Rewrite. Cursor handling better, split Layout() and Draw(), faster.

[wxWidgets.git] / src / gtk1 / frame.cpp

diff --git a/src/gtk1/frame.cpp b/src/gtk1/frame.cpp
index 7424ec63fc7990b50094c47bdfe29c5064096253..fbb256de87b16597fbbb798dc1a141086ce93cb1 100644 (file)
--- a/src/gtk1/frame.cpp
+++ b/src/gtk1/frame.cpp
@@ -2,9 +2,8 @@
 // Name:        frame.cpp
 // Purpose:
 // Author:      Robert Roebling
-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Id:          $id$
+// Copyright:   (c) 1998 Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -23,20 +22,25 @@
 #include "wx/dcclient.h"
 #include "wx/gtk/win_gtk.h"
 
-const wxMENU_HEIGHT    = 28;
-const wxSTATUS_HEIGHT  = 25;
+//-----------------------------------------------------------------------------
+// constants
+//-----------------------------------------------------------------------------
 
-extern wxList wxTopLevelWindows;
-extern wxList wxPendingDelete;
+const int wxMENU_HEIGHT    = 28;
+const int wxSTATUS_HEIGHT  = 25;
 
 //-----------------------------------------------------------------------------
-// wxFrame
+// data
 //-----------------------------------------------------------------------------
 
+extern wxList wxTopLevelWindows;
+extern wxList wxPendingDelete;
+
+//-----------------------------------------------------------------------------
+// "size_allocate"
 //-----------------------------------------------------------------------------
-// set size
 
-void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxFrame *win )
+static void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxFrame *win )
 {
   if (!win->HasVMT()) return;
 
@@ -51,9 +55,10 @@ void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc,
 }
 
 //-----------------------------------------------------------------------------
-// delete
+// "delete_event"
+//-----------------------------------------------------------------------------
 
-bool gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxFrame *win )
+static gint gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxFrame *win )
 {
 /*
   printf( "OnDelete from " );
@@ -68,9 +73,10 @@ bool gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(
 }
 
 //-----------------------------------------------------------------------------
-// configure
+// "configure_event"
+//-----------------------------------------------------------------------------
 
-gint gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxFrame *win )
+static gint gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxFrame *win )
 {
   if (!win->HasVMT()) return FALSE;
   
@@ -80,6 +86,8 @@ gint gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigur
   return FALSE;
 }
 
+//-----------------------------------------------------------------------------
+// wxFrame
 //-----------------------------------------------------------------------------
 
 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
@@ -92,13 +100,13 @@ IMPLEMENT_DYNAMIC_CLASS(wxFrame,wxWindow)
 
 wxFrame::wxFrame()
 {
-  m_frameMenuBar = NULL;
-  m_frameStatusBar = NULL;
-  m_frameToolBar = NULL;
+  m_frameMenuBar = (wxMenuBar *) NULL;
+  m_frameStatusBar = (wxStatusBar *) NULL;
+  m_frameToolBar = (wxToolBar *) NULL;
   m_sizeSet = FALSE;
   m_addPrivateChild = FALSE;
-  m_wxwindow = NULL;
-  m_mainWindow = NULL;
+  m_wxwindow = (GtkWidget *) NULL;
+  m_mainWindow = (GtkWidget *) NULL;
   wxTopLevelWindows.Insert( this );
 }
 
@@ -106,13 +114,13 @@ wxFrame::wxFrame( wxWindow *parent, wxWindowID id, const wxString &title,
       const wxPoint &pos, const wxSize &size,
       long style, const wxString &name )
 {
-  m_frameMenuBar = NULL;
-  m_frameStatusBar = NULL;
-  m_frameToolBar = NULL;
+  m_frameMenuBar = (wxMenuBar *) NULL;
+  m_frameStatusBar = (wxStatusBar *) NULL;
+  m_frameToolBar = (wxToolBar *) NULL;
   m_sizeSet = FALSE;
   m_addPrivateChild = FALSE;
-  m_wxwindow = NULL;
-  m_mainWindow = NULL;
+  m_wxwindow = (GtkWidget *) NULL;
+  m_mainWindow = (GtkWidget *) NULL;
   Create( parent, id, title, pos, size, style, name );
   wxTopLevelWindows.Insert( this );
 }
@@ -181,6 +189,8 @@ wxFrame::~wxFrame()
 
