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Added io.AddKeyModEvent() and updated backends accordingly. (#2625, #4858)

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This commit is contained in:
ocornut 2022-01-10 12:39:01 +01:00
parent 1797135db5
commit 790132a672
9 changed files with 52 additions and 39 deletions
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12
backends/imgui_impl_allegro5.cpp
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@ -17,7 +17,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2022-01-10: Inputs: calling new io.AddKeyEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2022-01-10: Inputs: calling new io.AddKeyEvent(), io.AddKeyModEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2021-12-08: Renderer: Fixed mishandling of the the ImDrawCmd::IdxOffset field! This is an old bug but it never had an effect until some internal rendering changes in 1.86.
// 2021-08-17: Calling io.AddFocusEvent() on ALLEGRO_EVENT_DISPLAY_SWITCH_OUT/ALLEGRO_EVENT_DISPLAY_SWITCH_IN events.
// 2021-06-29: Reorganized backend to pull data from a single structure to facilitate usage with multiple-contexts (all g_XXXX access changed to bd->XXXX).
@ -565,10 +565,12 @@ void ImGui_ImplAllegro5_NewFrame()
// Setup inputs
ALLEGRO_KEYBOARD_STATE keys;
al_get_keyboard_state(&keys);
io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL);
io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT);
io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR);
io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN);
ImGuiKeyModFlags key_mods =
((al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL)) ? ImGuiKeyModFlags_Ctrl : 0) |
((al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT)) ? ImGuiKeyModFlags_Shift : 0) |
((al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR)) ? ImGuiKeyModFlags_Alt : 0) |
((al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN)) ? ImGuiKeyModFlags_Super : 0);
io.AddKeyModEvent(key_mods);
ImGui_ImplAllegro5_UpdateMouseCursor();
}

8
backends/imgui_impl_android.cpp
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@ -19,7 +19,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2022-01-10: Inputs: calling new io.AddKeyEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2022-01-10: Inputs: calling new io.AddKeyEvent(), io.AddKeyModEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2021-03-04: Initial version.
#include "imgui.h"
@ -292,11 +292,7 @@ void ImGui_ImplAndroid_NewFrame()
io.SetKeyEventNativeData(key_event.Key, key_event.NativeKeycode, key_event.NativeScancode); // To support legacy indexing (<1.87 user code)
key_queue.second.pop();
}
io.KeyCtrl = ((g_KeyModFlags & ImGuiKeyModFlags_Ctrl) != 0);
io.KeyShift = ((g_KeyModFlags & ImGuiKeyModFlags_Shift) != 0);
io.KeyAlt = ((g_KeyModFlags & ImGuiKeyModFlags_Alt) != 0);
io.KeySuper = ((g_KeyModFlags & ImGuiKeyModFlags_Super) != 0);
io.AddKeyModEvent(g_KeyModFlags);
// Setup display size (every frame to accommodate for window resizing)
int32_t window_width = ANativeWindow_getWidth(g_Window);

