gboolean XInputUtils::onMouseLeaveNotifyEvent(GtkWidget* widget,
GdkEventCrossing* event)
{
if(!XInputUtils::enableLeafEnterWorkaround)
{
return FALSE;
}
INPUTDBG("leave notify (mode=%d, details=%d)\n", event->mode, event->detail);
/* emergency disable XInput to avoid segfaults (GTK+ 2.17) or
interface non-responsiveness (GTK+ 2.18) */
if (!gtk_check_version(2, 17, 0))
{
gdk_flush();
gdk_error_trap_push();
for (GList* dev_list = gdk_devices_list(); dev_list != NULL;
dev_list = dev_list->next)
{
GdkDevice* dev = GDK_DEVICE(dev_list->data);
gdk_device_set_mode(dev, GDK_MODE_DISABLED);
}
gdk_flush();
gdk_error_trap_pop();
}
return FALSE;
}
gboolean XInputUtils::onMouseEnterNotifyEvent(GtkWidget* widget,
GdkEventCrossing* event)
{
if(!XInputUtils::enableLeafEnterWorkaround)
{
return FALSE;
}
INPUTDBG("enter notify\n");
/* re-enable input devices after they've been emergency-disabled
by leave_notify */
if (!gtk_check_version(2, 17, 0))
{
gdk_flush();
gdk_error_trap_push();
for (GList* dev_list = gdk_devices_list(); dev_list != NULL;
dev_list = dev_list->next)
{
GdkDevice* dev = GDK_DEVICE(dev_list->data);
gdk_device_set_mode(dev, GDK_MODE_SCREEN);
}
gdk_flush();
gdk_error_trap_pop();
}
return FALSE;
}
gboolean gtk_xournal_button_release_event(GtkWidget* widget,
GdkEventButton* event)
{
#ifdef INPUT_DEBUG
gboolean isCore = (event->device == gdk_device_get_core_pointer());
INPUTDBG("ButtonRelease (%s) (x,y)=(%.2f,%.2f), button %d, modifier %x, isCore %i",
gdk_device_get_name(event->device), event->x, event->y,
event->button, event->state, isCore);
#endif
XInputUtils::fixXInputCoords((GdkEvent*) event, widget);
if (event->button > 3) // scroll wheel events
{
return true;
}
current_view = NULL;
GtkXournal* xournal = GTK_XOURNAL(widget);
Cursor* cursor = xournal->view->getCursor();
ToolHandler* h = xournal->view->getControl()->getToolHandler();
cursor->setMouseDown(false);
xournal->inScrolling = false;
EditSelection* sel = xournal->view->getSelection();
if (sel)
{
sel->mouseUp();
}
bool res = false;
if (xournal->currentInputPage)
{
xournal->currentInputPage->translateEvent((GdkEvent*) event, xournal->x,
xournal->y);
res = xournal->currentInputPage->onButtonReleaseEvent(widget, event);
xournal->currentInputPage = NULL;
}
EditSelection* tmpSelection = xournal->selection;
xournal->selection = NULL;
h->restoreLastConfig();
// we need this workaround so it's possible to select something with the middle button
if (tmpSelection)
{
xournal->view->setSelection(tmpSelection);
}
return res;
}
gboolean gtk_xournal_scroll_event(GtkWidget * widget, GdkEventScroll * event) {
#ifdef INPUT_DEBUG
// true: Core event, false: XInput event
gboolean isCore = (event->device == gdk_device_get_core_pointer());
INPUTDBG("Scroll (%s) (x,y)=(%.2f,%.2f), direction %d, modifier %x, isCore %i", gdk_device_get_name(event->device), event->x, event->y,
event->direction, event->state, isCore);
#endif
g_return_val_if_fail(GTK_XOURNAL(widget), FALSE);
g_return_val_if_fail(event != NULL, FALSE);
GtkXournal * xournal = GTK_XOURNAL(widget);
return xournal->layout->scrollEvent(event);
}
gboolean gtk_xournal_motion_notify_event(GtkWidget * widget, GdkEventMotion * event) {
#ifdef INPUT_DEBUG
bool is_core = (event->device == gdk_device_get_core_pointer());
INPUTDBG("MotionNotify (%s) (x,y)=(%.2f,%.2f), modifier %x", is_core ? "core" : "xinput", event->x, event->y, event->state);
#endif
XInputUtils::fixXInputCoords((GdkEvent*) event, widget);
GtkXournal * xournal = GTK_XOURNAL(widget);
ToolHandler * h = xournal->view->getControl()->getToolHandler();
if (h->getToolType() == TOOL_HAND) {
if (xournal->inScrolling) {
gtk_xournal_scroll_mouse_event(xournal, event);
return true;
}
return false;
} else if (xournal->selection) {
EditSelection * selection = xournal->selection;
PageView * view = selection->getView();
GdkEventMotion ev = *event;
view->translateEvent((GdkEvent*) &ev, xournal->x, xournal->y);
if (xournal->selection->isMoving()) {
selection->mouseMove(ev.x, ev.y);
} else {
CursorSelectionType selType = selection->getSelectionTypeForPos(ev.x, ev.y, xournal->view->getZoom());
xournal->view->getCursor()->setMouseSelectionType(selType);
}
return true;
}
PageView * pv = gtk_xournal_get_page_view_for_pos_cached(xournal, event->x, event->y);
xournal->view->getCursor()->setInsidePage(pv != NULL);
if (pv) {
// allow events only to a single page!
