#include "wx/gtk/private/event.h"
using namespace wxGTKImpl;
+#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
+#else
+typedef guint KeySym;
+#endif
#include <gdk/gdkkeysyms.h>
#if GTK_CHECK_VERSION(3,0,0)
#include <gdk/gdkkeysyms-compat.h>
#endif
+// gdk_window_set_composited() is only supported since 2.12
+#define wxGTK_VERSION_REQUIRED_FOR_COMPOSITING 2,12,0
+#define wxGTK_HAS_COMPOSITING_SUPPORT GTK_CHECK_VERSION(2,12,0)
+
//-----------------------------------------------------------------------------
// documentation on internals
//-----------------------------------------------------------------------------
keysym = (KeySym)gdk_event->string[0];
}
+#ifdef GDK_WINDOWING_X11
// we want to always get the same key code when the same key is
// pressed regardless of the state of the modifiers, i.e. on a
// standard US keyboard pressing '5' or '%' ('5' key with
// use the normalized, i.e. lower register, keysym if we've
// got one
key_code = keysymNormalized ? keysymNormalized : keysym;
+#else
+ key_code = keysym;
+#endif
// as explained above, we want to have lower register key codes
// normally but for the letter keys we want to have the upper ones
} // anonymous namespace
+// If a widget does not handle a key or mouse event, GTK+ sends it up the
+// parent chain until it is handled. These events are not supposed to propagate
+// in wxWidgets, so this code avoids handling them in any parent wxWindow,
+// while still allowing the event to propagate so things like native keyboard
+// navigation will work.
+#define wxPROCESS_EVENT_ONCE(EventType, event) \
+ static EventType eventPrev; \
+ if (memcmp(&eventPrev, event, sizeof(EventType)) == 0) \
+ return false; \
+ eventPrev = *event
+
extern "C" {
static gboolean
gtk_window_key_press_callback( GtkWidget *WXUNUSED(widget),
if (g_blockEventsOnDrag)
return FALSE;
+ wxPROCESS_EVENT_ONCE(GdkEventKey, gdk_event);
+
wxKeyEvent event( wxEVT_KEY_DOWN );
bool ret = false;
bool return_after_IM = false;
if (g_blockEventsOnDrag)
return FALSE;
+ wxPROCESS_EVENT_ONCE(GdkEventKey, gdk_event);
+
wxKeyEvent event( wxEVT_KEY_UP );
if ( !wxTranslateGTKKeyEventToWx(event, win, gdk_event) )
{
}
}
-//-----------------------------------------------------------------------------
-// key and mouse events, after, from m_widget
-//-----------------------------------------------------------------------------
-
-extern "C" {
-static gboolean key_and_mouse_event_after(GtkWidget* widget, GdkEventKey*, wxWindow*)
-{
- // If a widget does not handle a key or mouse event, GTK+ sends it up the
- // parent chain until it is handled. These events are not supposed to
- // propagate in wxWidgets, so prevent it unless widget is in a native
- // container.
- return WX_IS_PIZZA(gtk_widget_get_parent(widget));
-}
-}
-
// ============================================================================
// the mouse events
// ============================================================================
}
}
-// find the window to send the mouse event too
+// find the window to send the mouse event to
static
wxWindowGTK *FindWindowForMouseEvent(wxWindowGTK *win, wxCoord& x, wxCoord& y)
{
else
{
if ((child->m_wxwindow == NULL) &&
+ win->IsClientAreaChild(child) &&
(child->m_x <= xx) &&
(child->m_y <= yy) &&
(child->m_x+child->m_width >= xx) &&
GdkEventButton *gdk_event,
wxWindowGTK *win )
{
+ wxPROCESS_EVENT_ONCE(GdkEventButton, gdk_event);
+
wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
g_lastButtonNumber = gdk_event->button;
GdkEventButton *gdk_event,
wxWindowGTK *win )
{
+ wxPROCESS_EVENT_ONCE(GdkEventButton, gdk_event);
+
wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
g_lastButtonNumber = 0;
GdkEventMotion *gdk_event,
wxWindowGTK *win )
{
+ wxPROCESS_EVENT_ONCE(GdkEventMotion, gdk_event);
+
wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
if (gdk_event->is_hint)
static gboolean
window_scroll_event(GtkWidget*, GdkEventScroll* gdk_event, wxWindow* win)
{
- if (gdk_event->direction != GDK_SCROLL_UP &&
- gdk_event->direction != GDK_SCROLL_DOWN)
- {
- return false;
- }
-
wxMouseEvent event(wxEVT_MOUSEWHEEL);
InitMouseEvent(win, event, gdk_event);
// FIXME: Get these values from GTK or GDK
event.m_linesPerAction = 3;
event.m_wheelDelta = 120;
- if (gdk_event->direction == GDK_SCROLL_UP)
- event.m_wheelRotation = 120;
- else
- event.m_wheelRotation = -120;
+
+ // Determine the scroll direction.
