X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fnetradiant.git;a=blobdiff_plain;f=libs%2Fgtkutil%2Fcursor.cpp;h=69e95e88aa392c37d9734c0509ed30885cfef143;hp=f123854d04d7ccfa10ba1401b3ef1101c00efec2;hb=9d606a0b3be053550486b8f1a00255e340ccf8a8;hpb=2c72b6c4c150177c2d853b2b79c98976c9dcb9b8

diff --git a/libs/gtkutil/cursor.cpp b/libs/gtkutil/cursor.cpp
index f123854d..69e95e88 100644
--- a/libs/gtkutil/cursor.cpp
+++ b/libs/gtkutil/cursor.cpp
@@ -25,6 +25,7 @@
 
 #include <string.h>
 #include <gdk/gdk.h>
+#include <gtk/gtk.h>
 
 
 GdkCursor* create_blank_cursor(){
@@ -51,3 +52,75 @@ void Sys_SetCursorPos( ui::Window window, int x, int y ){
 	gdk_display_get_pointer( gdk_display_get_default(), &screen, 0, 0, 0 );
 	gdk_display_warp_pointer( gdk_display_get_default(), screen, x, y );
 }
+
+gboolean DeferredMotion::gtk_motion(ui::Widget widget, GdkEventMotion *event, DeferredMotion *self)
+{
+    self->motion( event->x, event->y, event->state );
+    return FALSE;
+}
+
+gboolean FreezePointer::motion_delta(ui::Widget widget, GdkEventMotion *event, FreezePointer *self)
+{
+	int current_x, current_y;
+	Sys_GetCursorPos( ui::Window(GTK_WINDOW( widget )), &current_x, &current_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( ui::Window(GTK_WINDOW( 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;
+}
+
+void FreezePointer::freeze_pointer(ui::Window window, 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(GTK_WIDGET(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 );
+}
+
+void FreezePointer::unfreeze_pointer(ui::Window window)
+{
+	g_signal_handler_disconnect( G_OBJECT( window ), handle_motion );
+
+	m_function = 0;
+	m_data = 0;
+
+	Sys_SetCursorPos( window, recorded_x, recorded_y );
+
+	gdk_pointer_ungrab( GDK_CURRENT_TIME );
+}