int mapping;
gboolean is_core;
struct Item *item;
+ GdkEvent scroll_event;
+#ifdef INPUT_DEBUG
+ printf("DEBUG: ButtonPress (%s) (x,y)=(%.2f,%.2f), button %d, modifier %x\n",
+ event->device->name, event->x, event->y, event->button, event->state);
+#endif
+
+ if (ui.cur_item_type != ITEM_TEXT) // remove focus from other elements
+ gtk_widget_grab_focus(GTK_WIDGET(canvas));
+
is_core = (event->device == gdk_device_get_core_pointer());
if (!ui.use_xinput && !is_core) return FALSE;
if (ui.use_xinput && is_core && ui.discard_corepointer) return FALSE;
- if (event->button > 3) return FALSE; // no painting with the mouse wheel!
if (event->type != GDK_BUTTON_PRESS) return FALSE;
// double-clicks may have broken axes member (free'd) due to a bug in GDK
+
+ if (event->button > 3) { // scroll wheel events! don't paint...
+ if (ui.use_xinput && !gtk_check_version(2, 17, 0) && event->button <= 7) {
+ /* with GTK+ 2.17 and later, the entire widget hierarchy is xinput-aware,
+ so the core button event gets discarded and the scroll event never
+ gets processed by the main window. This is arguably a GTK+ bug.
+ We work around it. */
+ scroll_event.scroll.type = GDK_SCROLL;
+ scroll_event.scroll.window = event->window;
+ scroll_event.scroll.send_event = event->send_event;
+ scroll_event.scroll.time = event->time;
+ scroll_event.scroll.x = event->x;
+ scroll_event.scroll.y = event->y;
+ scroll_event.scroll.state = event->state;
+ scroll_event.scroll.device = event->device;
+ scroll_event.scroll.x_root = event->x_root;
+ scroll_event.scroll.y_root = event->y_root;
+ if (event->button == 4) scroll_event.scroll.direction = GDK_SCROLL_UP;
+ else if (event->button == 5) scroll_event.scroll.direction = GDK_SCROLL_DOWN;
+ else if (event->button == 6) scroll_event.scroll.direction = GDK_SCROLL_LEFT;
+ else scroll_event.scroll.direction = GDK_SCROLL_RIGHT;
+ printf("sending...\n");
+ gtk_widget_event(GET_COMPONENT("scrolledwindowMain"), &scroll_event);
+ }
+ return FALSE;
+ }
if ((event->state & (GDK_CONTROL_MASK|GDK_MOD1_MASK)) != 0) return FALSE;
// no control-clicking or alt-clicking
if (!is_core)
fix_xinput_coords((GdkEvent *)event);
-#ifdef INPUT_DEBUG
- printf("DEBUG: ButtonDown (%s) (x,y)=(%.2f,%.2f)\n",
- is_core?"core":"xinput", event->x, event->y);
-#endif
if (!finite(event->x) || !finite(event->y)) return FALSE; // Xorg 7.3 bug
if (ui.cur_item_type == ITEM_TEXT) {
// if button_switch_mapping enabled, button 2 or 3 clicks only switch mapping
if (ui.button_switch_mapping && event->button > 1) {
- if (is_core == ui.use_xinput) return FALSE; // duplicate event
- if (ui.cur_mapping == event->button-1) switch_mapping(0);
- else switch_mapping(event->button-1);
+ ui.which_unswitch_button = event->button;
+ switch_mapping(event->button-1);
return FALSE;
}
ui.is_corestroke = is_core;
+ ui.stroke_device = event->device;
if (ui.use_erasertip && event->device->source == GDK_SOURCE_ERASER)
- mapping = NUM_BUTTONS;
- else if (ui.button_switch_mapping) mapping = ui.cur_mapping;
+ mapping = NUM_BUTTONS;
+ else if (ui.button_switch_mapping) {
+ mapping = ui.cur_mapping;
+ if (!mapping && (event->state & GDK_BUTTON2_MASK)) mapping = 1;
+ if (!mapping && (event->state & GDK_BUTTON3_MASK)) mapping = 2;
+ }
else mapping = event->button-1;
// check whether we're in a page
{
gboolean is_core;
- if (ui.cur_item_type == ITEM_NONE) return FALSE; // not doing anything
-
- if (event->button != ui.which_mouse_button) return FALSE; // ignore
+#ifdef INPUT_DEBUG
+ printf("DEBUG: ButtonRelease (%s) (x,y)=(%.2f,%.2f), button %d, modifier %x\n",
+ event->device->name, event->x, event->y, event->button, event->state);
