Enable graphics context by default

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

diff --git a/src/gtk/minifram.cpp b/src/gtk/minifram.cpp
index 2407a21cd424690c83f99eaa9cc9e93c7ba9e7ab..a452992cc83f23dd2de45b974195795df90281e0 100644 (file)
--- a/src/gtk/minifram.cpp
+++ b/src/gtk/minifram.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        minifram.cpp
+// Name:        src/gtk/minifram.cpp

 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$


@@ -7,33 +7,309 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "minifram.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_MINIFRAME

 
 #include "wx/minifram.h"
 
 #include "wx/minifram.h"

-#include "wx/dcscreen.h"

 
 

-#include "gtk/gtk.h"
-#include "wx/gtk/win_gtk.h"
+#ifndef WX_PRECOMP
+    #include "wx/settings.h"
+    #include "wx/dcclient.h"
+    #include "wx/image.h"
+#endif
+
+#include "wx/gtk/dcclient.h"
+
+#include <gtk/gtk.h>
+
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+extern bool        g_blockEventsOnDrag;
+extern bool        g_blockEventsOnScroll;
+
+//-----------------------------------------------------------------------------
+// "expose_event" of m_mainWidget
+//-----------------------------------------------------------------------------
+
+// StepColour() it a utility function that simply darkens
+// or lightens a color, based on the specified percentage
+static wxColor StepColour(const wxColor& c, int percent)
+{
+    int r = c.Red(), g = c.Green(), b = c.Blue();
+    return wxColour((unsigned char)wxMin((r*percent)/100,255),
+                    (unsigned char)wxMin((g*percent)/100,255),
+                    (unsigned char)wxMin((b*percent)/100,255));
+}
+
+static wxColor LightContrastColour(const wxColour& c)
+{
+    int amount = 120;
+
+    // if the color is especially dark, then
+    // make the contrast even lighter
+    if (c.Red() < 128 && c.Green() < 128 && c.Blue() < 128)
+        amount = 160;
+
+    return StepColour(c, amount);
+}
+
+extern "C" {
+static gboolean gtk_window_own_expose_callback(GtkWidget* widget, GdkEventExpose* gdk_event, wxMiniFrame* win)
+{
+    if (!win->m_hasVMT || gdk_event->count > 0 ||
+        gdk_event->window != widget->window)
+    {
+        return false;
+    }
+
+    gtk_paint_shadow (widget->style,
+                      widget->window,
+                      GTK_STATE_NORMAL,
+                      GTK_SHADOW_OUT,
+                      NULL, NULL, NULL, // FIXME: No clipping?
+                      0, 0,
+                      win->m_width, win->m_height);
+
+    int style = win->GetWindowStyle();
+
+    wxClientDC dc(win);
+
+    wxDCImpl *impl = dc.GetImpl();
+    wxClientDCImpl *gtk_impl = wxDynamicCast( impl, wxClientDCImpl );
+    gtk_impl->m_gdkwindow = widget->window; // Hack alert
+
+    if (style & wxRESIZE_BORDER)
+    {
+        dc.SetBrush( *wxGREY_BRUSH );
+        dc.SetPen( *wxTRANSPARENT_PEN );
+        dc.DrawRectangle( win->m_width - 14, win->m_height-14, 14, 14 );
+    }
+
+    if (win->m_miniTitle && !win->GetTitle().empty())
+    {
+        dc.SetFont( *wxSMALL_FONT );
+
+        wxBrush brush( LightContrastColour( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT) ) );
+        dc.SetBrush( brush );
+        dc.SetPen( *wxTRANSPARENT_PEN );
+        dc.DrawRectangle( win->m_miniEdge-1, 
+                          win->m_miniEdge-1, 
+                          win->m_width - (2*(win->m_miniEdge-1)),
+                          15  );
+
+        dc.SetTextForeground( *wxWHITE );
+        dc.DrawText( win->GetTitle(), 6, 4 );
+
+        if (style & wxCLOSE_BOX)
+            dc.DrawBitmap( win->m_closeButton, win->m_width-18, 3, true );
+    }
+    
+    return false;
+}
+}
+
+//-----------------------------------------------------------------------------
+// "button_press_event" of m_mainWidget
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static gboolean
+gtk_window_button_press_callback(GtkWidget* widget, GdkEventButton* gdk_event, wxMiniFrame* win)
+{
+    if (!win->m_hasVMT || gdk_event->window != widget->window)
+        return false;
+    if (g_blockEventsOnDrag) return TRUE;
+    if (g_blockEventsOnScroll) return TRUE;
+
+    if (win->m_isDragging) return TRUE;
+
+    int style = win->GetWindowStyle();
+
+    int y = (int)gdk_event->y;
+    int x = (int)gdk_event->x;
+
+    if ((style & wxRESIZE_BORDER) &&
+        (x > win->m_width-14) && (y > win->m_height-14))
+    {
+        GtkWidget *ancestor = gtk_widget_get_toplevel( widget );
+
+        GdkWindow *source = widget->window;
+
+        int org_x = 0;
+        int org_y = 0;
+        gdk_window_get_origin( source, &org_x, &org_y );
+
+        gtk_window_begin_resize_drag (GTK_WINDOW (ancestor),
+                                  GDK_WINDOW_EDGE_SOUTH_EAST,
+                                  1,
+                                  org_x + x,
+                                  org_y + y,
+                                  0);
+
+        return TRUE;
+    }
+
+    if (win->m_miniTitle && (style & wxCLOSE_BOX))
+    {
+        if ((y > 3) && (y < 19) && (x > win->m_width-19) && (x < win->m_width-3))
+        {
+            win->Close();
+            return TRUE;
+        }
+    }
+
+    if (y >= win->m_miniEdge + win->m_miniTitle)
+        return true;
+
+    gdk_window_raise( win->m_widget->window );
+
+    gdk_pointer_grab( widget->window, FALSE,
+                      (GdkEventMask)
+                         (GDK_BUTTON_PRESS_MASK |
+                          GDK_BUTTON_RELEASE_MASK |
+                          GDK_POINTER_MOTION_MASK        |
+                          GDK_POINTER_MOTION_HINT_MASK  |
+                          GDK_BUTTON_MOTION_MASK        |
+                          GDK_BUTTON1_MOTION_MASK),
+                      (GdkWindow *) NULL,
+                      (GdkCursor *) NULL,
+                      (unsigned int) GDK_CURRENT_TIME );
+
+    win->m_diffX = x;
+    win->m_diffY = y;
+    win->m_oldX = 0;
+    win->m_oldY = 0;
+
+    win->m_isDragging = true;
+
+    return TRUE;
+}
+}
+
+//-----------------------------------------------------------------------------
+// "button_release_event" of m_mainWidget
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static gboolean
+gtk_window_button_release_callback(GtkWidget* widget, GdkEventButton* gdk_event, wxMiniFrame* win)
+{
+    if (!win->m_hasVMT || gdk_event->window != widget->window)
+        return false;
+    if (g_blockEventsOnDrag) return TRUE;
+    if (g_blockEventsOnScroll) return TRUE;
+    if (!win->m_isDragging) return TRUE;
+
+    win->m_isDragging = false;
+
+    int x = (int)gdk_event->x;
+    int y = (int)gdk_event->y;
+
+    gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME );
+    int org_x = 0;
+    int org_y = 0;
+    gdk_window_get_origin( widget->window, &org_x, &org_y );
+    x += org_x - win->m_diffX;
+    y += org_y - win->m_diffY;
+    win->m_x = x;
+    win->m_y = y;
+    gtk_window_move( GTK_WINDOW(win->m_widget), x, y );
+
+    return TRUE;
+}
+}

 
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------

-// "clicked"
+// "leave_notify_event" of m_mainWidget

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
+extern "C" {
+static gboolean
+gtk_window_leave_callback(GtkWidget *widget,
+                          GdkEventCrossing* gdk_event,
+                          wxMiniFrame *win)

 {
 {

-    mf->Close();
+    if (!win->m_hasVMT) return FALSE;
+    if (g_blockEventsOnDrag) return FALSE;
+    if (gdk_event->window != widget->window)
+        return false;
+
+    gdk_window_set_cursor( widget->window, NULL );
+
+    return FALSE;
+}
+}
+
+//-----------------------------------------------------------------------------
+// "motion_notify_event" of m_mainWidget
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static gboolean
+gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
+{
+    if (!win->m_hasVMT || gdk_event->window != widget->window)
+        return false;
+    if (g_blockEventsOnDrag) return TRUE;
+    if (g_blockEventsOnScroll) return TRUE;
+
+    if (gdk_event->is_hint)
+    {
+       int x = 0;
+       int y = 0;
+       GdkModifierType state;
+       gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
+       gdk_event->x = x;
+       gdk_event->y = y;
+       gdk_event->state = state;
+    }
+
+    int style = win->GetWindowStyle();
+
+    int x = (int)gdk_event->x;
+    int y = (int)gdk_event->y;
+
+    if (!win->m_isDragging)
+    {
+        if (style & wxRESIZE_BORDER)
+        {
+            if ((x > win->m_width-14) && (y > win->m_height-14))
+               gdk_window_set_cursor( widget->window, gdk_cursor_new( GDK_BOTTOM_RIGHT_CORNER ) );
+            else
+               gdk_window_set_cursor( widget->window, NULL );
+        }
+        return TRUE;
+    }
+
+    win->m_oldX = x - win->m_diffX;
+    win->m_oldY = y - win->m_diffY;
+
+    int org_x = 0;
+    int org_y = 0;
+    gdk_window_get_origin( widget->window, &org_x, &org_y );
+    x += org_x - win->m_diffX;
+    y += org_y - win->m_diffY;
+    win->m_x = x;
+    win->m_y = y;
+    gtk_window_move( GTK_WINDOW(win->m_widget), x, y );
+
+    return TRUE;
+}

 }
 
 //-----------------------------------------------------------------------------
 // wxMiniFrame
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 // wxMiniFrame
 //-----------------------------------------------------------------------------
 

-BEGIN_EVENT_TABLE(wxMiniFrame,wxFrame)
-    EVT_PAINT(wxMiniFrame::OnPaint)
-    EVT_MOUSE_EVENTS(wxMiniFrame::OnMouse)
-END_EVENT_TABLE()
+static unsigned char close_bits[]={
+    0xff, 0xff, 0xff, 0xff, 0x07, 0xf0, 0xfb, 0xef, 0xdb, 0xed, 0x8b, 0xe8,
+    0x1b, 0xec, 0x3b, 0xee, 0x1b, 0xec, 0x8b, 0xe8, 0xdb, 0xed, 0xfb, 0xef,
+    0x07, 0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+

 
 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 


@@ -41,116 +317,114 @@ bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title
       const wxPoint &pos, const wxSize &size,
       long style, const wxString &name )
 {
       const wxPoint &pos, const wxSize &size,
       long style, const wxString &name )
 {

-    style = style | wxSIMPLE_BORDER;
-    
-    m_miniEdge = 3;
-    m_miniTitle = 13;
-    m_isDragging = FALSE;
+    m_miniTitle = 0;
+    if (style & wxCAPTION)
+        m_miniTitle = 16;
+
+    if (style & wxRESIZE_BORDER)
+        m_miniEdge = 4;
+    else
+        m_miniEdge = 3;
+    m_isDragging = false;

     m_oldX = -1;
     m_oldY = -1;
     m_diffX = 0;
     m_diffY = 0;
     m_oldX = -1;
     m_oldY = -1;
     m_diffX = 0;
     m_diffY = 0;