+ switch (gdk_event->direction)
+ {
+ case GDK_SCROLL_UP:
+ case GDK_SCROLL_RIGHT:
+ event.m_wheelRotation = 120;
+ break;
+
+ case GDK_SCROLL_DOWN:
+ case GDK_SCROLL_LEFT:
+ event.m_wheelRotation = -120;
+ break;
+
+ default:
+ return false; // Unknown/unhandled direction
+ }
+
+ // And the scroll axis.
+ switch (gdk_event->direction)
+ {
+ case GDK_SCROLL_UP:
+ case GDK_SCROLL_DOWN:
+ event.m_wheelAxis = wxMOUSE_WHEEL_VERTICAL;
+ break;
+
+ case GDK_SCROLL_LEFT:
+ case GDK_SCROLL_RIGHT:
+ event.m_wheelAxis = wxMOUSE_WHEEL_HORIZONTAL;
+ break;
+ }
if (win->GTKProcessEvent(event))
return TRUE;
);
}
+ // Use composited window if background is transparent, if supported.
+ if (m_backgroundStyle == wxBG_STYLE_TRANSPARENT)
+ {
+#if wxGTK_HAS_COMPOSITING_SUPPORT
+ if (IsTransparentBackgroundSupported())
+ {
+ GdkWindow* const window = GTKGetDrawingWindow();
+ if (window)
+ gdk_window_set_composited(window, true);
+ }
+ else
+#endif // wxGTK_HAS_COMPOSITING_SUPPORT
+ {
+ // We revert to erase mode if transparency is not supported
+ m_backgroundStyle = wxBG_STYLE_ERASE;
+ }
+ }
+
+
// We cannot set colours and fonts before the widget
// been realized, so we do this directly after realization
// or otherwise in idle time
m_width = WidthDefault(size.x) ;
m_height = HeightDefault(size.y);
- m_x = (int)pos.x;
- m_y = (int)pos.y;
+ if (pos != wxDefaultPosition)
+ {
+ m_x = pos.x;
+ m_y = pos.y;
+ }
return true;
}
{
wxASSERT_MSG( (m_widget != NULL), wxT("invalid window") );
+#if wxGTK_HAS_COMPOSITING_SUPPORT
+ // Set RGBA visual as soon as possible to minimize the possibility that
+ // somebody uses the wrong one.
+ if ( m_backgroundStyle == wxBG_STYLE_TRANSPARENT &&
+ IsTransparentBackgroundSupported() )
+ {
+ GdkScreen *screen = gtk_widget_get_screen (m_widget);
+
+ GdkColormap *rgba_colormap = gdk_screen_get_rgba_colormap (screen);
+
+ if (rgba_colormap)
+ gtk_widget_set_colormap(m_widget, rgba_colormap);
+ }
+#endif // wxGTK_HAS_COMPOSITING_SUPPORT
+
if (m_wxwindow)
{
if (!m_noExpose)
ConnectWidget( connect_widget );
- // connect handler to prevent events from propagating up parent chain
- g_signal_connect_after(m_widget,
- "key_press_event", G_CALLBACK(key_and_mouse_event_after), this);
- g_signal_connect_after(m_widget,
- "key_release_event", G_CALLBACK(key_and_mouse_event_after), this);
- g_signal_connect_after(m_widget,
- "button_press_event", G_CALLBACK(key_and_mouse_event_after), this);
- g_signal_connect_after(m_widget,
- "button_release_event", G_CALLBACK(key_and_mouse_event_after), this);
- g_signal_connect_after(m_widget,
- "motion_notify_event", G_CALLBACK(key_and_mouse_event_after), this);
-
// We cannot set colours, fonts and cursors before the widget has been
// realized, so we do this directly after realization -- unless the widget
// was in fact realized already.