if (xournal->currentInputPage == NULL || pv == xournal->currentInputPage) {
pv->translateEvent((GdkEvent*) event, xournal->x, xournal->y);
return pv->onMotionNotifyEvent(widget, event);;
}
}
return false;
}
gboolean gtk_xournal_button_press_event(GtkWidget* widget,
GdkEventButton* event)
{
/**
* true: Core event, false: XInput event
*/
gboolean isCore = (event->device == gdk_device_get_core_pointer());
INPUTDBG("ButtonPress (%s) (x,y)=(%.2f,%.2f), button %d, modifier %x, isCore %i",
gdk_device_get_name(event->device), event->x, event->y,
event->button, event->state, isCore);
GtkXournal* xournal = GTK_XOURNAL(widget);
Settings* settings = xournal->view->getControl()->getSettings();
if(isCore && settings->isXinputEnabled() && settings->isIgnoreCoreEvents())
{
INPUTDBG2("gtk_xournal_button_press_event return false (ignore core)");
return false;
}
XInputUtils::fixXInputCoords((GdkEvent*) event, widget);
if (event->type != GDK_BUTTON_PRESS)
{
INPUTDBG2("gtk_xournal_button_press_event return false (event->type != GDK_BUTTON_PRESS)");
return false; // this event is not handled here
}
if (event->button > 3) // scroll wheel events
{
XInputUtils::handleScrollEvent(event, widget);
INPUTDBG2("gtk_xournal_button_press_event return true handled scroll event");
return true;
}
gtk_widget_grab_focus(widget);
// none button release event was sent, send one now
if (xournal->currentInputPage)
{
INPUTDBG2("gtk_xournal_button_press_event (xournal->currentInputPage != NULL)");
GdkEventButton ev = *event;
xournal->currentInputPage->translateEvent((GdkEvent*) &ev, xournal->x,
xournal->y);
xournal->currentInputPage->onButtonReleaseEvent(widget, &ev);
}
ToolHandler* h = xournal->view->getControl()->getToolHandler();
// Change the tool depending on the key or device
if(change_tool(settings, event, xournal))
return true;
// hand tool don't change the selection, so you can scroll e.g.