 bool wxFrame::Show( bool show )
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  
   if (show)
   {
     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
@@ -192,20 +202,23 @@ bool wxFrame::Show( bool show )
 
 void wxFrame::Enable( bool enable )
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  
+  if (!m_mainWindow) return;
+  
   wxWindow::Enable( enable );
   gtk_widget_set_sensitive( m_mainWindow, enable );
 }
 
 void wxFrame::OnCloseWindow( wxCloseEvent &event )
 {
-    if ( GetEventHandler()->OnClose() || event.GetForce())
-    {
-        this->Destroy();
-    }
+  if (GetEventHandler()->OnClose() || event.GetForce()) this->Destroy();
 }
 
 bool wxFrame::Destroy()
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  
   if (!wxPendingDelete.Member(this))
     wxPendingDelete.Append(this);
 
@@ -220,6 +233,8 @@ void wxFrame::ImplementSetPosition(void)
 
 void wxFrame::Centre( int direction )
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  
   if (direction & wxHORIZONTAL == wxHORIZONTAL) m_x = (gdk_screen_width () - m_width) / 2;
   if (direction & wxVERTICAL == wxVERTICAL) m_y = (gdk_screen_height () - m_height) / 2;
   ImplementSetPosition();
@@ -227,6 +242,8 @@ void wxFrame::Centre( int direction )
 
 void wxFrame::GetClientSize( int *width, int *height ) const
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  
   wxWindow::GetClientSize( width, height );
   if (height)
   {
@@ -235,7 +252,7 @@ void wxFrame::GetClientSize( int *width, int *height ) const
     if (m_frameToolBar)
     {
       int y = 0;
-      m_frameToolBar->GetSize( NULL, &y );
+      m_frameToolBar->GetSize( (int *) NULL, &y );
       (*height) -= y;
     }
   }
@@ -243,13 +260,15 @@ void wxFrame::GetClientSize( int *width, int *height ) const
 
 void wxFrame::SetClientSize( int const width, int const height )
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  
   int h = height;
   if (m_frameMenuBar) h += wxMENU_HEIGHT;
   if (m_frameStatusBar) h += wxSTATUS_HEIGHT;
   if (m_frameToolBar)
   {
     int y = 0;
-    m_frameToolBar->GetSize( NULL, &y );
+    m_frameToolBar->GetSize( (int *) NULL, &y );
     h += y;
   }
   wxWindow::SetClientSize( width, h );
@@ -268,9 +287,12 @@ void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height
 
   m_width = width;
   m_height = height;
+  if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
+  if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
+  if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_minWidth;
+  if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_minHeight;
 
-  // VZ: why??
-  //gtk_widget_set_usize( m_widget, width, height );
+  gtk_widget_set_usize( m_widget, width, height );
 
   int main_x = 0;
   int main_y = 0;
@@ -296,7 +318,7 @@ void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height
   }
 
   int toolbar_height = 0;
-  if (m_frameToolBar) m_frameToolBar->GetSize( NULL, &toolbar_height );
+  if (m_frameToolBar) m_frameToolBar->GetSize( (int *) NULL, &toolbar_height );
   
   main_y += toolbar_height;
   main_height -= toolbar_height;
@@ -330,6 +352,8 @@ void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height
 
 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  
   if ( GetAutoLayout() )
     Layout();
   else {
@@ -338,7 +362,7 @@ void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
       return;
       
