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Use X11 global hotkeys on X11 when possible to prevent clashing with keys used by other applications

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dec05eba
2024-11-30 22:25:58 +01:00
parent f885ae67f1
commit 6cde892148
8 changed files with 185 additions and 98 deletions
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44
src/GlobalHotkeysX11.cpp
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@@ -1,6 +1,7 @@
#include "../include/GlobalHotkeysX11.hpp"
#define XK_MISCELLANY
#include <X11/keysymdef.h>
#include <X11/keysym.h>
#include <mglpp/window/Event.hpp>
#include <assert.h>
namespace gsr {
static bool x_failed = false;
@@ -25,6 +26,30 @@ namespace gsr {
return numlockmask;
}
static KeySym mgl_key_to_key_sym(mgl::Keyboard::Key key) {
switch(key) {
case mgl::Keyboard::Z: return XK_z;
case mgl::Keyboard::F7: return XK_F7;
case mgl::Keyboard::F8: return XK_F8;
case mgl::Keyboard::F9: return XK_F9;
case mgl::Keyboard::F10: return XK_F10;
default: return None;
}
}
static uint32_t mgl_key_modifiers_to_x11_modifier_mask(const mgl::Event::KeyEvent &key_event) {
uint32_t mask = 0;
if(key_event.shift)
mask |= ShiftMask;
if(key_event.control)
mask |= ControlMask;
if(key_event.alt)
mask |= Mod1Mask;
if(key_event.system)
mask |= Mod4Mask;
return mask;
}
GlobalHotkeysX11::GlobalHotkeysX11() {
dpy = XOpenDisplay(NULL);
if(!dpy)
@@ -122,16 +147,27 @@ namespace gsr {
}
}
bool GlobalHotkeysX11::on_event(mgl::Event &event) {
if(event.type != mgl::Event::KeyPressed)
return true;
// Note: not all keys are mapped in mgl_key_to_key_sym. If more hotkeys are added or changed then add the key mapping there
const KeySym key_sym = mgl_key_to_key_sym(event.key.code);
const uint32_t modifiers = mgl_key_modifiers_to_x11_modifier_mask(event.key);
return !call_hotkey_callback(Hotkey{key_sym, modifiers});
}
static unsigned int key_state_without_locks(unsigned int key_state) {
return key_state & ~(Mod2Mask|LockMask);
}
void GlobalHotkeysX11::call_hotkey_callback(Hotkey hotkey) const {
bool GlobalHotkeysX11::call_hotkey_callback(Hotkey hotkey) const {
for(const auto &[key, val] : bound_keys_by_id) {
if(val.hotkey.key == hotkey.key && key_state_without_locks(val.hotkey.modifiers) == key_state_without_locks(hotkey.modifiers)) {
val.callback(key);
return;
return true;
}
}
return false;
}
}