// with your touchscreen without remove the selection
if (h->getToolType() == TOOL_HAND)
{
Cursor* cursor = xournal->view->getCursor();
cursor->setMouseDown(true);
xournal->lastMousePositionX = 0;
xournal->lastMousePositionY = 0;
xournal->inScrolling = true;
gtk_widget_get_pointer(widget, &xournal->lastMousePositionX,
&xournal->lastMousePositionY);
INPUTDBG2("gtk_xournal_button_press_event (h->getToolType() == TOOL_HAND) return true");
return true;
}
else if (xournal->selection)
{
EditSelection* selection = xournal->selection;
PageView* view = selection->getView();
GdkEventButton ev = *event;
view->translateEvent((GdkEvent*) &ev, xournal->x, xournal->y);
CursorSelectionType selType = selection->getSelectionTypeForPos(ev.x, ev.y,
xournal->view->getZoom());
if (selType)
{
if(selType == CURSOR_SELECTION_MOVE && event->button == 3)
{
selection->copySelection();
}
xournal->view->getCursor()->setMouseDown(true);
xournal->selection->mouseDown(selType, ev.x, ev.y);
INPUTDBG2("gtk_xournal_button_press_event (selection) return true");
return true;
}
else
{
xournal->view->clearSelection();
if(change_tool(settings, event, xournal))
return true;
}
}
PageView* pv = gtk_xournal_get_page_view_for_pos_cached(xournal, event->x,
event->y);
current_view = pv;
if (pv)
{
xournal->currentInputPage = pv;
pv->translateEvent((GdkEvent*) event, xournal->x, xournal->y);
INPUTDBG2("gtk_xournal_button_press_event (pv->onButtonPressEvent) return");
xournal->view->getDocument()->indexOf(pv->getPage());
return pv->onButtonPressEvent(widget, event);
}
INPUTDBG2("gtk_xournal_button_press_event (not handled) return false");
return false; // not handled
}
void InputHandler::onButtonReleaseEvent(GdkEventButton * event, PageRef page) {
XOJ_CHECK_TYPE(InputHandler);
if (!this->tmpStroke) {
return;
}
// Backward compatibility and also easier to handle for me;-)
// I cannot draw a line with one point, to draw a visible line I need two points,
// twice the same Point is also OK
if (this->tmpStroke->getPointCount() == 1) {
ArrayIterator<Point> it = this->tmpStroke->pointIterator();
if (it.hasNext()) {
this->tmpStroke->addPoint(it.next());
}
// No pressure sensitivity
this->tmpStroke->clearPressure();
}
this->tmpStroke->freeUnusedPointItems();
if (page.getSelectedLayerId() < 1) {
// This creates a layer if none exists
page.getSelectedLayer();
page.setSelectedLayerId(1);
xournal->getControl()->getWindow()->updateLayerCombobox();
}
Layer * layer = page.getSelectedLayer();
UndoRedoHandler * undo = xournal->getControl()->getUndoRedoHandler();
undo->addUndoAction(new InsertUndoAction(page, layer, this->tmpStroke, this->redrawable));
ToolHandler * h = xournal->getControl()->getToolHandler();
if (h->isShapeRecognizer()) {
if (this->reco == NULL) {
this->reco = new ShapeRecognizer();
}
ShapeRecognizerResult * result = this->reco->recognizePatterns(this->tmpStroke);
if (result != NULL) {
UndoRedoHandler * undo = xournal->getControl()->getUndoRedoHandler();
Stroke * recognized = result->getRecognized();
RecognizerUndoAction * recognizerUndo = new RecognizerUndoAction(page, this->redrawable, layer, this->tmpStroke, recognized);
undo->addUndoAction(recognizerUndo);
layer->addElement(result->getRecognized());
Range range(recognized->getX(), recognized->getY());
range.addPoint(recognized->getX() + recognized->getElementWidth(), recognized->getY() + recognized->getElementHeight());
range.addPoint(this->tmpStroke->getX(), this->tmpStroke->getY());
range.addPoint(this->tmpStroke->getX() + this->tmpStroke->getElementWidth(), this->tmpStroke->getY() + this->tmpStroke->getElementHeight());
ListIterator<Stroke *> l = result->getSources();
while (l.hasNext()) {
Stroke * s = l.next();
layer->removeElement(s, false);
recognizerUndo->addSourceElement(s);
range.addPoint(s->getX(), s->getY());
range.addPoint(s->getX() + s->getElementWidth(), s->getY() + s->getElementHeight());
}
this->redrawable->rerenderRange(range);
// delete the result object, this is not needed anymore, the stroke are not deleted with this
delete result;
} else {
layer->addElement(this->tmpStroke);
this->redrawable->rerenderElement(this->tmpStroke);
}
} else {
layer->addElement(this->tmpStroke);
