vcl/unx/gtk3/gtkinst.cxx | 133 ++++++++++++++++++++++++++++++++++++++++++-----
1 file changed, 121 insertions(+), 12 deletions(-)
New commits:
commit b8fff7f442f5ddeb83d9bcb9f48e402954a4ab45
Author: Caolán McNamara <caol...@redhat.com>
AuthorDate: Fri May 28 12:14:59 2021 +0100
Commit: Caolán McNamara <caol...@redhat.com>
CommitDate: Fri May 28 14:58:33 2021 +0200
gtk4: reenable DrawingArea mouse clicks
Change-Id: If2985a28365da472111877b45c20fb880b818c89
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/116326
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caol...@redhat.com>
diff --git a/vcl/unx/gtk3/gtkinst.cxx b/vcl/unx/gtk3/gtkinst.cxx
index d2b7bd7b20a6..6a8debab4a19 100644
--- a/vcl/unx/gtk3/gtkinst.cxx
+++ b/vcl/unx/gtk3/gtkinst.cxx
@@ -1905,7 +1905,6 @@ class GtkInstanceBuilder;
#endif
}
-#if !GTK_CHECK_VERSION(4, 0, 0)
static MouseEventModifiers ImplGetMouseButtonMode(sal_uInt16 nButton,
sal_uInt16 nCode)
{
MouseEventModifiers nMode = MouseEventModifiers::NONE;
@@ -1922,6 +1921,7 @@ static MouseEventModifiers
ImplGetMouseButtonMode(sal_uInt16 nButton, sal_uInt16
return nMode;
}
+#if !GTK_CHECK_VERSION(4, 0, 0)
static MouseEventModifiers ImplGetMouseMoveMode(sal_uInt16 nCode)
{
MouseEventModifiers nMode = MouseEventModifiers::NONE;
@@ -2324,9 +2324,26 @@ protected:
{
if (!m_nButtonPressSignalId)
{
+#if GTK_CHECK_VERSION(4, 0, 0)
+ GtkEventController* pClickController = get_click_controller();
+ m_nButtonPressSignalId = g_signal_connect(pClickController,
"pressed", G_CALLBACK(signalButtonPress), this);
+#else
ensureMouseEventWidget();
-#if !GTK_CHECK_VERSION(4, 0, 0)
- m_nButtonPressSignalId = g_signal_connect(m_pMouseEventBox,
"button-press-event", G_CALLBACK(signalButton), this);
+ m_nButtonPressSignalId = g_signal_connect(m_pMouseEventBox,
"button-press-event", G_CALLBACK(signalButtonPress), this);
+#endif
+ }
+ }
+
+ void ensureButtonReleaseSignal()
+ {
+ if (!m_nButtonReleaseSignalId)
+ {
+#if GTK_CHECK_VERSION(4, 0, 0)
+ GtkEventController* pClickController = get_click_controller();
+ m_nButtonReleaseSignalId = g_signal_connect(pClickController,
"released", G_CALLBACK(signalButtonRelease), this);
+#else
+ ensureMouseEventWidget();
+ m_nButtonReleaseSignalId = g_signal_connect(m_pMouseEventBox,
"button-release-event", G_CALLBACK(signalButtonRelease), this);
#endif
}
}
@@ -2400,10 +2417,12 @@ private:
#endif
int m_nWaitCount;
int m_nFreezeCount;
-#if !GTK_CHECK_VERSION(4, 0, 0)
sal_uInt16 m_nLastMouseButton;
+#if !GTK_CHECK_VERSION(4, 0, 0)
sal_uInt16 m_nLastMouseClicks;
+#endif
int m_nPressedButton;
+#if !GTK_CHECK_VERSION(4, 0, 0)
int m_nPressStartX;
int m_nPressStartY;
#endif
@@ -2437,6 +2456,7 @@ private:
#if GTK_CHECK_VERSION(4, 0, 0)
GtkEventController* m_pFocusController;
+ GtkEventController* m_pClickController;
#endif
rtl::Reference<GtkInstDropTarget> m_xDropTarget;
@@ -2463,8 +2483,69 @@ private:
return false;
}
-#if !GTK_CHECK_VERSION(4, 0, 0)
- static gboolean signalButton(GtkWidget*, GdkEventButton* pEvent, gpointer
widget)
+#if GTK_CHECK_VERSION(4, 0, 0)
+ static void signalButtonPress(GtkGestureClick* pGesture, int /*n_press*/,
gdouble x, gdouble y, gpointer widget)
+ {
+ GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+ SolarMutexGuard aGuard;
+ pThis->signal_button(pGesture, SalEvent::MouseButtonDown, x, y);
+ }
+
+ static void signalButtonRelease(GtkGestureClick* pGesture, int
/*n_press*/, gdouble x, gdouble y, gpointer widget)
+ {
+ GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+ SolarMutexGuard aGuard;
+ pThis->signal_button(pGesture, SalEvent::MouseButtonUp, x, y);
+ }
+
+ void signal_button(GtkGestureClick* pGesture, SalEvent nEventType, gdouble
x, gdouble y)
+ {
+ m_nPressedButton = -1;
+
+ Point aPos(x, y);
+ if (SwapForRTL())
+ aPos.setX(gtk_widget_get_allocated_width(m_pWidget) - 1 -
aPos.X());
+
+ GdkModifierType eType =
