src/gtk/private.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/private.cpp
   3 // Purpose:     implementation of wxGTK private functions
   4 // Author:      Marcin Malich
   5 // Modified by:
   6 // Created:     28.06.2008
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2008 Marcin Malich <me@malcom.pl>
   9 // License:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/module.h"
  29 #endif
  30
  31 #include "wx/gtk/private.h"
  32
  33 // ----------------------------------------------------------------------------
  34 // wxGTKPrivate functions implementation
  35 // ----------------------------------------------------------------------------
  36
  37 namespace wxGTKPrivate
  38 {
  39
  40 static GtkWidget *gs_container = NULL;
  41
  42 static GtkContainer* GetContainer()
  43 {
  44     if ( gs_container == NULL )
  45     {
  46         GtkWidget* window = gtk_window_new(GTK_WINDOW_POPUP);
  47         gs_container = gtk_fixed_new();
  48         gtk_container_add(GTK_CONTAINER(window), gs_container);
  49     }
  50     return GTK_CONTAINER(gs_container);
  51 }
  52
  53 GtkWidget *GetButtonWidget()
  54 {
  55     static GtkWidget *s_button = NULL;
  56
  57     if ( !s_button )
  58     {
  59         s_button = gtk_button_new();
  60         gtk_container_add(GetContainer(), s_button);
  61         gtk_widget_realize(s_button);
  62     }
  63
  64     return s_button;
  65 }
  66
  67 GtkWidget *GetCheckButtonWidget()
  68 {
  69     static GtkWidget *s_button = NULL;
  70
  71     if ( !s_button )
  72     {
  73         s_button = gtk_check_button_new();
  74         gtk_container_add(GetContainer(), s_button);
  75         gtk_widget_realize(s_button);
  76     }
  77
  78     return s_button;
  79 }
  80
  81 GtkWidget * GetComboBoxWidget()
  82 {
  83     static GtkWidget *s_button = NULL;
  84     static GtkWidget *s_window = NULL;
  85
  86     if ( !s_button )
  87     {
  88         s_window = gtk_window_new( GTK_WINDOW_POPUP );
  89         gtk_widget_realize( s_window );
  90         s_button = gtk_combo_box_new();
  91         gtk_container_add( GTK_CONTAINER(s_window), s_button );
  92         gtk_widget_realize( s_button );
  93     }
  94
  95     return s_button;
  96 }
  97
  98
  99 GtkWidget *GetEntryWidget()
 100 {
 101     static GtkWidget *s_entry = NULL;
 102
 103     if ( !s_entry )
 104     {
 105         s_entry = gtk_entry_new();
 106         gtk_container_add(GetContainer(), s_entry);
 107         gtk_widget_realize(s_entry);
 108     }
 109
 110     return s_entry;
 111 }
 112
 113 // This one just gets the button used by the column header. Although it's
 114 // still a gtk_button the themes will typically differentiate and draw them
 115 // differently if the button is in a treeview.
 116 GtkWidget *GetHeaderButtonWidget()
 117 {
 118     static GtkWidget *s_button = NULL;
 119
 120     if ( !s_button )
 121     {
 122         // Get the dummy tree widget, give it a column, and then use the
 123         // widget in the column header for the rendering code.
 124         GtkWidget* treewidget = GetTreeWidget();
 125         GtkTreeViewColumn *column = gtk_tree_view_column_new();
 126         gtk_tree_view_append_column(GTK_TREE_VIEW(treewidget), column);
 127         s_button = column->button;
 128     }
 129
 130     return s_button;
 131 }
 132
 133 GtkWidget * GetRadioButtonWidget()
 134 {
 135     static GtkWidget *s_button = NULL;
 136     static GtkWidget *s_window = NULL;
 137
 138     if ( !s_button )
 139     {
 140         s_window = gtk_window_new( GTK_WINDOW_POPUP );
 141         gtk_widget_realize( s_window );
 142         s_button = gtk_radio_button_new(NULL);
 143         gtk_container_add( GTK_CONTAINER(s_window), s_button );
 144         gtk_widget_realize( s_button );
 145     }
 146
 147     return s_button;
 148 }
 149
 150 GtkWidget* GetSplitterWidget()
 151 {
 152     static GtkWidget* widget;
 153
 154     if (widget == NULL)
 155     {
 156         widget = gtk_vpaned_new();
 157         gtk_container_add(GetContainer(), widget);
 158         gtk_widget_realize(widget);
 159     }
 160
 161     return widget;
 162 }
 163
 164 GtkWidget * GetTextEntryWidget()
 165 {
 166     static GtkWidget *s_button = NULL;
 167     static GtkWidget *s_window = NULL;
 168
 169     if ( !s_button )
 170     {
 171         s_window = gtk_window_new( GTK_WINDOW_POPUP );
 172         gtk_widget_realize( s_window );
 173         s_button = gtk_entry_new();
 174         gtk_container_add( GTK_CONTAINER(s_window), s_button );
 175         gtk_widget_realize( s_button );
 176     }
 177
 178     return s_button;
 179 }
 180
 181 GtkWidget *GetTreeWidget()
 182 {
 183     static GtkWidget *s_tree = NULL;
 184
 185     if ( !s_tree )
 186     {
 187         s_tree = gtk_tree_view_new();
 188         gtk_container_add(GetContainer(), s_tree);
 189         gtk_widget_realize(s_tree);
 190     }
 191
 192     return s_tree;
 193 }
 194
 195
 196 // Module for destroying created widgets
 197 class WidgetsCleanupModule : public wxModule
 198 {
 199 public:
 200     virtual bool OnInit()
 201     {
 202         return true;
 203     }
 204
 205     virtual void OnExit()
 206     {
 207         if ( gs_container )
 208         {
 209             GtkWidget* parent = gtk_widget_get_parent(gs_container);
 210             gtk_widget_destroy(parent);
 211         }
 212     }
 213
 214     DECLARE_DYNAMIC_CLASS(WidgetsCleanupModule)
 215 };
 216
 217 IMPLEMENT_DYNAMIC_CLASS(WidgetsCleanupModule, wxModule)
 218
 219 static WidgetsCleanupModule gs_widgetsCleanupModule;
 220
 221 } // wxGTKPrivate namespace