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Backends: SDL: Wayland: Use SDL_GetMouseState (amend 78ff147) (#2800, 2802)

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This commit is contained in:
omar 2019-12-17 14:34:18 +01:00
parent 78ff147181
commit 0f7105e156
2 changed files with 9 additions and 6 deletions
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2
docs/CHANGELOG.txt
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@ -71,6 +71,8 @@ Other Changes:
selection, those new api can fill a gap. [@ShironekoBen] selection, those new api can fill a gap. [@ShironekoBen]
- Backends: GLFW, SDL, Win32, OSX, Allegro: Added support for ImGuiMouseCursor_NotAllowed. [@rokups] - Backends: GLFW, SDL, Win32, OSX, Allegro: Added support for ImGuiMouseCursor_NotAllowed. [@rokups]
- Backends: GLFW: Added support for the missing mouse cursors newly added in GLFW 3.4+. [@rokups] - Backends: GLFW: Added support for the missing mouse cursors newly added in GLFW 3.4+. [@rokups]
- Backends: SDL: Wayland: use SDL_GetMouseState (because there is no global mouse state available
on Wayland). (#2800, #2802) [@NeroBurner]
- Examples: Explicitly adding -DIMGUI_IMPL_OPENGL_LOADER_GL3W to Makefile to match linking - Examples: Explicitly adding -DIMGUI_IMPL_OPENGL_LOADER_GL3W to Makefile to match linking
settings (otherwise if another loader such as Glew is accessible, the opengl3 backend might settings (otherwise if another loader such as Glew is accessible, the opengl3 backend might
automatically use it). [#2919, #2798] automatically use it). [#2919, #2798]

13
examples/imgui_impl_sdl.cpp
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@ -17,7 +17,7 @@
// CHANGELOG // CHANGELOG
// (minor and older changes stripped away, please see git history for details) // (minor and older changes stripped away, please see git history for details)
// 2019-12-17: Inputs: Use SDL_GetMouseState, because there is no global mouse state on Wayland. // 2019-12-17: Inputs: On Wayland, use SDL_GetMouseState (because there is no global mouse state).
// 2019-12-05: Inputs: Added support for ImGuiMouseCursor_NotAllowed mouse cursor. // 2019-12-05: Inputs: Added support for ImGuiMouseCursor_NotAllowed mouse cursor.
// 2019-07-21: Inputs: Added mapping for ImGuiKey_KeyPadEnter. // 2019-07-21: Inputs: Added mapping for ImGuiKey_KeyPadEnter.
// 2019-04-23: Inputs: Added support for SDL_GameController (if ImGuiConfigFlags_NavEnableGamepad is set by user application). // 2019-04-23: Inputs: Added support for SDL_GameController (if ImGuiConfigFlags_NavEnableGamepad is set by user application).
@ -61,7 +61,7 @@ static Uint64 g_Time = 0;
static bool g_MousePressed[3] = { false, false, false }; static bool g_MousePressed[3] = { false, false, false };
static SDL_Cursor* g_MouseCursors[ImGuiMouseCursor_COUNT] = {}; static SDL_Cursor* g_MouseCursors[ImGuiMouseCursor_COUNT] = {};
static char* g_ClipboardTextData = NULL; static char* g_ClipboardTextData = NULL;
static bool g_VideoDriverIsWayland = false; static bool g_MouseCanUseGlobalState = true;
static const char* ImGui_ImplSDL2_GetClipboardText(void*) static const char* ImGui_ImplSDL2_GetClipboardText(void*)
{ {
@ -126,9 +126,6 @@ static bool ImGui_ImplSDL2_Init(SDL_Window* window)
{ {
g_Window = window; g_Window = window;
// Check and store if we are on Wayland to not check on every frame.
g_VideoDriverIsWayland = strncmp(SDL_GetCurrentVideoDriver(), "wayland", 7) == 0;
// Setup back-end capabilities flags // Setup back-end capabilities flags
ImGuiIO& io = ImGui::GetIO(); ImGuiIO& io = ImGui::GetIO();
io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional) io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional)
@ -163,6 +160,7 @@ static bool ImGui_ImplSDL2_Init(SDL_Window* window)
io.GetClipboardTextFn = ImGui_ImplSDL2_GetClipboardText; io.GetClipboardTextFn = ImGui_ImplSDL2_GetClipboardText;
io.ClipboardUserData = NULL; io.ClipboardUserData = NULL;
// Load mouse cursors
g_MouseCursors[ImGuiMouseCursor_Arrow] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW); g_MouseCursors[ImGuiMouseCursor_Arrow] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW);
g_MouseCursors[ImGuiMouseCursor_TextInput] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_IBEAM); g_MouseCursors[ImGuiMouseCursor_TextInput] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_IBEAM);
g_MouseCursors[ImGuiMouseCursor_ResizeAll] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEALL); g_MouseCursors[ImGuiMouseCursor_ResizeAll] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEALL);
@ -173,6 +171,9 @@ static bool ImGui_ImplSDL2_Init(SDL_Window* window)
g_MouseCursors[ImGuiMouseCursor_Hand] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_HAND); g_MouseCursors[ImGuiMouseCursor_Hand] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_HAND);
g_MouseCursors[ImGuiMouseCursor_NotAllowed] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_NO); g_MouseCursors[ImGuiMouseCursor_NotAllowed] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_NO);
// Check and store if we are on Wayland
g_MouseCanUseGlobalState = strncmp(SDL_GetCurrentVideoDriver(), "wayland", 7) != 0;
#ifdef _WIN32 #ifdef _WIN32
SDL_SysWMinfo wmInfo; SDL_SysWMinfo wmInfo;
SDL_VERSION(&wmInfo.version); SDL_VERSION(&wmInfo.version);
@ -243,7 +244,7 @@ static void ImGui_ImplSDL2_UpdateMousePosAndButtons()
SDL_Window* focused_window = SDL_GetKeyboardFocus(); SDL_Window* focused_window = SDL_GetKeyboardFocus();
if (g_Window == focused_window) if (g_Window == focused_window)
{ {
if (!g_VideoDriverIsWayland) if (g_MouseCanUseGlobalState)
{ {
// SDL_GetMouseState() gives mouse position seemingly based on the last window entered/focused(?) // SDL_GetMouseState() gives mouse position seemingly based on the last window entered/focused(?)
// The creation of a new windows at runtime and SDL_CaptureMouse both seems to severely mess up with that, so we retrieve that position globally. // The creation of a new windows at runtime and SDL_CaptureMouse both seems to severely mess up with that, so we retrieve that position globally.