void wxWindowGTK::DoGetSize( int *width, int *height ) const
{
- wxCHECK_RET( (m_widget != NULL), wxT("invalid window") );
-
if (width) (*width) = m_width;
if (height) (*height) = m_height;
}
void wxWindowGTK::DoGetPosition( int *x, int *y ) const
{
- wxCHECK_RET( (m_widget != NULL), wxT("invalid window") );
-
int dx = 0;
int dy = 0;
- if (!IsTopLevel() && m_parent && m_parent->m_wxwindow)
+ GtkWidget* parent = NULL;
+ if (m_widget)
+ parent = gtk_widget_get_parent(m_widget);
+ if (WX_IS_PIZZA(parent))
{
- wxPizza* pizza = WX_PIZZA(m_parent->m_wxwindow);
+ wxPizza* pizza = WX_PIZZA(parent);
dx = pizza->m_scroll_x;
dy = pizza->m_scroll_y;
}
-
- if (m_x == -1 && m_y == -1)
- {
- GdkWindow *source = NULL;
- if (m_wxwindow)
- source = gtk_widget_get_window(m_wxwindow);
- else
- source = gtk_widget_get_window(m_widget);
-
- if (source)
- {
- int org_x = 0;
- int org_y = 0;
- gdk_window_get_origin( source, &org_x, &org_y );
-
- if (m_parent)
- m_parent->ScreenToClient(&org_x, &org_y);
-
- const_cast<wxWindowGTK*>(this)->m_x = org_x;
- const_cast<wxWindowGTK*>(this)->m_y = org_y;
- }
- }
-
if (x) (*x) = m_x - dx;
if (y) (*y) = m_y - dy;
}
GdkDeviceManager* manager = gdk_display_get_device_manager(display);
gdk_device_warp(gdk_device_manager_get_client_pointer(manager), screen, x, y);
#else
+#ifdef GDK_WINDOWING_X11
XWarpPointer(GDK_DISPLAY_XDISPLAY(display),
None,
GDK_WINDOW_XID(gdk_screen_get_root_window(screen)),
0, 0, 0, 0, x, y);
#endif
+#endif
}
wxWindowGTK::ScrollDir wxWindowGTK::ScrollDirFromRange(GtkRange *range) const
m_updateRegion.Clear();
return;
}
-
+#if wxGTK_HAS_COMPOSITING_SUPPORT
+ cairo_t* cr = NULL;
+#endif
// Clip to paint region in wxClientDC
m_clipPaintRegion = true;
switch ( GetBackgroundStyle() )
{
+ case wxBG_STYLE_TRANSPARENT:
+#if wxGTK_HAS_COMPOSITING_SUPPORT
+ if (IsTransparentBackgroundSupported())
+ {
+ // Set a transparent background, so that overlaying in parent
+ // might indeed let see through where this child did not
+ // explicitly paint.
