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Backends: make ImGui_ImplSDL2_KeyEventToImGuiKey(), ImGui_ImplSDL3_KeyEventToImGuiKey(), ImGui_ImplGlfw_KeyToImGuiKey(), ImGui_ImplWin32_KeyEventToImGuiKey(), ImGui_ImplAllegro5_KeyCodeToImGuiKey(), ImGui_ImplOSX_KeyCodeToImGuiKey(), non-static. (#7997)

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Backends: Win32: Refactor ImGui_ImplWin32_KeyEventToImGuiKey() logic.
Ref #7672
This commit is contained in:
ocornut 2024-09-19 14:09:45 +02:00
parent f7ba645398
commit cfae5ac71b
6 changed files with 25 additions and 18 deletions
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3
backends/imgui_impl_allegro5.cpp
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@ -310,7 +310,8 @@ static void ImGui_ImplAllegro5_SetClipboardText(ImGuiContext*, const char* text)
}
#endif
static ImGuiKey ImGui_ImplAllegro5_KeyCodeToImGuiKey(int key_code)
// Not static to allow third-party code to use that if they want to (but undocumented)
ImGuiKey ImGui_ImplAllegro5_KeyCodeToImGuiKey(int key_code)
{
switch (key_code)
{

10
backends/imgui_impl_glfw.cpp
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@ -185,9 +185,12 @@ static ImGui_ImplGlfw_Data* ImGui_ImplGlfw_GetBackendData()
}
// Functions
static ImGuiKey ImGui_ImplGlfw_KeyToImGuiKey(int key)
// Not static to allow third-party code to use that if they want to (but undocumented)
ImGuiKey ImGui_ImplGlfw_KeyToImGuiKey(int keycode, int scancode)
{
switch (key)
IM_UNUSED(scancode);
switch (keycode)
{
case GLFW_KEY_TAB: return ImGuiKey_Tab;
case GLFW_KEY_LEFT: return ImGuiKey_LeftArrow;
@ -355,6 +358,7 @@ void ImGui_ImplGlfw_ScrollCallback(GLFWwindow* window, double xoffset, double yo
io.AddMouseWheelEvent((float)xoffset, (float)yoffset);
}
// FIXME: should this be baked into ImGui_ImplGlfw_KeyToImGuiKey()? then what about the values passed to io.SetKeyEventNativeData()?
static int ImGui_ImplGlfw_TranslateUntranslatedKey(int key, int scancode)
{
#if GLFW_HAS_GETKEYNAME && !defined(EMSCRIPTEN_USE_EMBEDDED_GLFW3)
@ -402,7 +406,7 @@ void ImGui_ImplGlfw_KeyCallback(GLFWwindow* window, int keycode, int scancode, i
keycode = ImGui_ImplGlfw_TranslateUntranslatedKey(keycode, scancode);
ImGuiIO& io = ImGui::GetIO();
ImGuiKey imgui_key = ImGui_ImplGlfw_KeyToImGuiKey(keycode);
ImGuiKey imgui_key = ImGui_ImplGlfw_KeyToImGuiKey(keycode, scancode);
io.AddKeyEvent(imgui_key, (action == GLFW_PRESS));
io.SetKeyEventNativeData(imgui_key, keycode, scancode); // To support legacy indexing (<1.87 user code)
}

4
backends/imgui_impl_osx.mm
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@ -259,7 +259,9 @@ static bool ImGui_ImplOSX_HandleEvent(NSEvent* event, NSView* view);
@end
// Functions
static ImGuiKey ImGui_ImplOSX_KeyCodeToImGuiKey(int key_code)
// Not static to allow third-party code to use that if they want to (but undocumented)
ImGuiKey ImGui_ImplOSX_KeyCodeToImGuiKey(int key_code)
{
switch (key_code)
{

