#include <gdk/gdk.h>
#include <gtk/gtk.h>
-
-GdkCursor *create_blank_cursor()
-{
- return gdk_cursor_new(GDK_BLANK_CURSOR);
+GdkCursor* create_blank_cursor(){
+ return gdk_cursor_new( GDK_BLANK_CURSOR );
}
-void blank_cursor(ui::Widget widget)
-{
- GdkCursor *cursor = create_blank_cursor();
- gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
- gdk_cursor_unref(cursor);
+void set_cursor( ui::Widget widget, GdkCursorType cursor_type ){
+ GdkCursor* cursor = gdk_cursor_new( cursor_type );
+ gdk_window_set_cursor( gtk_widget_get_window( widget ), cursor );
+ gdk_cursor_unref( cursor );
}
-void default_cursor(ui::Widget widget)
-{
- gdk_window_set_cursor(gtk_widget_get_window(widget), 0);
+void blank_cursor( ui::Widget widget ){
+ set_cursor( widget, GDK_BLANK_CURSOR );
}
+void default_cursor( ui::Widget widget ){
+ gdk_window_set_cursor( gtk_widget_get_window( widget ), NULL );
+}
-void Sys_GetCursorPos(ui::Window window, int *x, int *y)
-{
- gdk_display_get_pointer(gdk_display_get_default(), 0, x, y, 0);
+void Sys_GetCursorPos( ui::Widget widget, int *x, int *y ){
+ GdkDisplay *display = gtk_widget_get_display( GTK_WIDGET( widget ) );
+ // No need to store the screen, it will be recovered from widget again.
+ gdk_display_get_pointer( display, NULL, x, y, NULL );
}
-void Sys_SetCursorPos(ui::Window window, int x, int y)
-{
- GdkScreen *screen;
- gdk_display_get_pointer(gdk_display_get_default(), &screen, 0, 0, 0);
- gdk_display_warp_pointer(gdk_display_get_default(), screen, x, y);
+void Sys_SetCursorPos( ui::Widget widget, int x, int y ){
+ GdkDisplay *display = gtk_widget_get_display( GTK_WIDGET( widget ) );
+ GdkScreen *screen = gtk_widget_get_screen( GTK_WIDGET( widget ) );
+ gdk_display_warp_pointer( display, screen, x, y );
}
gboolean DeferredMotion::gtk_motion(ui::Widget widget, GdkEventMotion *event, DeferredMotion *self)
{
- self->motion(event->x, event->y, event->state);
+ self->motion( event->x, event->y, event->state );
return FALSE;
}
-gboolean FreezePointer::motion_delta(ui::Window widget, GdkEventMotion *event, FreezePointer *self)
+gboolean FreezePointer::motion_delta(ui::Widget widget, GdkEventMotion *event, FreezePointer *self)
{
- int current_x, current_y;
- Sys_GetCursorPos(widget, ¤t_x, ¤t_y);
- int dx = current_x - self->last_x;
- int dy = current_y - self->last_y;
- int ddx = current_x - self->recorded_x;
- int ddy = current_y - self->recorded_y;
- self->last_x = current_x;
- self->last_y = current_y;
- if (dx != 0 || dy != 0) {
- //globalOutputStream() << "motion x: " << dx << ", y: " << dy << "\n";
- if (ddx < -32 || ddx > 32 || ddy < -32 || ddy > 32) {
- Sys_SetCursorPos(widget, self->recorded_x, self->recorded_y);
- self->last_x = self->recorded_x;
- self->last_y = self->recorded_y;
- }
- self->m_function(dx, dy, event->state, self->m_data);
- }
- return FALSE;
+ /* FIXME: The pointer can be lost outside of the XY Window
+ or the Camera Window, see the comment in freeze_pointer function */
+ int current_x, current_y;
+ Sys_GetCursorPos( widget, ¤t_x, ¤t_y );
+ int dx = current_x - self->last_x;
+ int dy = current_y - self->last_y;
+ self->last_x = current_x;
+ self->last_y = current_y;
+ if ( dx != 0 || dy != 0 ) {
+ //globalOutputStream() << "motion x: " << dx << ", y: " << dy << "\n";
+#if defined(WORKAROUND_MACOS_GTK2_LAGGYPOINTER)
+ ui::Dimensions dimensions = widget.dimensions();
+ int window_x, window_y;
+ int translated_x, translated_y;
+