12
backends/imgui_impl_glfw.cpp
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@ -16,7 +16,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2022-01-10: Inputs: calling new io.AddKeyEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2022-01-10: Inputs: calling new io.AddKeyEvent(), io.AddKeyModEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2022-01-05: Inputs: Converting GLFW untranslated keycodes back to translated keycodes (in the ImGui_ImplGlfw_KeyCallback() function) in order to match the behavior of every other backend, and facilitate the use of GLFW with lettered-shortcuts API.
// 2021-08-17: *BREAKING CHANGE*: Now using glfwSetWindowFocusCallback() to calling io.AddFocusEvent(). If you called ImGui_ImplGlfw_InitXXX() with install_callbacks = false, you MUST install glfwSetWindowFocusCallback() and forward it to the backend via ImGui_ImplGlfw_WindowFocusCallback().
// 2021-07-29: *BREAKING CHANGE*: Now using glfwSetCursorEnterCallback(). MousePos is correctly reported when the host platform window is hovered but not focused. If you called ImGui_ImplGlfw_InitXXX() with install_callbacks = false, you MUST install glfwSetWindowFocusCallback() callback and forward it to the backend via ImGui_ImplGlfw_CursorEnterCallback().
@ -544,10 +544,12 @@ static void ImGui_ImplGlfw_UpdateKeyModifiers()
{
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
ImGuiIO& io = ImGui::GetIO();
io.KeyShift = ((glfwGetKey(bd->Window, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS) || (glfwGetKey(bd->Window, GLFW_KEY_RIGHT_SHIFT) == GLFW_PRESS));
io.KeyCtrl = ((glfwGetKey(bd->Window, GLFW_KEY_LEFT_CONTROL) == GLFW_PRESS) || (glfwGetKey(bd->Window, GLFW_KEY_RIGHT_CONTROL) == GLFW_PRESS));
io.KeyAlt = ((glfwGetKey(bd->Window, GLFW_KEY_LEFT_ALT) == GLFW_PRESS) || (glfwGetKey(bd->Window, GLFW_KEY_RIGHT_ALT) == GLFW_PRESS));
io.KeySuper = ((glfwGetKey(bd->Window, GLFW_KEY_LEFT_SUPER) == GLFW_PRESS) || (glfwGetKey(bd->Window, GLFW_KEY_RIGHT_SUPER) == GLFW_PRESS));
ImGuiKeyModFlags key_mods =
(((glfwGetKey(bd->Window, GLFW_KEY_LEFT_CONTROL) == GLFW_PRESS) || (glfwGetKey(bd->Window, GLFW_KEY_RIGHT_CONTROL) == GLFW_PRESS)) ? ImGuiKeyModFlags_Ctrl : 0) |
(((glfwGetKey(bd->Window, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS) || (glfwGetKey(bd->Window, GLFW_KEY_RIGHT_SHIFT) == GLFW_PRESS)) ? ImGuiKeyModFlags_Shift : 0) |
(((glfwGetKey(bd->Window, GLFW_KEY_LEFT_ALT) == GLFW_PRESS) || (glfwGetKey(bd->Window, GLFW_KEY_RIGHT_ALT) == GLFW_PRESS)) ? ImGuiKeyModFlags_Alt : 0) |
(((glfwGetKey(bd->Window, GLFW_KEY_LEFT_SUPER) == GLFW_PRESS) || (glfwGetKey(bd->Window, GLFW_KEY_RIGHT_SUPER) == GLFW_PRESS)) ? ImGuiKeyModFlags_Super : 0);
io.AddKeyModEvent(key_mods);
}
void ImGui_ImplGlfw_NewFrame()

13
backends/imgui_impl_glut.cpp
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@ -20,7 +20,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2022-01-10: Inputs: calling new io.AddKeyEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2022-01-10: Inputs: calling new io.AddKeyEvent(), io.AddKeyModEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2019-04-03: Misc: Renamed imgui_impl_freeglut.cpp/.h to imgui_impl_glut.cpp/.h.
// 2019-03-25: Misc: Made io.DeltaTime always above zero.
// 2018-11-30: Misc: Setting up io.BackendPlatformName so it can be displayed in the About Window.
@ -205,11 +205,12 @@ void ImGui_ImplGLUT_NewFrame()
static void ImGui_ImplGLUT_UpdateKeyboardMods()
{
ImGuiIO& io = ImGui::GetIO();
int mods = glutGetModifiers();
io.KeyCtrl = (mods & GLUT_ACTIVE_CTRL) != 0;
io.KeyShift = (mods & GLUT_ACTIVE_SHIFT) != 0;
io.KeyAlt = (mods & GLUT_ACTIVE_ALT) != 0;
io.KeySuper = false;
int glut_key_mods = glutGetModifiers();
ImGuiKeyModFlags key_mods =
((glut_key_mods & GLUT_ACTIVE_CTRL) ? ImGuiKeyModFlags_Ctrl : 0) |
((glut_key_mods & GLUT_ACTIVE_SHIFT) ? ImGuiKeyModFlags_Shift : 0) |
((glut_key_mods & GLUT_ACTIVE_ALT) ? ImGuiKeyModFlags_Alt : 0);
io.AddKeyModEvent(key_mods);
}
static void ImGui_ImplGLUT_AddKeyEvent(ImGuiKey key, bool down, int native_keycode)

