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         if ( paned->size != allocation->width ) {
  39                 paned->size = allocation->width;
  40                 gtk_paned_set_position( GTK_PANED( widget ), static_cast<int>( paned->size * paned->position ) );
  41         }
  42         return FALSE;
  43 }
  44
  45 gboolean vpaned_allocate( GtkWidget* widget, GtkAllocation* allocation, PanedState* paned ){
  46         if ( paned->size != allocation->height ) {
  47                 paned->size = allocation->height;
  48                 gtk_paned_set_position( GTK_PANED( widget ), static_cast<int>( paned->size * paned->position ) );
  49         }
  50         return FALSE;
  51 }
  52
  53 gboolean paned_position( GtkWidget* widget, gpointer dummy, PanedState* paned ){
  54         if ( paned->size != -1 ) {
  55                 paned->position = gtk_paned_get_position( GTK_PANED( widget ) ) / static_cast<float>( paned->size );
  56         }
  57         return FALSE;
  58 }
  59
  60 PanedState g_hpaned = { 0.5f, -1, };
  61 PanedState g_vpaned1 = { 0.5f, -1, };
  62 PanedState g_vpaned2 = { 0.5f, -1, };
  63
  64 GtkHPaned* create_split_views( GtkWidget* topleft, GtkWidget* topright, GtkWidget* botleft, GtkWidget* botright ){
  65         GtkHPaned* hsplit = GTK_HPANED( gtk_hpaned_new() );
  66         gtk_widget_show( GTK_WIDGET( hsplit ) );
  67
  68         g_signal_connect( G_OBJECT( hsplit ), "size_allocate", G_CALLBACK( hpaned_allocate ), &g_hpaned );
  69         g_signal_connect( G_OBJECT( hsplit ), "notify::position", G_CALLBACK( paned_position ), &g_hpaned );
  70
  71         {
  72                 GtkVPaned* vsplit = GTK_VPANED( gtk_vpaned_new() );
  73                 gtk_paned_add1( GTK_PANED( hsplit ), GTK_WIDGET( vsplit ) );
  74                 gtk_widget_show( GTK_WIDGET( vsplit ) );
  75
  76                 g_signal_connect( G_OBJECT( vsplit ), "size_allocate", G_CALLBACK( vpaned_allocate ), &g_vpaned1 );
  77                 g_signal_connect( G_OBJECT( vsplit ), "notify::position", G_CALLBACK( paned_position ), &g_vpaned1 );
  78
  79                 gtk_paned_add1( GTK_PANED( vsplit ), GTK_WIDGET( create_framed_widget( topleft ) ) );
  80                 gtk_paned_add2( GTK_PANED( vsplit ), GTK_WIDGET( create_framed_widget( topright ) ) );
  81         }
  82         {
  83                 GtkVPaned* vsplit = GTK_VPANED( gtk_vpaned_new() );
  84                 gtk_paned_add2( GTK_PANED( hsplit ), GTK_WIDGET( vsplit ) );
  85                 gtk_widget_show( GTK_WIDGET( vsplit ) );
  86
  87                 g_signal_connect( G_OBJECT( vsplit ), "size_allocate", G_CALLBACK( vpaned_allocate ), &g_vpaned2 );
  88                 g_signal_connect( G_OBJECT( vsplit ), "notify::position", G_CALLBACK( paned_position ), &g_vpaned2 );
  89
  90                 gtk_paned_add1( GTK_PANED( vsplit ), GTK_WIDGET( create_framed_widget( botleft ) ) );
  91                 gtk_paned_add2( GTK_PANED( vsplit ), GTK_WIDGET( create_framed_widget( botright ) ) );
  92         }
  93         return hsplit;
  94 }