+ gdk_window_get_origin( gtk_widget_get_window( widget ), &window_x, &window_y);
+
+
+ translated_x = current_x - ( window_x );
+ translated_y = current_y - ( window_y );
+
+#if 0
+ int widget_x, widget_y;
+ gtk_widget_translate_coordinates( GTK_WIDGET( widget ), gtk_widget_get_toplevel( GTK_WIDGET( widget ) ), 0, 0, &widget_x, &widget_y);
+
+ globalOutputStream()
+ << "window_x: " << window_x
+ << ", window_y: " << window_y
+ << ", widget_x: " << widget_x
+ << ", widget_y: " << widget_y
+ << ", current x: " << current_x
+ << ", current_y: " << current_y
+ << ", translated x: " << translated_x
+ << ", translated_y: " << translated_y
+ << ", width: " << dimensions.width
+ << ", height: " << dimensions.height
+ << "\n";
+#endif
+
+ if ( translated_x < 32 || translated_x > dimensions.width - 32
+ || translated_y < 32 || translated_y > dimensions.height - 32 ) {
+#if 0
+ // Reposition the pointer to the widget center.
+ int reposition_x = window_x + dimensions.width / 2;
+ int reposition_y = window_y + dimensions.height / 2;
+#else
+ // Move the pointer to the opposite side of the XY Window
+ // to maximize the distance that can be moved again.
+ int reposition_x = current_x;
+ int reposition_y = current_y;
+
+ if ( translated_x < 32 ) {
+ reposition_x = window_x + dimensions.width - 32;
+ }
+ else if ( translated_x > dimensions.width - 32 ) {
+ reposition_x = window_x + 32;
+ }
+
+ if ( translated_y < 32 ) {
+ reposition_y = window_y + dimensions.height - 32;
+ }
+ else if ( translated_y > dimensions.height - 32 ) {
+ reposition_y = window_y + 32;
+ }
+#endif
+
+ Sys_SetCursorPos( widget, reposition_x, reposition_y );
+ self->last_x = reposition_x;
+ self->last_y = reposition_y;
+ }
+#else
+ int ddx = current_x - self->recorded_x;
+ int ddy = current_y - self->recorded_y;
+ if (ddx < -32 || ddx > 32 || ddy < -32 || ddy > 32) {
+ Sys_SetCursorPos( widget, self->recorded_x, self->recorded_y );
+ self->last_x = self->recorded_x;
+ self->last_y = self->recorded_y;
+ }
+#endif
+ self->m_function( dx, dy, event->state, self->m_data );
+ }
+ return FALSE;
}
-void FreezePointer::freeze_pointer(ui::Window window, FreezePointer::MotionDeltaFunction function, void *data)
+void FreezePointer::freeze_pointer(ui::Widget widget, FreezePointer::MotionDeltaFunction function, void *data)
{
- ASSERT_MESSAGE(m_function == 0, "can't freeze pointer");
-
- const GdkEventMask mask = static_cast<GdkEventMask>( GDK_POINTER_MOTION_MASK
- | GDK_POINTER_MOTION_HINT_MASK
- | GDK_BUTTON_MOTION_MASK
- | GDK_BUTTON1_MOTION_MASK
- | GDK_BUTTON2_MOTION_MASK
- | GDK_BUTTON3_MOTION_MASK
- | GDK_BUTTON_PRESS_MASK
- | GDK_BUTTON_RELEASE_MASK
- | GDK_VISIBILITY_NOTIFY_MASK );
-
- GdkCursor *cursor = create_blank_cursor();
- //GdkGrabStatus status =
- gdk_pointer_grab(gtk_widget_get_window(window), TRUE, mask, 0, cursor, GDK_CURRENT_TIME);
- gdk_cursor_unref(cursor);
-
- Sys_GetCursorPos(window, &recorded_x, &recorded_y);
-
- Sys_SetCursorPos(window, recorded_x, recorded_y);
-
- last_x = recorded_x;
- last_y = recorded_y;
-
- m_function = function;
- m_data = data;
-
- handle_motion = window.connect("motion_notify_event", G_CALLBACK(motion_delta), this);
+ /* FIXME: This bug can happen if the pointer goes outside of the
+ XY Window while the right mouse button is not released,
+ the XY Window loses focus and can't read the right mouse button
+ release event and then cannot unfreeze the pointer, meaning the
+ user can attempt to freeze the pointer in another XY window.