7
backends/imgui_impl_osx.mm
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@ -22,7 +22,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2022-01-10: Inputs: calling new io.AddKeyEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2022-01-10: Inputs: calling new io.AddKeyEvent(), io.AddKeyModEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2021-12-13: *BREAKING CHANGE* Add NSView parameter to ImGui_ImplOSX_Init(). Generally fix keyboard support. Using kVK_* codes for keyboard keys.
// 2021-12-13: Add game controller support.
// 2021-09-21: Use mach_absolute_time as CFAbsoluteTimeGetCurrent can jump backwards.
@ -496,10 +496,7 @@ static void ImGui_ImplOSX_UpdateGamepads()
static void ImGui_ImplOSX_UpdateKeyModifiers()
{
ImGuiIO& io = ImGui::GetIO();
io.KeyCtrl = (g_KeyModifiers & ImGuiKeyModFlags_Ctrl) != 0;
io.KeyShift = (g_KeyModifiers & ImGuiKeyModFlags_Shift) != 0;
io.KeyAlt = (g_KeyModifiers & ImGuiKeyModFlags_Alt) != 0;
io.KeySuper = (g_KeyModifiers & ImGuiKeyModFlags_Super) != 0;
io.AddKeyModEvent(g_KeyModifiers);
}
void ImGui_ImplOSX_NewFrame(NSView* view)

16
backends/imgui_impl_sdl.cpp
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@ -18,7 +18,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2022-01-10: Inputs: calling new io.AddKeyEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2022-01-10: Inputs: calling new io.AddKeyEvent(), io.AddKeyModEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2021-08-17: Calling io.AddFocusEvent() on SDL_WINDOWEVENT_FOCUS_GAINED/SDL_WINDOWEVENT_FOCUS_LOST.
// 2021-07-29: Inputs: MousePos is correctly reported when the host platform window is hovered but not focused (using SDL_GetMouseFocus() + SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH, requires SDL 2.0.5+)
// 2021-06-29: *BREAKING CHANGE* Removed 'SDL_Window* window' parameter to ImGui_ImplSDL2_NewFrame() which was unnecessary.
@ -503,13 +503,15 @@ static void ImGui_ImplSDL2_UpdateGamepads()
static void ImGui_ImplSDL2_UpdateKeyModifiers()
{
SDL_Keymod keymod = SDL_GetModState();
ImGuiIO& io = ImGui::GetIO();
io.KeyShift = (keymod & KMOD_SHIFT) != 0;
io.KeyCtrl = (keymod & KMOD_CTRL) != 0;
io.KeyAlt = (keymod & KMOD_ALT) != 0;
io.KeySuper = (keymod & KMOD_GUI) != 0;
SDL_Keymod sdl_key_mods = SDL_GetModState();
ImGuiKeyModFlags key_mods =
((sdl_key_mods & KMOD_CTRL) ? ImGuiKeyModFlags_Ctrl : 0) |
((sdl_key_mods & KMOD_SHIFT) ? ImGuiKeyModFlags_Shift : 0) |
((sdl_key_mods & KMOD_ALT) ? ImGuiKeyModFlags_Alt : 0) |
((sdl_key_mods & KMOD_GUI) ? ImGuiKeyModFlags_Super : 0);
io.AddKeyModEvent(key_mods);
}
void ImGui_ImplSDL2_NewFrame()

