Merge pull request #110 from dougg3/windows_key

Add optional ability to intercept Windows key
This commit is contained in:
kanjitalk755 2022-01-10 16:02:52 +09:00 committed by GitHub
commit a3534d2eea
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 113 additions and 0 deletions

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@ -98,11 +98,14 @@ uint8 *ScratchMem = NULL; // Scratch memory for Mac ROM writes
static bool lm_area_mapped = false; // Flag: Low Memory area mmap()ped
#endif
static HHOOK keyboard_hook; // Hook for intercepting windows key events
// Prototypes
static int xpram_func(void *arg);
static int tick_func(void *arg);
static void one_tick(...);
static LRESULT CALLBACK low_level_keyboard_hook(int nCode, WPARAM wParam, LPARAM lParam);
/*
@ -283,6 +286,12 @@ int main(int argc, char **argv)
QuitEmulator();
#endif
// Install keyboard hook to block Windows key if enabled in prefs
if (PrefsFindBool("reservewindowskey"))
{
keyboard_hook = SetWindowsHookEx(WH_KEYBOARD_LL, low_level_keyboard_hook, GetModuleHandle(NULL), 0);
}
// Initialize SDL system
int sdl_flags = 0;
#ifdef USE_SDL_VIDEO
@ -711,3 +720,42 @@ bool ChoiceAlert(const char *text, const char *pos, const char *neg)
printf(GetString(STR_SHELL_WARNING_PREFIX), text);
return false; //!!
}
/*
* Low level keyboard hook allowing us to intercept events involving the Windows key
*/
static LRESULT CALLBACK low_level_keyboard_hook(int nCode, WPARAM wParam, LPARAM lParam)
{
// Not a relevant event, immediately pass it on
if (nCode != HC_ACTION)
return CallNextHookEx(keyboard_hook, nCode, wParam, lParam);
KBDLLHOOKSTRUCT *p = (KBDLLHOOKSTRUCT *)lParam;
switch (wParam) {
case WM_KEYDOWN:
case WM_KEYUP:
// Intercept left/right windows keys when we have keyboard focus so Windows doesn't handle them
if (p->vkCode == VK_LWIN || p->vkCode == VK_RWIN) {
bool intercept_event = false;
#ifdef USE_SDL_VIDEO
if (sdl_window && (SDL_GetWindowFlags(sdl_window) & SDL_WINDOW_INPUT_FOCUS)) {
intercept_event = true;
}
#endif
// If we've determined we should intercept the event, intercept it. But pass the event onto SDL so Basilisk handles it.
if (intercept_event) {
SDL_Event e;
memset(&e, 0, sizeof(e));
e.type = (wParam == WM_KEYDOWN) ? SDL_KEYDOWN : SDL_KEYUP;
e.key.keysym.sym = (p->vkCode == VK_LWIN) ? SDLK_LGUI : SDLK_RGUI;
SDL_PushEvent(&e);
return 1;
}
}
break;
}
// If we fall here, we weren't supposed to intercept it.
return CallNextHookEx(keyboard_hook, nCode, wParam, lParam);
}

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@ -1298,6 +1298,12 @@ static void tb_keycodes(GtkWidget *widget)
set_input_sensitive();
}
// "Reserve Windows Key" button toggled
static void tb_reservewindowskey(GtkWidget *widget)
{
PrefsReplaceBool("reservewindowskey", GTK_TOGGLE_BUTTON(widget)->active);
}
// "Mouse Wheel Mode" selected
static void mn_wheel_page(...) {PrefsReplaceInt32("mousewheelmode", 0); set_input_sensitive();}
static void mn_wheel_cursor(...) {PrefsReplaceInt32("mousewheelmode", 1); set_input_sensitive();}
@ -1345,6 +1351,8 @@ static void create_input_pane(GtkWidget *top)
gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
g_object_set_data(G_OBJECT(w_keycode_file), "chooser_button", button);
make_checkbox(box, STR_RESERVE_WINDOWS_KEY_CTRL, "reservewindowskey", GTK_SIGNAL_FUNC(tb_reservewindowskey));
make_separator(box);
static const opt_desc options[] = {

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@ -53,6 +53,8 @@ prefs_desc platform_prefs_items[] = {
{"sdlrender", TYPE_STRING, false, "SDL_Renderer driver (\"auto\", \"software\" (may be faster), etc.)"},
{"sdl_vsync", TYPE_BOOLEAN, false, "Make SDL_Renderer vertical sync frames to host (eg. with software renderer)"},
#endif
{"reservewindowskey", TYPE_BOOLEAN, false, "block Windows key from activating start menu"},
{NULL, TYPE_END, false, NULL} // End of list
};
@ -136,4 +138,5 @@ void AddPlatformPrefsDefaults(void)
PrefsReplaceString("sdlrender", "software");
PrefsReplaceBool("sdl_vsync", false);
#endif
PrefsAddBool("reservewindowskey", false);
}

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@ -56,6 +56,7 @@ user_string_def platform_strings[] = {
{STR_INPUT_PANE_TITLE, "Keyboard/Mouse"},
{STR_KEYCODES_CTRL, "Use Raw Keycodes"},
{STR_KEYCODE_FILE_CTRL, "Keycode Translation File"},
{STR_RESERVE_WINDOWS_KEY_CTRL, "Reserve Windows Key"},
{STR_MOUSEWHEELMODE_CTRL, "Mouse Wheel Function"},
{STR_MOUSEWHEELMODE_PAGE_LAB, "Page Up/Down"},
{STR_MOUSEWHEELMODE_CURSOR_LAB, "Cursor Up/Down"},

