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Code Issues Activity Actions

LibGUI: Track double-clicking per individual mouse button.

Browse source 
Clicking two separate buttons in quick succession shouldn't be interpreted
as a double click.
This commit is contained in:
Andreas Kling 2019-04-26 14:15:11 +02:00
parent d4a8e2930e
commit ba2e97aa52
2 changed files with 26 additions and 12 deletions
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28
LibGUI/GWidget.cpp
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@ -155,24 +155,37 @@ void GWidget::handle_resize_event(GResizeEvent& event)
return resize_event(event);
}
CElapsedTimer& GWidget::click_clock(GMouseButton button)
{
switch (button) {
case GMouseButton::Left: return m_left_click_clock;
case GMouseButton::Right: return m_right_click_clock;
case GMouseButton::Middle: return m_middle_click_clock;
default:
ASSERT_NOT_REACHED();
}
}
void GWidget::handle_mouseup_event(GMouseEvent& event)
{
mouseup_event(event);
if (!rect().contains(event.position()))
return;
auto& clock = click_clock(event.button());
// It's a click.. but is it a doubleclick?
// FIXME: This needs improvement.
if (m_click_clock.is_valid()) {
int elapsed_since_last_click = m_click_clock.elapsed();
if (!clock.is_valid()) {
clock.start();
return;
}
int elapsed_since_last_click = clock.elapsed();
clock.start();
#if 0
dbgprintf("Click clock elapsed: %d\n", m_click_clock.elapsed());
dbgprintf("Click clock elapsed: %d\n", elapsed_since_last_click);
#endif
if (elapsed_since_last_click < 250) {
doubleclick_event(event);
} else {
m_click_clock.start();
}
}
}
@ -180,9 +193,6 @@ void GWidget::handle_mousedown_event(GMouseEvent& event)
{
if (accepts_focus())
set_focus(true);
// FIXME: Maybe the click clock should be per-button.
if (!m_click_clock.is_valid())
m_click_clock.start();
mousedown_event(event);
if (event.button() == GMouseButton::Right) {
GContextMenuEvent c_event(event.position(), screen_relative_rect().location().translated(event.position()));

6
LibGUI/GWidget.h
View file

@ -191,6 +191,8 @@ private:
void handle_leave_event(CEvent&);
void do_layout();
CElapsedTimer& click_clock(GMouseButton);
GWindow* m_window { nullptr };
OwnPtr<GLayout> m_layout;
@ -210,7 +212,9 @@ private:
bool m_enabled { true };
bool m_layout_dirty { false };
CElapsedTimer m_click_clock;
CElapsedTimer m_left_click_clock;
CElapsedTimer m_right_click_clock;
CElapsedTimer m_middle_click_clock;
HashMap<GShortcut, GAction*> m_local_shortcut_actions;
};