3
backends/imgui_impl_sdl2.cpp
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@ -180,7 +180,8 @@ static void ImGui_ImplSDL2_PlatformSetImeData(ImGuiContext*, ImGuiViewport*, ImG
}
}
static ImGuiKey ImGui_ImplSDL2_KeyEventToImGuiKey(SDL_Keycode keycode, SDL_Scancode scancode)
// Not static to allow third-party code to use that if they want to (but undocumented)
ImGuiKey ImGui_ImplSDL2_KeyEventToImGuiKey(SDL_Keycode keycode, SDL_Scancode scancode)
{
IM_UNUSED(scancode);
switch (keycode)

3
backends/imgui_impl_sdl3.cpp
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@ -159,7 +159,8 @@ static void ImGui_ImplSDL3_PlatformSetImeData(ImGuiContext*, ImGuiViewport* view
}
}
static ImGuiKey ImGui_ImplSDL3_KeyEventToImGuiKey(SDL_Keycode keycode, SDL_Scancode scancode)
// Not static to allow third-party code to use that if they want to (but undocumented)
ImGuiKey ImGui_ImplSDL3_KeyEventToImGuiKey(SDL_Keycode keycode, SDL_Scancode scancode)
{
// Keypad doesn't have individual key values in SDL3
switch (scancode)

20
backends/imgui_impl_win32.cpp
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@ -419,12 +419,14 @@ void ImGui_ImplWin32_NewFrame()
ImGui_ImplWin32_UpdateGamepads();
}
// There is no distinct VK_xxx for keypad enter, instead it is VK_RETURN + KF_EXTENDED, we assign it an arbitrary value to make code more readable (VK_ codes go up to 255)
#define IM_VK_KEYPAD_ENTER (VK_RETURN + 256)
// Map VK_xxx to ImGuiKey_xxx.
static ImGuiKey ImGui_ImplWin32_VirtualKeyToImGuiKey(WPARAM wParam)
// Not static to allow third-party code to use that if they want to (but undocumented)
ImGuiKey ImGui_ImplWin32_KeyEventToImGuiKey(WPARAM wParam, LPARAM lParam)
{
// There is no distinct VK_xxx for keypad enter, instead it is VK_RETURN + KF_EXTENDED.
if ((wParam == VK_RETURN) && (HIWORD(lParam) & KF_EXTENDED))
return ImGuiKey_KeypadEnter;
switch (wParam)
{
case VK_TAB: return ImGuiKey_Tab;
@ -473,7 +475,6 @@ static ImGuiKey ImGui_ImplWin32_VirtualKeyToImGuiKey(WPARAM wParam)
case VK_MULTIPLY: return ImGuiKey_KeypadMultiply;
case VK_SUBTRACT: return ImGuiKey_KeypadSubtract;
case VK_ADD: return ImGuiKey_KeypadAdd;
case IM_VK_KEYPAD_ENTER: return ImGuiKey_KeypadEnter;
case VK_LSHIFT: return ImGuiKey_LeftShift;
case VK_LCONTROL: return ImGuiKey_LeftCtrl;
case VK_LMENU: return ImGuiKey_LeftAlt;
@ -692,12 +693,9 @@ IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARA
// Submit modifiers
ImGui_ImplWin32_UpdateKeyModifiers();
// Obtain virtual key code
// (keypad enter doesn't have its own... VK_RETURN with KF_EXTENDED flag means keypad enter, see IM_VK_KEYPAD_ENTER definition for details, it is mapped to ImGuiKey_KeyPadEnter.)
int vk = (int)wParam;
if ((wParam == VK_RETURN) && (HIWORD(lParam) & KF_EXTENDED))
vk = IM_VK_KEYPAD_ENTER;
const ImGuiKey key = ImGui_ImplWin32_VirtualKeyToImGuiKey(vk);
// Obtain virtual key code and convert to ImGuiKey
const ImGuiKey key = ImGui_ImplWin32_KeyEventToImGuiKey(wParam, lParam);
const int vk = (int)wParam;
const int scancode = (int)LOBYTE(HIWORD(lParam));
// Special behavior for VK_SNAPSHOT / ImGuiKey_PrintScreen as Windows doesn't emit the key down event.