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@ -58,6 +58,7 @@ enum {
STR_INPUT_PANE_TITLE,
STR_KEYCODES_CTRL,
STR_KEYCODE_FILE_CTRL,
STR_RESERVE_WINDOWS_KEY_CTRL,
STR_MOUSEWHEELMODE_CTRL,
STR_MOUSEWHEELMODE_PAGE_LAB,
STR_MOUSEWHEELMODE_CURSOR_LAB,

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@ -105,6 +105,8 @@ uintptr SheepMem::base = 0x60000000; // Address of SheepShaver data
uintptr SheepMem::proc; // Bottom address of SheepShave procedures
uintptr SheepMem::data; // Top of SheepShaver data (stack like storage)
static HHOOK keyboard_hook; // Hook for intercepting windows key events
// Prototypes
static bool kernel_data_init(void);
@ -118,6 +120,7 @@ extern void emul_ppc(uint32 start);
extern void init_emul_ppc(void);
extern void exit_emul_ppc(void);
sigsegv_return_t sigsegv_handler(sigsegv_info_t *sip);
static LRESULT CALLBACK low_level_keyboard_hook(int nCode, WPARAM wParam, LPARAM lParam);
/*
@ -210,6 +213,12 @@ int main(int argc, char **argv)
// // Load win32 libraries
// KernelInit();
// Install keyboard hook to block Windows key if enabled in prefs
if (PrefsFindBool("reservewindowskey"))
{
keyboard_hook = SetWindowsHookEx(WH_KEYBOARD_LL, low_level_keyboard_hook, GetModuleHandle(NULL), 0);
}
// Initialize SDL system
int sdl_flags = 0;
#ifdef USE_SDL_VIDEO
@ -839,3 +848,42 @@ bool ChoiceAlert(const char *text, const char *pos, const char *neg)
printf(GetString(STR_SHELL_WARNING_PREFIX), text);
return false; //!!
}
/*
* Low level keyboard hook allowing us to intercept events involving the Windows key
*/
static LRESULT CALLBACK low_level_keyboard_hook(int nCode, WPARAM wParam, LPARAM lParam)
{
// Not a relevant event, immediately pass it on
if (nCode != HC_ACTION)
return CallNextHookEx(keyboard_hook, nCode, wParam, lParam);
KBDLLHOOKSTRUCT *p = (KBDLLHOOKSTRUCT *)lParam;
switch (wParam) {
case WM_KEYDOWN:
case WM_KEYUP:
// Intercept left/right windows keys when we have keyboard focus so Windows doesn't handle them
if (p->vkCode == VK_LWIN || p->vkCode == VK_RWIN) {
bool intercept_event = false;
#ifdef USE_SDL_VIDEO
if (sdl_window && (SDL_GetWindowFlags(sdl_window) & SDL_WINDOW_INPUT_FOCUS)) {
intercept_event = true;
}
#endif
// If we've determined we should intercept the event, intercept it. But pass the event onto SDL so SheepShaver handles it.
if (intercept_event) {
SDL_Event e;
memset(&e, 0, sizeof(e));
e.type = (wParam == WM_KEYDOWN) ? SDL_KEYDOWN : SDL_KEYUP;
e.key.keysym.sym = (p->vkCode == VK_LWIN) ? SDLK_LGUI : SDLK_RGUI;
SDL_PushEvent(&e);
return 1;
}
}
break;
}
// If we fall here, we weren't supposed to intercept it.
return CallNextHookEx(keyboard_hook, nCode, wParam, lParam);
}

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@ -58,6 +58,7 @@ prefs_desc platform_prefs_items[] = {
{"sdlrender", TYPE_STRING, false, "SDL_Renderer driver (\"auto\", \"software\" (may be faster), etc.)"},
{"sdl_vsync", TYPE_BOOLEAN, false, "Make SDL_Renderer vertical sync frames to host (eg. with software renderer)"},
#endif
{"reservewindowskey", TYPE_BOOLEAN, false, "block Windows key from activating start menu"},
{NULL, TYPE_END, false, NULL} // End of list
};
@ -145,4 +146,5 @@ void AddPlatformPrefsDefaults(void)
PrefsReplaceString("sdlrender", "software");
PrefsReplaceBool("sdl_vsync", false);
#endif
PrefsAddBool("reservewindowskey", false);
}

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@ -63,6 +63,7 @@ user_string_def platform_strings[] = {
{STR_INPUT_PANE_TITLE, "Keyboard/Mouse"},
{STR_KEYCODES_CTRL, "Use Raw Keycodes"},
{STR_KEYCODE_FILE_CTRL, "Keycode Translation File"},
{STR_RESERVE_WINDOWS_KEY_CTRL, "Reserve Windows Key"},
{STR_MOUSEWHEELMODE_CTRL, "Mouse Wheel Function"},
{STR_MOUSEWHEELMODE_PAGE_LAB, "Page Up/Down"},
{STR_MOUSEWHEELMODE_CURSOR_LAB, "Cursor Up/Down"},

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@ -57,6 +57,7 @@ enum {
STR_INPUT_PANE_TITLE,
STR_KEYCODES_CTRL,
STR_KEYCODE_FILE_CTRL,
STR_RESERVE_WINDOWS_KEY_CTRL,
STR_MOUSEWHEELMODE_CTRL,
STR_MOUSEWHEELMODE_PAGE_LAB,
STR_MOUSEWHEELMODE_CURSOR_LAB,