12
backends/imgui_impl_win32.cpp
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@ -33,7 +33,7 @@ typedef DWORD (WINAPI *PFN_XInputGetState)(DWORD, XINPUT_STATE*);
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2022-01-10: Inputs: calling new io.AddKeyEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2022-01-10: Inputs: calling new io.AddKeyEvent(), io.AddKeyModEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2021-12-16: Inputs: Fill VK_LCONTROL/VK_RCONTROL/VK_LSHIFT/VK_RSHIFT/VK_LMENU/VK_RMENU for completeness.
// 2021-08-17: Calling io.AddFocusEvent() on WM_SETFOCUS/WM_KILLFOCUS messages.
// 2021-08-02: Inputs: Fixed keyboard modifiers being reported when host window doesn't have focus.
@ -230,10 +230,12 @@ static void ImGui_ImplWin32_ProcessKeyEventsWorkarounds()
static void ImGui_ImplWin32_UpdateKeyModifiers()
{
ImGuiIO& io = ImGui::GetIO();
io.KeyShift = IsVkDown(VK_LSHIFT) || IsVkDown(VK_RSHIFT);
io.KeyCtrl = IsVkDown(VK_LCONTROL) || IsVkDown(VK_RCONTROL);
io.KeyAlt = IsVkDown(VK_LMENU) || IsVkDown(VK_RMENU);
io.KeySuper = IsVkDown(VK_LWIN) || IsVkDown(VK_RWIN);
ImGuiKeyModFlags key_mods =
((IsVkDown(VK_LCONTROL) || IsVkDown(VK_RCONTROL)) ? ImGuiKeyModFlags_Ctrl : 0) |
((IsVkDown(VK_LSHIFT) || IsVkDown(VK_RSHIFT)) ? ImGuiKeyModFlags_Shift : 0) |
((IsVkDown(VK_LMENU) || IsVkDown(VK_RMENU)) ? ImGuiKeyModFlags_Alt : 0) |
((IsVkDown(VK_LWIN) || IsVkDown(VK_RWIN)) ? ImGuiKeyModFlags_Super : 0);
io.AddKeyModEvent(key_mods);
}
static void ImGui_ImplWin32_UpdateMousePos()

10
imgui.cpp
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@ -390,6 +390,7 @@ CODE
- IsKeyPressed(MY_NATIVE_KEY_XXX) -> use IsKeyPressed(ImGuiKey_XXX)
- IsKeyPressed(GetKeyIndex(ImGuiKey_XXX)) -> use IsKeyPressed(ImGuiKey_XXX)
- Backend writing to io.KeyMap[],io.KeysDown[] -> backend should call io.AddKeyEvent()
- inputs: added io.AddKeyModEvent() instead of writing directly to io.KeyCtrl, io.KeyShift, io.KeyAlt, io.KeySuper.
- 2022/01/05 (1.87) - inputs: renamed ImGuiKey_KeyPadEnter to ImGuiKey_KeypadEnter to align with new symbols. Kept redirection enum.
- 2022/01/05 (1.87) - removed io.ImeSetInputScreenPosFn() in favor of more flexible io.SetPlatformImeDataFn(). Removed 'void* io.ImeWindowHandle' in favor of writing to 'void* ImGuiViewport::PlatformHandleRaw'.
- 2022/01/01 (1.87) - commented out redirecting functions/enums names that were marked obsolete in 1.69, 1.70, 1.71, 1.72 (March-July 2019)
@ -1281,6 +1282,15 @@ void ImGuiIO::SetKeyEventNativeData(ImGuiKey key, int native_keycode, int native
#endif
}
void ImGuiIO::AddKeyModEvent(ImGuiKeyModFlags modifiers)
{
KeyMods = modifiers;
KeyCtrl = (modifiers & ImGuiKeyModFlags_Ctrl) != 0;
KeyShift = (modifiers & ImGuiKeyModFlags_Shift) != 0;
KeyAlt = (modifiers & ImGuiKeyModFlags_Alt) != 0;
KeySuper = (modifiers & ImGuiKeyModFlags_Super) != 0;
}
void ImGuiIO::AddFocusEvent(bool focused)
{
// We intentionally overwrite this and process in NewFrame(), in order to give a chance

1
imgui.h
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@ -2007,6 +2007,7 @@ struct ImGuiIO
// Input Functions
IMGUI_API void AddKeyEvent(ImGuiKey key, bool down); // Queue a new key down/up event. Key should be "translated" (as in, generally ImGuiKey_A matches the key end-user would use to emit an 'A' character)
IMGUI_API void AddKeyModEvent(ImGuiKeyModFlags modifiers); // Queue a change of Ctrl/Shift/Alt/Super modifiers
IMGUI_API void AddFocusEvent(bool focused); // Queue an hosting application/platform windows gain or loss of focus
IMGUI_API void AddInputCharacter(unsigned int c); // Queue new character input
IMGUI_API void AddInputCharacterUTF16(ImWchar16 c); // Queue new character input from an UTF-16 character, it can be a surrogate