+#endif
is_core = (event->device == gdk_device_get_core_pointer());
if (!ui.use_xinput && !is_core) return FALSE;
if (ui.use_xinput && is_core && !ui.is_corestroke) return FALSE;
if (!is_core) fix_xinput_coords((GdkEvent *)event);
+ if (event->button != ui.which_mouse_button &&
+ event->button != ui.which_unswitch_button)
+ return FALSE;
+
if (ui.cur_item_type == ITEM_STROKE) {
finalize_stroke();
if (ui.cur_brush->recognizer) recognize_patterns();
else if (ui.cur_item_type == ITEM_HAND) {
ui.cur_item_type = ITEM_NONE;
}
+
+ if (!ui.which_unswitch_button || event->button == ui.which_unswitch_button)
+ switch_mapping(0); // will reset ui.which_unswitch_button
- if (!ui.button_switch_mapping || ui.cur_mapping == NUM_BUTTONS)
- switch_mapping(0);
return FALSE;
}
{
gboolean looks_wrong, is_core;
double pt[2];
+ GdkModifierType mask;
/* we don't care about this event unless some operation is in progress;
or if there's a selection (then we might want to change the mouse
if (!is_core) ui.is_corestroke = FALSE;
#ifdef INPUT_DEBUG
- printf("DEBUG: MotionNotify (%s) (x,y)=(%.2f,%.2f)\n",
- is_core?"core":"xinput", event->x, event->y);
+ printf("DEBUG: MotionNotify (%s) (x,y)=(%.2f,%.2f), modifier %x\n",
+ is_core?"core":"xinput", event->x, event->y, event->state);
#endif
looks_wrong = !(event->state & (1<<(7+ui.which_mouse_button)));
+ if (looks_wrong) {
+ gdk_device_get_state(ui.stroke_device, event->window, NULL, &mask);
+ looks_wrong = !(mask & (1<<(7+ui.which_mouse_button)));
+ }
if (looks_wrong) { /* mouse button shouldn't be up... give up */
if (ui.cur_item_type == ITEM_STROKE) {
/* HOW THINGS USED TO BE:
- We'd like ONLY the canvas window itself to receive
- XInput events, while its child window in the GDK hierarchy (also
- associated to the canvas widget) receives the core events.
- This way on_canvas_... will get both types of events -- otherwise,
- the proximity detection code in GDK is broken and we'll lose core
- events.
+ We'd like on_canvas_... to get BOTH core and xinput events. Up to
+ GTK+ 2.16 this is achieved by making only the canvas's parent
+ GdkWindow xinput-aware, rather than the entire hierarchy.
+ Otherwise, the proximity detection code in GDK is broken and
+ we'll lose core events.
Up to GTK+ 2.10, gtk_widget_set_extension_events() only sets
extension events for the widget's main window itself; in GTK+ 2.11
non-responsive).
*/
- // this causes core events to be discarded... unwanted!
-/*
- gtk_widget_set_extension_events(GTK_WIDGET (canvas),
+ if (!gtk_check_version(2, 17, 0)) {
+ /* GTK+ 2.17 and later: everybody shares a single native window,
+ so we'll never get any core events, and we might as well set
+ extension events the way we're supposed to. Doing so helps solve
+ crasher bugs in 2.17, and prevents us from losing two-button
+ events in 2.18 */
+ gtk_widget_set_extension_events(GTK_WIDGET (canvas),
+ ui.use_xinput?GDK_EXTENSION_EVENTS_ALL:GDK_EXTENSION_EVENTS_NONE);
+ } else {
+ /* GTK+ 2.16 and earlier: we only activate extension events on the
+ canvas's parent GdkWindow. This allows us to keep receiving core
+ events. */
+ gdk_input_set_extension_events(GTK_WIDGET(canvas)->window,
+ GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK,
ui.use_xinput?GDK_EXTENSION_EVENTS_ALL:GDK_EXTENSION_EVENTS_NONE);
-*/
-
- // this version only activates extension events on the canvas's parent GdkWindow
- gdk_input_set_extension_events(GTK_WIDGET(canvas)->window,
- GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK,
- ui.use_xinput?GDK_EXTENSION_EVENTS_ALL:GDK_EXTENSION_EVENTS_NONE);
-
+ }
+
update_mappings_menu();
}