-    
+

     wxFrame::Create( parent, id, title, pos, size, style, name );
 
     wxFrame::Create( parent, id, title, pos, size, style, name );
 

-    GtkWidget *close_button = gtk_button_new_with_label( "x" );
-    
-    gtk_myfixed_put( GTK_MYFIXED(m_wxwindow), close_button, 4, 4 );
-    gtk_widget_set_usize( close_button, 12, 11 );
-    
-    gtk_widget_show( close_button );
-    
-    gtk_signal_connect( GTK_OBJECT(close_button), "clicked",
-      GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
-    
-    return TRUE;
-}
+    // Use a GtkEventBox for the title and borders. Using m_widget for this
+    // almost works, except that setting the resize cursor has no effect.
+    GtkWidget* eventbox = gtk_event_box_new();
+    gtk_widget_add_events(eventbox,
+        GDK_POINTER_MOTION_MASK |
+        GDK_POINTER_MOTION_HINT_MASK);
+    gtk_widget_show(eventbox);
+    // Use a GtkAlignment to position m_mainWidget inside the decorations
+    GtkWidget* alignment = gtk_alignment_new(0, 0, 1, 1);
+    gtk_alignment_set_padding(GTK_ALIGNMENT(alignment),
+        m_miniTitle + m_miniEdge, m_miniEdge, m_miniEdge, m_miniEdge);
+    gtk_widget_show(alignment);
+    // The GtkEventBox and GtkAlignment go between m_widget and m_mainWidget
+    gtk_widget_reparent(m_mainWidget, alignment);
+    gtk_container_add(GTK_CONTAINER(eventbox), alignment);
+    gtk_container_add(GTK_CONTAINER(m_widget), eventbox);

 
 

-void wxMiniFrame::OnPaint( wxPaintEvent &WXUNUSED(event) )
-{
-    if (m_miniTitle == 0) return;
-    if (m_title.IsEmpty()) return;
-  
-    wxPaintDC dc(this);
-  
-    dc.SetBrush( *wxTRANSPARENT_BRUSH );
-    dc.DrawRectangle( 0, 0, m_width, m_height );
-  
-    dc.SetPen( *wxWHITE_PEN );
-    dc.DrawLine( 1, 1, m_width-2, 1 );
-    dc.DrawLine( 1, 1, 1, m_height-2 );
-  
-    dc.SetPen( *wxMEDIUM_GREY_PEN );
-    dc.DrawLine( 1, m_height-1, m_width-2, m_height-1 );
-    dc.DrawLine( m_width-1, 1, m_width-1, m_height-2 );
-  
-    dc.SetBrush( *wxBLUE_BRUSH );
-    dc.SetPen( *wxTRANSPARENT_PEN );
-    dc.DrawRectangle( m_miniEdge, m_miniEdge, m_width - 2*m_miniEdge, m_miniTitle );
-  
-    dc.SetTextForeground( *wxWHITE );
-    dc.SetFont( *wxSMALL_FONT );
-    dc.DrawText( m_title, 14 + m_miniEdge, 1 + m_miniEdge );
-}
-
-void wxMiniFrame::DrawFrame( int x, int y )
-{
-    int org_x = 0;    
-    int org_y = 0;
-    gdk_window_get_origin( m_wxwindow->window, &org_x, &org_y );
-    x += org_x;
-    y += org_y;
+    m_gdkDecor = 0;
+    m_gdkFunc = 0;
+    if (style & wxRESIZE_BORDER)
+       m_gdkFunc = GDK_FUNC_RESIZE;
+    gtk_window_set_default_size(GTK_WINDOW(m_widget), m_width, m_height);
+    m_decorSize.Set(0, 0);
+    m_deferShow = false;

 
 