this->redrawable->rerenderElement(this->tmpStroke);
}
this->tmpStroke = NULL;
if (currentInputDevice == event->device) {
currentInputDevice = NULL;
INPUTDBG("currentInputDevice = NULL\n", 0);
}
this->tmpStrokeDrawElem = 0;
}
gboolean gtk_xournal_button_press_event(GtkWidget * widget, GdkEventButton * event) {
/**
* true: Core event, false: XInput event
*/
gboolean isCore = (event->device == gdk_device_get_core_pointer());
INPUTDBG("ButtonPress (%s) (x,y)=(%.2f,%.2f), button %d, modifier %x, isCore %i", gdk_device_get_name(event->device), event->x, event->y,
event->button, event->state, isCore);
GtkXournal * xournal = GTK_XOURNAL(widget);
Settings * settings = xournal->view->getControl()->getSettings();
if(isCore && settings->isXinputEnabled() && settings->isIgnoreCoreEvents()) {
INPUTDBG2("gtk_xournal_button_press_event return false (ignore core)");
return false;
}
XInputUtils::fixXInputCoords((GdkEvent*) event, widget);
if (event->type != GDK_BUTTON_PRESS) {
INPUTDBG2("gtk_xournal_button_press_event return false (event->type != GDK_BUTTON_PRESS)");
return false; // this event is not handled here
}
if (event->button > 3) { // scroll wheel events
XInputUtils::handleScrollEvent(event, widget);
INPUTDBG2("gtk_xournal_button_press_event return true handled scroll event");
return true;
}
gtk_widget_grab_focus(widget);
ToolHandler * h = xournal->view->getControl()->getToolHandler();
// none button release event was sent, send one now
if (xournal->currentInputPage) {
INPUTDBG2("gtk_xournal_button_press_event (xournal->currentInputPage != NULL)");
GdkEventButton ev = *event;
xournal->currentInputPage->translateEvent((GdkEvent*) &ev, xournal->x, xournal->y);
xournal->currentInputPage->onButtonReleaseEvent(widget, &ev);
}
// Change the tool depending on the key or device
ButtonConfig * cfg = NULL;
ButtonConfig * cfgTouch = settings->getTouchButtonConfig();
if (event->button == 2) { // Middle Button
cfg = settings->getMiddleButtonConfig();
} else if (event->button == 3) { // Right Button
cfg = settings->getRightButtonConfig();
} else if (event->device->source == GDK_SOURCE_ERASER) {
cfg = settings->getEraserButtonConfig();
} else if (cfgTouch->device == event->device->name) {
cfg = cfgTouch;
// If an action is defined we do it, even if it's a drawing action...
if (cfg->getDisableDrawing() && cfg->getAction() == TOOL_NONE) {
ToolType tool = h->getToolType();
if (tool == TOOL_PEN || tool == TOOL_ERASER || tool == TOOL_HILIGHTER) {
printf("ignore touchscreen for drawing!\n");
return true;
}
}
}
if (cfg && cfg->getAction() != TOOL_NONE) {
h->copyCurrentConfig();
cfg->acceptActions(h);
}
// hand tool don't change the selection, so you can scroll e.g.
// with your touchscreen without remove the selection
if (h->getToolType() == TOOL_HAND) {
Cursor * cursor = xournal->view->getCursor();
cursor->setMouseDown(true);
xournal->lastMousePositionX = 0;
xournal->lastMousePositionY = 0;
xournal->inScrolling = true;
gtk_widget_get_pointer(widget, &xournal->lastMousePositionX, &xournal->lastMousePositionY);
INPUTDBG2("gtk_xournal_button_press_event (h->getToolType() == TOOL_HAND) return true");
return true;
} else if (xournal->selection) {
EditSelection * selection = xournal->selection;
PageView * view = selection->getView();
GdkEventButton ev = *event;
view->translateEvent((GdkEvent*) &ev, xournal->x, xournal->y);
CursorSelectionType selType = selection->getSelectionTypeForPos(ev.x, ev.y, xournal->view->getZoom());
if (selType) {
xournal->view->getCursor()->setMouseDown(true);
xournal->selection->mouseDown(selType, ev.x, ev.y);
INPUTDBG2("gtk_xournal_button_press_event (selection) return true");
return true;
} else {
xournal->view->clearSelection();
}
}
PageView * pv = gtk_xournal_get_page_view_for_pos_cached(xournal, event->x, event->y);
if (pv) {
xournal->currentInputPage = pv;
pv->translateEvent((GdkEvent*) event, xournal->x, xournal->y);
INPUTDBG2("gtk_xournal_button_press_event (pv->onButtonPressEvent) return");
xournal->view->getDocument()->indexOf(pv->getPage());
return pv->onButtonPressEvent(widget, event);
}
INPUTDBG2("gtk_xournal_button_press_event (not handled) return false");
return false; // not handled
}
