add wxRenderer::GetCheckBoxSize(); refactor wxGTK code to avoid duplication (#9642)

[wxWidgets.git] / src / gtk / private.cpp

diff --git a/src/gtk/private.cpp b/src/gtk/private.cpp
new file mode 100644 (file)
index 0000000..3f421fb
--- /dev/null
+++ b/src/gtk/private.cpp
@@ -0,0 +1,169 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        src/gtk/private.cpp
+// Purpose:     implementation of wxGTK private functions
+// Author:      Marcin Malich
+// Modified by:
+// Created:     28.06.2008
+// RCS-ID:      $Id$
+// Copyright:   (c) 2008 Marcin Malich <me@malcom.pl>
+// License:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/module.h"
+#endif
+
+#include "wx/gtk/private.h"
+
+// ----------------------------------------------------------------------------
+// wxGTKPrivate functions implementation
+// ----------------------------------------------------------------------------
+
+namespace wxGTKPrivate
+{
+
+static GtkWidget *gs_container = NULL;
+
+static GtkContainer* GetContainer()
+{
+    if ( gs_container == NULL )
+    {
+        GtkWidget* window = gtk_window_new(GTK_WINDOW_POPUP);
+        gs_container = gtk_fixed_new();
+        gtk_container_add(GTK_CONTAINER(window), gs_container);
+    }
+    return GTK_CONTAINER(gs_container);
+}
+
+GtkWidget *GetButtonWidget()
+{
+    static GtkWidget *s_button = NULL;
+
+    if ( !s_button )
+    {
+        s_button = gtk_button_new();
+        gtk_container_add(GetContainer(), s_button);
+        gtk_widget_realize(s_button);
+    }
+
+    return s_button;
+}
+
+GtkWidget *GetCheckButtonWidget()
+{
+    static GtkWidget *s_button = NULL;
+
+    if ( !s_button )
+    {
+        s_button = gtk_check_button_new();
+        gtk_container_add(GetContainer(), s_button);
+        gtk_widget_realize(s_button);
+    }
+
+    return s_button;
+}
+
+GtkWidget *GetEntryWidget()
+{
+    static GtkWidget *s_entry = NULL;
+
+    if ( !s_entry )
+    {
+        s_entry = gtk_entry_new();
+        gtk_container_add(GetContainer(), s_entry);
+        gtk_widget_realize(s_entry);
+    }
+
+    return s_entry;
+}
+
+// This one just gets the button used by the column header. Although it's
+// still a gtk_button the themes will typically differentiate and draw them
+// differently if the button is in a treeview.
+GtkWidget *GetHeaderButtonWidget()
+{
+    static GtkWidget *s_button = NULL;
+
+    if ( !s_button )
+    {
+        // Get the dummy tree widget, give it a column, and then use the
+        // widget in the column header for the rendering code.
+        GtkWidget* treewidget = GetTreeWidget();
+        GtkTreeViewColumn *column = gtk_tree_view_column_new();
+        gtk_tree_view_append_column(GTK_TREE_VIEW(treewidget), column);
+        s_button = column->button;
+    }
+
+    return s_button;
+}
+
+GtkWidget* GetSplitterWidget()
+{
+    static GtkWidget* widget;
+
+    if (widget == NULL)
+    {
+        widget = gtk_vpaned_new();
+        gtk_container_add(GetContainer(), widget);
+        gtk_widget_realize(widget);
+    }
+
+    return widget;
+}
+
+GtkWidget *GetTreeWidget()
+{
+    static GtkWidget *s_tree = NULL;
+
+    if ( !s_tree )
+    {
+        s_tree = gtk_tree_view_new();
+        gtk_container_add(GetContainer(), s_tree);
+        gtk_widget_realize(s_tree);
+    }
+
+    return s_tree;
+}
+
+
+// Module for destroying created widgets
+class WidgetsCleanupModule : public wxModule
+{
+public:
+    virtual bool OnInit()
+    {
+        return true;
+    }
+
+    virtual void OnExit()
+    {
+        if ( gs_container )
+        {
+            GtkWidget* parent = gtk_widget_get_parent(gs_container);
+            gtk_widget_destroy(parent);
+        }
+    }
+
+    DECLARE_DYNAMIC_CLASS(WidgetsCleanupModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(WidgetsCleanupModule, wxModule)
+
+static WidgetsCleanupModule gs_widgetsCleanupModule;
+
+} // wxGTKPrivate namespace