oss/luanti
oss/luanti
1
0
Fork 0
mirror of https://github.com/luanti-org/luanti.git synced 2025-08-06 17:41:04 +00:00
Code Wiki Activity

Support both mouse and touch input in GUIs in a single binary (#14146)

Browse source
This commit is contained in:
grorp 2023-12-27 22:37:36 +01:00 • committed by GitHub
parent 4f1dbb127a
commit 32e492837c
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 95 additions and 83 deletions
Download patch file Download diff file Expand all files Collapse all files

76
src/gui/modalMenu.cpp
View file

@ -19,6 +19,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
*/
#include <cstdlib>
#include <IEventReceiver.h>
#include "client/renderingengine.h"
#include "modalMenu.h"
#include "gettext.h"
@ -103,7 +104,7 @@ void GUIModalMenu::quitMenu()
m_menumgr->deletingMenu(this);
this->remove();
#ifdef HAVE_TOUCHSCREENGUI
if (g_touchscreengui && m_touchscreen_visible)
if (g_touchscreengui)
g_touchscreengui->show();
#endif
}
@ -169,8 +170,6 @@ static bool isChild(gui::IGUIElement *tocheck, gui::IGUIElement *parent)
return false;
}
#ifdef HAVE_TOUCHSCREENGUI
bool GUIModalMenu::simulateMouseEvent(
gui::IGUIElement *target, ETOUCH_INPUT_EVENT touch_event)
{
@ -194,41 +193,51 @@ bool GUIModalMenu::simulateMouseEvent(
default:
return false;
}
if (preprocessEvent(mouse_event))
return true;
if (!target)
return false;
return target->OnEvent(mouse_event);
bool retval;
m_simulated_mouse = true;
do {
if (preprocessEvent(mouse_event)) {
retval = true;
break;
}
if (!target) {
retval = false;
break;
}
retval = target->OnEvent(mouse_event);
} while (false);
m_simulated_mouse = false;
return retval;
}
void GUIModalMenu::enter(gui::IGUIElement *hovered)
{
if (!hovered)
return;
sanity_check(!m_hovered);
m_hovered.grab(hovered);
sanity_check(!m_touch_hovered);
m_touch_hovered.grab(hovered);
SEvent gui_event{};
gui_event.EventType = EET_GUI_EVENT;
gui_event.GUIEvent.Caller = m_hovered.get();
gui_event.GUIEvent.EventType = EGET_ELEMENT_HOVERED;
gui_event.GUIEvent.Caller = m_touch_hovered.get();
gui_event.GUIEvent.EventType = gui::EGET_ELEMENT_HOVERED;
gui_event.GUIEvent.Element = gui_event.GUIEvent.Caller;
m_hovered->OnEvent(gui_event);
m_touch_hovered->OnEvent(gui_event);
}
void GUIModalMenu::leave()
{
if (!m_hovered)
if (!m_touch_hovered)
return;
SEvent gui_event{};
gui_event.EventType = EET_GUI_EVENT;
gui_event.GUIEvent.Caller = m_hovered.get();
gui_event.GUIEvent.EventType = EGET_ELEMENT_LEFT;
m_hovered->OnEvent(gui_event);
m_hovered.reset();
gui_event.GUIEvent.Caller = m_touch_hovered.get();
gui_event.GUIEvent.EventType = gui::EGET_ELEMENT_LEFT;
m_touch_hovered->OnEvent(gui_event);
m_touch_hovered.reset();
}
#endif
bool GUIModalMenu::preprocessEvent(const SEvent &event)
{
#ifdef __ANDROID__
@ -268,25 +277,26 @@ bool GUIModalMenu::preprocessEvent(const SEvent &event)
}
#endif
#ifdef HAVE_TOUCHSCREENGUI
// Convert touch events into mouse events.
if (event.EventType == EET_TOUCH_INPUT_EVENT) {
irr_ptr<GUIModalMenu> holder;
holder.grab(this); // keep this alive until return (it might be dropped downstream [?])
if (event.TouchInput.touchedCount == 1) {
if (event.TouchInput.Event == ETIE_PRESSED_DOWN || event.TouchInput.Event == ETIE_MOVED)
m_pointer = v2s32(event.TouchInput.X, event.TouchInput.Y);
m_pointer_type = PointerType::Touch;
m_pointer = v2s32(event.TouchInput.X, event.TouchInput.Y);
gui::IGUIElement *hovered = Environment->getRootGUIElement()->getElementFromPoint(core::position2d<s32>(m_pointer));
if (event.TouchInput.Event == ETIE_PRESSED_DOWN)
Environment->setFocus(hovered);
if (m_hovered != hovered) {
if (m_touch_hovered != hovered) {
leave();
enter(hovered);
}
gui::IGUIElement *focused = Environment->getFocus();
bool ret = simulateMouseEvent(focused, event.TouchInput.Event);
if (!ret && m_hovered != focused)
ret = simulateMouseEvent(m_hovered.get(), event.TouchInput.Event);
if (!ret && m_touch_hovered != focused)
ret = simulateMouseEvent(m_touch_hovered.get(), event.TouchInput.Event);
if (event.TouchInput.Event == ETIE_LEFT_UP)
leave();
return ret;
@ -306,20 +316,24 @@ bool GUIModalMenu::preprocessEvent(const SEvent &event)
return true;
}
}
#endif
if (event.EventType == EET_MOUSE_INPUT_EVENT) {
s32 x = event.MouseInput.X;
s32 y = event.MouseInput.Y;
if (!m_simulated_mouse) {
// Only set the pointer type to mouse if this is a real mouse event.
m_pointer_type = PointerType::Mouse;
m_pointer = v2s32(event.MouseInput.X, event.MouseInput.Y);
m_touch_hovered.reset();
}
gui::IGUIElement *hovered =
Environment->getRootGUIElement()->getElementFromPoint(
core::position2d<s32>(x, y));
Environment->getRootGUIElement()->getElementFromPoint(m_pointer);
if (!isChild(hovered, this)) {
if (DoubleClickDetection(event)) {
return true;
}
}
}
return false;
}