libs/gtkutil/paned.cpp

   1 /*
   2 Copyright (C) 2001-2006, William Joseph.
   3 All Rights Reserved.
   4
   5 This file is part of GtkRadiant.
   6
   7 GtkRadiant is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 GtkRadiant is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GtkRadiant; if not, write to the Free Software
  19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20 */
  21
  22 #include "paned.h"
  23
  24 #include <gtk/gtkhpaned.h>
  25 #include <gtk/gtkvpaned.h>
  26
  27 #include "frame.h"
  28
  29
  30 class PanedState
  31 {
  32 public:
  33   float position;
  34   int size;
  35 };
  36
  37 gboolean hpaned_allocate(GtkWidget* widget, GtkAllocation* allocation, PanedState* paned)
  38 {
  39   if(paned->size != allocation->width)
  40   {
  41     paned->size = allocation->width;
  42     gtk_paned_set_position (GTK_PANED (widget), static_cast<int>(paned->size * paned->position));
  43   }
  44   return FALSE;
  45 }
  46
  47 gboolean vpaned_allocate(GtkWidget* widget, GtkAllocation* allocation, PanedState* paned)
  48 {
  49   if(paned->size != allocation->height)
  50   {
  51     paned->size = allocation->height;
  52     gtk_paned_set_position (GTK_PANED (widget), static_cast<int>(paned->size * paned->position));
  53   }
  54   return FALSE;
  55 }
  56
  57 gboolean paned_position(GtkWidget* widget, gpointer dummy, PanedState* paned)
  58 {
  59   if(paned->size != -1)
  60     paned->position = gtk_paned_get_position (GTK_PANED (widget)) / static_cast<float>(paned->size);
  61   return FALSE;
  62 }
  63
  64 PanedState g_hpaned = { 0.5f, -1, };
  65 PanedState g_vpaned1 = { 0.5f, -1, };
  66 PanedState g_vpaned2 = { 0.5f, -1, };
  67
  68 GtkHPaned* create_split_views(GtkWidget* topleft, GtkWidget* topright, GtkWidget* botleft, GtkWidget* botright)
  69 {
  70   GtkHPaned* hsplit = GTK_HPANED(gtk_hpaned_new());
  71   gtk_widget_show(GTK_WIDGET(hsplit));
  72
  73   g_signal_connect(G_OBJECT(hsplit), "size_allocate", G_CALLBACK(hpaned_allocate), &g_hpaned);
  74   g_signal_connect(G_OBJECT(hsplit), "notify::position", G_CALLBACK(paned_position), &g_hpaned);
  75
  76   {
  77     GtkVPaned* vsplit = GTK_VPANED(gtk_vpaned_new());
  78     gtk_paned_add1(GTK_PANED(hsplit), GTK_WIDGET(vsplit));
  79     gtk_widget_show(GTK_WIDGET(vsplit));
  80
  81     g_signal_connect(G_OBJECT(vsplit), "size_allocate", G_CALLBACK(vpaned_allocate), &g_vpaned1);
  82     g_signal_connect(G_OBJECT(vsplit), "notify::position", G_CALLBACK(paned_position), &g_vpaned1);
  83
  84     gtk_paned_add1(GTK_PANED(vsplit), GTK_WIDGET(create_framed_widget(topleft)));
  85     gtk_paned_add2(GTK_PANED(vsplit), GTK_WIDGET(create_framed_widget(topright)));
  86   }
  87   {
  88     GtkVPaned* vsplit = GTK_VPANED(gtk_vpaned_new());
  89     gtk_paned_add2(GTK_PANED(hsplit), GTK_WIDGET(vsplit));
  90     gtk_widget_show(GTK_WIDGET(vsplit));
  91
  92     g_signal_connect(G_OBJECT(vsplit), "size_allocate", G_CALLBACK(vpaned_allocate), &g_vpaned2);
  93     g_signal_connect(G_OBJECT(vsplit), "notify::position", G_CALLBACK(paned_position), &g_vpaned2);
  94
  95     gtk_paned_add1(GTK_PANED(vsplit), GTK_WIDGET(create_framed_widget(botleft)));
  96     gtk_paned_add2(GTK_PANED(vsplit), GTK_WIDGET(create_framed_widget(botright)));
  97   }
  98   return hsplit;
  99 }
 100