+ // NB: it works also for top level windows (but this is the
+ // windows manager which then does the compositing job)
+ cr = gdk_cairo_create(m_wxwindow->window);
+ gdk_cairo_region(cr, m_nativeUpdateRegion.GetRegion());
+ cairo_clip(cr);
+
+ cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
+ cairo_paint(cr);
+ cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
+ cairo_surface_flush(cairo_get_target(cr));
+ }
+#endif // wxGTK_HAS_COMPOSITING_SUPPORT
+ break;
+
case wxBG_STYLE_ERASE:
{
wxWindowDC dc( (wxWindow*)this );
paint_event.SetEventObject( this );
HandleWindowEvent( paint_event );
+#if wxGTK_HAS_COMPOSITING_SUPPORT
+ if (IsTransparentBackgroundSupported())
+ { // now composite children which need it
+ // Overlay all our composite children on top of the painted area
+ wxWindowList::compatibility_iterator node;
+ for ( node = m_children.GetFirst(); node ; node = node->GetNext() )
+ {
+ wxWindow *compositeChild = node->GetData();
+ if (compositeChild->GetBackgroundStyle() == wxBG_STYLE_TRANSPARENT)
+ {
+ if (cr == NULL)
+ {
+ cr = gdk_cairo_create(m_wxwindow->window);
+ gdk_cairo_region(cr, m_nativeUpdateRegion.GetRegion());
+ cairo_clip(cr);
+ }
+
+ GtkWidget *child = compositeChild->m_wxwindow;
+ GtkAllocation alloc;
+ gtk_widget_get_allocation(child, &alloc);
+
+ // The source data is the (composited) child
+ gdk_cairo_set_source_window(
+ cr, gtk_widget_get_window(child), alloc.x, alloc.y);
+
+ cairo_paint(cr);
+ }
+ }
+ if (cr)
+ cairo_destroy(cr);
+ }
+#endif // wxGTK_HAS_COMPOSITING_SUPPORT
+
m_clipPaintRegion = false;
m_updateRegion.Clear();
bool wxWindowGTK::SetBackgroundStyle(wxBackgroundStyle style)
{
- wxWindowBase::SetBackgroundStyle(style);
+ if (!wxWindowBase::SetBackgroundStyle(style))
+ return false;
- if ( style == wxBG_STYLE_PAINT )
+ GdkWindow *window;
+ if ( m_wxwindow )
{
- GdkWindow *window;
- if ( m_wxwindow )
- {
- window = GTKGetDrawingWindow();
- }
- else
- {
- GtkWidget * const w = GetConnectWidget();
- window = w ? gtk_widget_get_window(w) : NULL;
- }
+ window = GTKGetDrawingWindow();
+ }
+ else
+ {
+ GtkWidget * const w = GetConnectWidget();
+ window = w ? gtk_widget_get_window(w) : NULL;
+ }
+ bool wantNoBackPixmap = style == wxBG_STYLE_PAINT || style == wxBG_STYLE_TRANSPARENT;
+
+ if ( wantNoBackPixmap )
+ {
if (window)
{
// Make sure GDK/X11 doesn't refresh the window
// automatically.
- gdk_window_set_back_pixmap( window, None, False );
-#ifdef __X__
- Display* display = GDK_WINDOW_DISPLAY(window);
- XFlush(display);
-#endif
+ gdk_window_set_back_pixmap( window, NULL, FALSE );
m_needsStyleChange = false;
}
else // window not realized yet
return true;
}
+bool wxWindowGTK::IsTransparentBackgroundSupported(wxString* reason) const
+{
+#if wxGTK_HAS_COMPOSITING_SUPPORT
+ if (gtk_check_version(wxGTK_VERSION_REQUIRED_FOR_COMPOSITING) != NULL)
+ {
+ if (reason)
+ {
+ *reason = _("GTK+ installed on this machine is too old to "
+ "support screen compositing, please install "
+ "GTK+ 2.12 or later.");
+ }
+
+ return false;
+ }
+
+ // NB: We don't check here if the particular kind of widget supports
+ // transparency, we check only if it would be possible for a generic window
+
+ wxCHECK_MSG ( m_widget, false, "Window must be created first" );
+
+ if (!gdk_screen_is_composited(gtk_widget_get_screen(m_widget)))
+ {
+ if (reason)
+ {
+ *reason = _("Compositing not supported by this system, "
+ "please enable it in your Window Manager.");
+ }
+
+ return false;
+ }
+
+ return true;
+#else
+ if (reason)
+ {
+ *reason = _("This program was compiled with a too old version of GTK+, "
+ "please rebuild with GTK+ 2.12 or newer.");
+ }
+#endif // wxGTK_HAS_COMPOSITING_SUPPORT/!wxGTK_HAS_COMPOSITING_SUPPORT
+
+ return false;
+}
+
// ----------------------------------------------------------------------------
// Pop-up menu stuff
// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff