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Backends: GLFW,SDL2,SDL3: added wayland/driver marker in io.BackendPlatformName.

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+ Stored bd->IsWayland variable for e.g. #7433
This commit is contained in:
ocornut
2026-06-29 18:26:59 +02:00
parent c66d9a8190
commit 9e6c0416fe
3 changed files with 23 additions and 18 deletions
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16
backends/imgui_impl_glfw.cpp
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@@ -213,7 +213,7 @@ struct ImGui_ImplGlfw_Data
bool IsWayland;
bool InstalledCallbacks;
bool CallbacksChainForAllWindows;
char BackendPlatformName[32];
char BackendPlatformName[40];
#ifdef EMSCRIPTEN_USE_EMBEDDED_GLFW3
const char* CanvasSelector;
#endif
@@ -676,7 +676,13 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
// Setup backend capabilities flags
ImGui_ImplGlfw_Data* bd = IM_NEW(ImGui_ImplGlfw_Data)();
snprintf(bd->BackendPlatformName, sizeof(bd->BackendPlatformName), "imgui_impl_glfw (%d)", GLFW_VERSION_COMBINED);
bd->Context = ImGui::GetCurrentContext();
bd->Window = window;
bd->Time = 0.0;
bd->IsWayland = ImGui_ImplGlfw_IsWayland();
ImGui_ImplGlfw_ContextMap_Add(window, bd->Context);
snprintf(bd->BackendPlatformName, sizeof(bd->BackendPlatformName), "imgui_impl_glfw (%d)%s", GLFW_VERSION_COMBINED, bd->IsWayland ? " (Wayland)" : "");
io.BackendPlatformUserData = (void*)bd;
io.BackendPlatformName = bd->BackendPlatformName;
#if GLFW_HAS_CREATECURSOR
@@ -684,12 +690,6 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
#endif
io.BackendFlags |= ImGuiBackendFlags_HasSetMousePos; // We can honor io.WantSetMousePos requests (optional, rarely used)
bd->Context = ImGui::GetCurrentContext();
bd->Window = window;
bd->Time = 0.0;
bd->IsWayland = ImGui_ImplGlfw_IsWayland();
ImGui_ImplGlfw_ContextMap_Add(window, bd->Context);
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
#if GLFW_VERSION_COMBINED < 3300
platform_io.Platform_SetClipboardTextFn = [](ImGuiContext*, const char* text) { glfwSetClipboardString(ImGui_ImplGlfw_GetBackendData()->Window, text); };

12
backends/imgui_impl_sdl2.cpp
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@@ -147,7 +147,8 @@ struct ImGui_ImplSDL2_Data
SDL_Renderer* Renderer;
Uint64 Time;
char* ClipboardTextData;
char BackendPlatformName[48];
char BackendPlatformName[64];
bool IsWayland;
// Mouse handling
Uint32 MouseWindowID;
@@ -499,11 +500,12 @@ static bool ImGui_ImplSDL2_Init(SDL_Window* window, SDL_Renderer* renderer, void
SDL_version ver_runtime;
SDL_VERSION(&ver_compiled);
SDL_GetVersion(&ver_runtime);
const char* sdl_video_driver = SDL_GetCurrentVideoDriver();
// Setup backend capabilities flags
ImGui_ImplSDL2_Data* bd = IM_NEW(ImGui_ImplSDL2_Data)();
snprintf(bd->BackendPlatformName, sizeof(bd->BackendPlatformName), "imgui_impl_sdl2 (%u.%u.%u, %u.%u.%u)",
ver_compiled.major, ver_compiled.minor, ver_compiled.patch, ver_runtime.major, ver_runtime.minor, ver_runtime.patch);
snprintf(bd->BackendPlatformName, sizeof(bd->BackendPlatformName), "imgui_impl_sdl2 (%u.%u.%u, %u.%u.%u) (%s)",
ver_compiled.major, ver_compiled.minor, ver_compiled.patch, ver_runtime.major, ver_runtime.minor, ver_runtime.patch, sdl_video_driver);
io.BackendPlatformUserData = (void*)bd;
io.BackendPlatformName = bd->BackendPlatformName;
io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional)
@@ -512,16 +514,16 @@ static bool ImGui_ImplSDL2_Init(SDL_Window* window, SDL_Renderer* renderer, void
bd->Window = window;
bd->WindowID = SDL_GetWindowID(window);
bd->Renderer = renderer;
bd->IsWayland = strcmp(sdl_video_driver, "Wayland") == 0;
// Check and store if we are on a SDL backend that supports SDL_GetGlobalMouseState() and SDL_CaptureMouse()
// ("wayland" and "rpi" don't support it, but we chose to use a white-list instead of a black-list)
bd->MouseCanUseGlobalState = false;
bd->MouseCaptureMode = ImGui_ImplSDL2_MouseCaptureMode_Disabled;
#if SDL_HAS_CAPTURE_AND_GLOBAL_MOUSE
const char* sdl_backend = SDL_GetCurrentVideoDriver();
const char* capture_and_global_state_whitelist[] = { "windows", "cocoa", "x11", "DIVE", "VMAN" };
for (const char* item : capture_and_global_state_whitelist)
if (strncmp(sdl_backend, item, strlen(item)) == 0)
if (strncmp(sdl_video_driver, item, strlen(item)) == 0)
{
bd->MouseCanUseGlobalState = true;
bd->MouseCaptureMode = (strcmp(item, "x11") == 0) ? ImGui_ImplSDL2_MouseCaptureMode_EnabledAfterDrag : ImGui_ImplSDL2_MouseCaptureMode_Enabled;

13
backends/imgui_impl_sdl3.cpp
View File

@@ -111,7 +111,8 @@ struct ImGui_ImplSDL3_Data
SDL_Renderer* Renderer;
Uint64 Time;
char* ClipboardTextData;
char BackendPlatformName[48];
char BackendPlatformName[64];
bool IsWayland;
// IME handling
SDL_Window* ImeWindow;
@@ -502,11 +503,13 @@ static bool ImGui_ImplSDL3_Init(SDL_Window* window, SDL_Renderer* renderer, void
//SDL_SetHint(SDL_HINT_EVENT_LOGGING, "2");
const int ver_linked = SDL_GetVersion();
const char* sdl_video_driver = SDL_GetCurrentVideoDriver();
// Setup backend capabilities flags
ImGui_ImplSDL3_Data* bd = IM_NEW(ImGui_ImplSDL3_Data)();
snprintf(bd->BackendPlatformName, sizeof(bd->BackendPlatformName), "imgui_impl_sdl3 (%d.%d.%d; %d.%d.%d)",
SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_MICRO_VERSION, SDL_VERSIONNUM_MAJOR(ver_linked), SDL_VERSIONNUM_MINOR(ver_linked), SDL_VERSIONNUM_MICRO(ver_linked));
snprintf(bd->BackendPlatformName, sizeof(bd->BackendPlatformName), "imgui_impl_sdl3 (%d.%d.%d; %d.%d.%d) (%s)",
SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_MICRO_VERSION, SDL_VERSIONNUM_MAJOR(ver_linked), SDL_VERSIONNUM_MINOR(ver_linked), SDL_VERSIONNUM_MICRO(ver_linked),
sdl_video_driver);
io.BackendPlatformUserData = (void*)bd;
io.BackendPlatformName = bd->BackendPlatformName;
io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional)
@@ -515,16 +518,16 @@ static bool ImGui_ImplSDL3_Init(SDL_Window* window, SDL_Renderer* renderer, void
bd->Window = window;
bd->WindowID = SDL_GetWindowID(window);
bd->Renderer = renderer;
bd->IsWayland = strcmp(sdl_video_driver, "wayland") == 0;
// Check and store if we are on a SDL backend that supports SDL_GetGlobalMouseState() and SDL_CaptureMouse()
// ("wayland" and "rpi" don't support it, but we chose to use a white-list instead of a black-list)
bd->MouseCanUseGlobalState = false;
bd->MouseCaptureMode = ImGui_ImplSDL3_MouseCaptureMode_Disabled;
#if SDL_HAS_CAPTURE_AND_GLOBAL_MOUSE
const char* sdl_backend = SDL_GetCurrentVideoDriver();
const char* capture_and_global_state_whitelist[] = { "windows", "cocoa", "x11", "DIVE", "VMAN" };
for (const char* item : capture_and_global_state_whitelist)
if (strncmp(sdl_backend, item, strlen(item)) == 0)
if (strncmp(sdl_video_driver, item, strlen(item)) == 0)
{
bd->MouseCanUseGlobalState = true;
bd->MouseCaptureMode = (strcmp(item, "x11") == 0) ? ImGui_ImplSDL3_MouseCaptureMode_EnabledAfterDrag : ImGui_ImplSDL3_MouseCaptureMode_Enabled;