     // do we have exactly one child?
-    wxWindow *child = NULL;
+    wxWindow *child = (wxWindow *) NULL;
     for(wxNode *node = GetChildren()->First(); node; node = node->Next())
     {
       wxWindow *win = (wxWindow *)node->Data();
@@ -366,9 +390,15 @@ void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 
 void wxFrame::AddChild( wxWindow *child )
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  wxASSERT_MSG( (m_wxwindow != NULL), "invalid frame" );
+  wxASSERT_MSG( (m_mainWindow != NULL), "invalid frame" );
+  wxASSERT_MSG( (child != NULL),  "invalid child" );
+  wxASSERT_MSG( (child->m_widget != NULL), "invalid child" );
+  
   // wxFrame and wxDialog as children aren't placed into the parents
   
-  if (IS_KIND_OF(child,wxMDIChildFrame)) printf( "wxFrame::AddChild error.\n" );
+  if (IS_KIND_OF(child,wxMDIChildFrame)) wxFAIL_MSG( "wxFrame::AddChild error.\n" );
   
   if ( IS_KIND_OF(child,wxFrame) || IS_KIND_OF(child,wxDialog))
   {
@@ -412,6 +442,10 @@ static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 
 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  wxASSERT_MSG( (m_wxwindow != NULL), "invalid frame" );
+  wxASSERT_MSG( (m_mainWindow != NULL), "invalid frame" );
+  
   m_frameMenuBar = menuBar;
   
   if (m_frameMenuBar)
@@ -440,6 +474,8 @@ wxMenuBar *wxFrame::GetMenuBar(void) const
 
 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  
   wxCHECK_MSG( m_frameToolBar == NULL, FALSE, "recreating toolbar in wxFrame" );
 
   m_addPrivateChild = TRUE;
@@ -461,6 +497,8 @@ wxToolBar *wxFrame::GetToolBar(void) const
 
 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  
   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, "recreating status bar in wxFrame" );
 
   m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
@@ -470,7 +508,7 @@ wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, co
 
 wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 {
-  wxStatusBar *statusBar = NULL;
+  wxStatusBar *statusBar = (wxStatusBar *) NULL;
     
   statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), style, name);
     
@@ -491,6 +529,8 @@ wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id,
 
 void wxFrame::SetStatusText(const wxString& text, int number)
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  
   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 
   m_frameStatusBar->SetStatusText(text, number);
@@ -498,6 +538,8 @@ void wxFrame::SetStatusText(const wxString& text, int number)
 
 void wxFrame::SetStatusWidths(int n, const int widths_field[] )
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  
   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 
   m_frameStatusBar->SetStatusWidths(n, widths_field);
@@ -510,35 +552,24 @@ wxStatusBar *wxFrame::GetStatusBar(void) const
 
 void wxFrame::SetTitle( const wxString &title )
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  
   m_title = title;
   if (m_title.IsNull()) m_title = "";
   gtk_window_set_title( GTK_WINDOW(m_widget), title );
 }
 
-void wxFrame::SetSizeHints(int minW, int minH,
-                           int WXUNUSED(maxW), int WXUNUSED(maxH),
-                           int WXUNUSED(incW) )
-{
-  // gdk_window_set_hints alone doesn't really prevent the user from shrinking
-  // the window to the size smaller than (minW, minH)
-  gtk_widget_set_usize( GTK_WIDGET(m_widget), minW, minH );
-
-  /*
-  gdk_window_set_hints( m_widget->window, -1, -1, 
-                             minW, minH, maxW, maxH,
-                        GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE );
-  */
-}
-
 void wxFrame::SetIcon( const wxIcon &icon )
 {
+  wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
+  
   m_icon = icon;
   if (!icon.Ok()) return;
   
   wxMask *mask = icon.GetMask();
-  GdkBitmap *bm = NULL;
+  GdkBitmap *bm = (GdkBitmap *) NULL;
   if (mask) bm = mask->GetBitmap();
   
-  gdk_window_set_icon( m_widget->window, NULL, icon.GetPixmap(), bm );
+  gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
 }