_return_val_if_fail (GTK_IS_PANED (widget),FALSE);
+ GtkPaned *paned = GTK_PANED (widget);
+ gint handle_size;
- paned = GTK_PANED (widget);
+ gtk_widget_style_get (widget, "handle_size", &handle_size, NULL);
if (!paned->in_drag &&
(event->window == paned->handle) && (event->button == 1))
/* We need a server grab here, not gtk_grab_add(), since
* we don't want to pass events on to the widget's children */
gdk_pointer_grab (paned->handle, FALSE,
- GDK_POINTER_MOTION_HINT_MASK
- | GDK_BUTTON1_MOTION_MASK
- | GDK_BUTTON_RELEASE_MASK,
- NULL, NULL, event->time);
- paned->child1_size += event->y - paned->handle_size / 2;
+ GDK_POINTER_MOTION_HINT_MASK
+ | GDK_BUTTON1_MOTION_MASK
+ | GDK_BUTTON_RELEASE_MASK, NULL, NULL,
+ event->time);
+ paned->child1_size += event->y - handle_size / 2;
paned->child1_size = CLAMP (paned->child1_size, 0,
- widget->allocation.height - paned->gutter_size
- - 2 * GTK_CONTAINER (paned)->border_width);
- gtk_vpaned_xor_line (paned);
+ widget->allocation.height -
+ handle_size -
+ 2 * GTK_CONTAINER (paned)->border_width);
+ gtk_vpaned_xor_line(paned);
+
+ return TRUE;
}
- return TRUE;
+ return FALSE;
}
-static gint
-gtk_vpaned_button_release (GtkWidget *widget, GdkEventButton *event)
+static gboolean
+gtk_vpaned_button_release (GtkWidget *widget,
+ GdkEventButton *event)
{
- GtkPaned *paned;
-
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_PANED (widget), FALSE);
-
- paned = GTK_PANED (widget);
+ GtkPaned *paned = GTK_PANED (widget);
+ GObject *object = G_OBJECT (widget);
if (paned->in_drag && (event->button == 1))
{
paned->position_set = TRUE;
gdk_pointer_ungrab (event->time);
gtk_widget_queue_resize (GTK_WIDGET (paned));
+ g_object_freeze_notify (object);
+ g_object_notify (object, "position");
+ g_object_notify (object, "position_set");
+ g_object_thaw_notify (object);
+
+ return TRUE;
}
- return TRUE;
+ return FALSE;
}
-static gint
-gtk_vpaned_motion (GtkWidget *widget, GdkEventMotion *event)
+static gboolean
+gtk_vpaned_motion (GtkWidget *widget,
+ GdkEventMotion *event)
{
- GtkPaned *paned;
+ GtkPaned *paned = GTK_PANED (widget);
gint y;
+ gint handle_size;
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_PANED (widget), FALSE);
+ gtk_widget_style_get (widget, "handle_size", &handle_size, NULL);
- if (event->is_hint || event->window != widget->window)
- gtk_widget_get_pointer(widget, NULL, &y);
- else
- y = event->y;
-
- paned = GTK_PANED (widget);
+ gtk_widget_get_pointer (widget, NULL, &y);
if (paned->in_drag)
{
- gint size = y - GTK_CONTAINER (paned)->border_width - paned->gutter_size/2;
-
+ gint size = y - GTK_CONTAINER (paned)->border_width - handle_size / 2;
+
gtk_vpaned_xor_line (paned);
- paned->child1_size = CLAMP (size,
- paned->min_position,
- paned->max_position);
+ paned->child1_size = CLAMP (size, paned->min_position, paned->max_position);
gtk_vpaned_xor_line (paned);
}