-    wxScreenDC dc;
-    dc.SetLogicalFunction( wxXOR );
-  
-    dc.DrawRectangle( x, y, m_width, m_height );
-}
+    // don't allow sizing smaller than decorations
+    GdkGeometry geom;
+    geom.min_width  = 2 * m_miniEdge;
+    geom.min_height = 2 * m_miniEdge + m_miniTitle;
+    gtk_window_set_geometry_hints(GTK_WINDOW(m_widget), NULL, &geom, GDK_HINT_MIN_SIZE);

 
 

-void wxMiniFrame::OnMouse( wxMouseEvent &event )
-{
-    int x = event.GetX();
-    int y = event.GetY();
+    if (m_parent && (GTK_IS_WINDOW(m_parent->m_widget)))
+    {
+        gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
+    }

 
 

-    if (event.LeftDown())
+    if (m_miniTitle && (style & wxCLOSE_BOX))

     {
     {

-        CaptureMouse();
-        m_diffX = x;
-        m_diffY = y;
-        DrawFrame( 0, 0 );
-        m_oldX = 0;
-        m_oldY = 0;
-        m_isDragging = TRUE;
-        return;
+        wxImage img = wxBitmap((const char*)close_bits, 16, 16).ConvertToImage();
+        img.Replace(0,0,0,123,123,123);
+        img.SetMaskColour(123,123,123);
+        m_closeButton = wxBitmap( img );

     }
 
     }
 

-    if (event.Dragging() && m_isDragging)
+    /* these are called when the borders are drawn */
+    g_signal_connect_after(eventbox, "expose_event",
+                      G_CALLBACK (gtk_window_own_expose_callback), this );
+
+    /* these are required for dragging the mini frame around */
+    g_signal_connect (eventbox, "button_press_event",
+                      G_CALLBACK (gtk_window_button_press_callback), this);
+    g_signal_connect (eventbox, "button_release_event",
+                      G_CALLBACK (gtk_window_button_release_callback), this);
+    g_signal_connect (eventbox, "motion_notify_event",
+                      G_CALLBACK (gtk_window_motion_notify_callback), this);
+    g_signal_connect (eventbox, "leave_notify_event",
+                      G_CALLBACK (gtk_window_leave_callback), this);
+    return true;
+}
+
+void wxMiniFrame::DoGetClientSize(int* width, int* height) const
+{
+    wxFrame::DoGetClientSize(width, height);
+    if (width)

     {
     {

-        DrawFrame( m_oldX, m_oldY );
-        m_oldX = x - m_diffX;
-        m_oldY = y - m_diffY;
-        DrawFrame( m_oldX, m_oldY );
-        return;
-    } 
-  
-    if (event.LeftUp() && m_isDragging)
+        *width -= 2 * m_miniEdge;
+        if (*width < 0) *width = 0;
+    }
+    if (height)

     {
     {

-       m_isDragging = FALSE;
-       DrawFrame( m_oldX, m_oldY );
-       ReleaseMouse();
-    
-       int org_x = 0;    
-       int org_y = 0;
-       gdk_window_get_origin( m_wxwindow->window, &org_x, &org_y );
-       x += org_x - m_diffX;
-       y += org_y - m_diffY;
-       m_x = x;
-       m_y = y;
-       gtk_widget_set_uposition( m_widget, x, y );
-
-       return;
+        *height -= m_miniTitle + 2 * m_miniEdge;
+        if (*height < 0) *height = 0;

     }
     }

-  
-    event.Skip();

 }
 
 }
 

+// Keep min size at least as large as decorations
+void wxMiniFrame::DoSetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
+{
+    const int w = 2 * m_miniEdge;
+    const int h = 2 * m_miniEdge + m_miniTitle;
+    if (minW < w) minW = w;
+    if (minH < h) minH = h;
+    wxFrame::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
+}
+
+void wxMiniFrame::SetTitle( const wxString &title )
+{
+    wxFrame::SetTitle( title );
+
+    GtkWidget* widget = GTK_BIN(m_widget)->child;
+    if (widget->window)
+        gdk_window_invalidate_rect(widget->window, NULL, false);
+}
+
+#endif // wxUSE_MINIFRAME