gtk_event_controller_get_current_event_state(GTK_EVENT_CONTROLLER(pGesture));
+ int nButton =
gtk_gesture_single_get_current_button(GTK_GESTURE_SINGLE(pGesture));
+
+ switch (nButton)
+ {
+ case 1:
+ m_nLastMouseButton = MOUSE_LEFT;
+ break;
+ case 2:
+ m_nLastMouseButton = MOUSE_MIDDLE;
+ break;
+ case 3:
+ m_nLastMouseButton = MOUSE_RIGHT;
+ break;
+ default:
+ return;
+ }
+
+ sal_uInt32 nModCode = GtkSalFrame::GetMouseModCode(eType);
+ // strip out which buttons are involved from the nModCode and replace
with m_nLastMouseButton
+ sal_uInt16 nCode = m_nLastMouseButton | (nModCode & (KEY_SHIFT |
KEY_MOD1 | KEY_MOD2));
+ MouseEvent aMEvt(aPos, 1, ImplGetMouseButtonMode(m_nLastMouseButton,
nModCode), nCode, nCode);
+
+ if (nEventType == SalEvent::MouseButtonDown &&
m_aMousePressHdl.Call(aMEvt))
+ gtk_gesture_set_state(GTK_GESTURE(pGesture),
GTK_EVENT_SEQUENCE_CLAIMED);
+
+ if (nEventType == SalEvent::MouseButtonUp &&
m_aMouseReleaseHdl.Call(aMEvt))
+ gtk_gesture_set_state(GTK_GESTURE(pGesture),
GTK_EVENT_SEQUENCE_CLAIMED);
+ }
+
+#else
+
+ static gboolean signalButtonPress(GtkWidget*, GdkEventButton* pEvent,
gpointer widget)
+ {
+ GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
+ SolarMutexGuard aGuard;
+ return pThis->signal_button(pEvent);
+ }
+
+ static gboolean signalButtonRelease(GtkWidget*, GdkEventButton* pEvent,
gpointer widget)
{
GtkInstanceWidget* pThis = static_cast<GtkInstanceWidget*>(widget);
SolarMutexGuard aGuard;
@@ -2811,10 +2892,12 @@ public:
#endif
, m_nWaitCount(0)
, m_nFreezeCount(0)
-#if !GTK_CHECK_VERSION(4, 0, 0)
, m_nLastMouseButton(0)
+#if !GTK_CHECK_VERSION(4, 0, 0)
, m_nLastMouseClicks(0)
+#endif
, m_nPressedButton(-1)
+#if !GTK_CHECK_VERSION(4, 0, 0)
, m_nPressStartX(-1)
, m_nPressStartY(-1)
#endif
@@ -2845,6 +2928,7 @@ public:
, m_nDragGetSignalId(0)
#if GTK_CHECK_VERSION(4, 0, 0)
, m_pFocusController(nullptr)
+ , m_pClickController(nullptr)
#endif
{
if (!bTakeOwnership)
@@ -2893,11 +2977,7 @@ public:
virtual void connect_mouse_release(const Link<const MouseEvent&, bool>&
rLink) override
{
- ensureMouseEventWidget();
-#if !GTK_CHECK_VERSION(4, 0, 0)
- if (!m_nButtonReleaseSignalId)
- m_nButtonReleaseSignalId = g_signal_connect(m_pMouseEventBox,
"button-release-event", G_CALLBACK(signalButton), this);
-#endif
+ ensureButtonReleaseSignal();
weld::Widget::connect_mouse_release(rLink);
}
@@ -3348,6 +3428,22 @@ public:
}
return m_pFocusController;
}
+
+#if GTK_CHECK_VERSION(4, 0, 0)
+ GtkEventController* get_click_controller()
+ {
+ if (!m_pClickController)
+ {
+ GtkGesture *pClick = gtk_gesture_click_new();
+ gtk_gesture_single_set_button(GTK_GESTURE_SINGLE(pClick), 0);
+ m_pClickController = GTK_EVENT_CONTROLLER(pClick);
+ gtk_widget_add_controller(m_pWidget, m_pClickController);
+ }
+ return m_pClickController;
+ }
+#endif
+
+
#endif
virtual void connect_focus_in(const Link<Widget&, void>& rLink) override
@@ -3570,15 +3666,28 @@ public:
if (m_nKeyReleaseSignalId)
g_signal_handler_disconnect(m_pWidget, m_nKeyReleaseSignalId);
if (m_nButtonPressSignalId)
+ {
+#if GTK_CHECK_VERSION(4, 0, 0)
+ g_signal_handler_disconnect(get_click_controller(),
m_nButtonPressSignalId);
+#else
g_signal_handler_disconnect(m_pMouseEventBox,
m_nButtonPressSignalId);
+#endif
+ }
if (m_nMotionSignalId)
g_signal_handler_disconnect(m_pMouseEventBox, m_nMotionSignalId);
if (m_nLeaveSignalId)
g_signal_handler_disconnect(m_pMouseEventBox, m_nLeaveSignalId);
if (m_nEnterSignalId)
g_signal_handler_disconnect(m_pMouseEventBox, m_nEnterSignalId);
+
if (m_nButtonReleaseSignalId)
+ {
+#if GTK_CHECK_VERSION(4, 0, 0)
+ g_signal_handler_disconnect(get_click_controller(),
m_nButtonReleaseSignalId);
+#else
g_signal_handler_disconnect(m_pMouseEventBox,
m_nButtonReleaseSignalId);
+#endif
+ }
if (m_nFocusInSignalId)
{
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