]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtkvpaned.c
Changes to gtktreeview to better support thicker focus lines,
[~andy/gtk] / gtk / gtkvpaned.c
index ed52a76bc3405f86d51920d392f41afd28a19b9f..5cfd4b69816ec18f7be5aae0466cb0ea49494c46 100644 (file)
@@ -2,44 +2,50 @@
  * 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)
     {
@@ -51,11 +57,11 @@ gtk_vpaned_get_type (void)
        (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;
@@ -66,11 +72,12 @@ gtk_vpaned_class_init (GtkVPanedClass *class)
 {
   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;
@@ -79,14 +86,22 @@ gtk_vpaned_class_init (GtkVPanedClass *class)
 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);
 }
@@ -95,148 +110,125 @@ static void
 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);
     }
 }
 
@@ -246,40 +238,42 @@ gtk_vpaned_xor_line (GtkPaned *paned)
   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))
@@ -288,29 +282,29 @@ gtk_vpaned_button_press (GtkWidget *widget, GdkEventButton *event)
       /* 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))
     {
@@ -319,35 +313,35 @@ gtk_vpaned_button_release (GtkWidget *widget, GdkEventButton *event)
       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);
     }