+
+ This can happen with touch screen, especially those used to drive
+ virtual machine pointers, the cursor can be teleported outside of
+ the XY Window while maintaining pressure on the right mouse button.
+ This can also happen when the render is slow.
+
+ The bug also occurs with the Camera Window.
+
+ FIXME: It's would be possible to tell the user to save the map
+ at assert time before crashing because this bug does not corrupt
+ map saving. */
+ ASSERT_MESSAGE( m_function == 0, "can't freeze pointer" );
+
+ const GdkEventMask mask = static_cast<GdkEventMask>( GDK_POINTER_MOTION_MASK
+ | GDK_POINTER_MOTION_HINT_MASK
+ | GDK_BUTTON_MOTION_MASK
+ | GDK_BUTTON1_MOTION_MASK
+ | GDK_BUTTON2_MOTION_MASK
+ | GDK_BUTTON3_MOTION_MASK
+ | GDK_BUTTON_PRESS_MASK
+ | GDK_BUTTON_RELEASE_MASK
+ | GDK_VISIBILITY_NOTIFY_MASK );
+
+#if defined(WORKAROUND_MACOS_GTK2_LAGGYPOINTER)
+ /* Keep the pointer visible during the move operation.
+ Because of a bug, it remains visible even if we give
+ the order to hide it anyway.
+ Other parts of the code assume the pointer is visible,
+ so make sure it is consistently visible accross
+ third-party updates that may fix the mouse pointer
+ visibility issue. */
+#else
+ GdkCursor* cursor = create_blank_cursor();
+ //GdkGrabStatus status =
+ gdk_pointer_grab( gtk_widget_get_window( widget ), TRUE, mask, 0, cursor, GDK_CURRENT_TIME );
+ gdk_cursor_unref( cursor );
+#endif
+
+ Sys_GetCursorPos( widget, &recorded_x, &recorded_y );
+
+ Sys_SetCursorPos( widget, recorded_x, recorded_y );
+
+ last_x = recorded_x;
+ last_y = recorded_y;
+
+ m_function = function;
+ m_data = data;
+
+ handle_motion = widget.connect( "motion_notify_event", G_CALLBACK( motion_delta ), this );
}
-void FreezePointer::unfreeze_pointer(ui::Window window)
+void FreezePointer::unfreeze_pointer(ui::Widget widget)
{
- g_signal_handler_disconnect(G_OBJECT(window), handle_motion);
+ g_signal_handler_disconnect( G_OBJECT( widget ), handle_motion );
- m_function = 0;
- m_data = 0;
+ m_function = 0;
+ m_data = 0;
- Sys_SetCursorPos(window, recorded_x, recorded_y);
+#if defined(WORKAROUND_MACOS_GTK2_LAGGYPOINTER)
+ /* The pointer was visible during all the move operation,
+ so, keep the current position. */
+#else
+ Sys_SetCursorPos( widget, recorded_x, recorded_y );
+#endif
- gdk_pointer_ungrab(GDK_CURRENT_TIME);
+ gdk_pointer_ungrab( GDK_CURRENT_TIME );
}