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Backends: Cleanup, removed unnecessary create/destroy wrappers. Fix allegro5 backend + use same code as other backend.

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+ Update gallery links (#4280)
This commit is contained in:
ocornut
2021-06-30 15:22:15 +02:00
parent 6792e1a3e0
commit cf2daf353e
13 changed files with 129 additions and 121 deletions
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17
backends/imgui_impl_glfw.cpp
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@ -90,9 +90,10 @@ struct ImGui_ImplGlfw_Data
// It is STRONGLY preferred that you use docking branch with multi-viewports (== single Dear ImGui context + multiple windows) instead of multiple Dear ImGui contexts.
// FIXME: multi-context support is not well tested and probably dysfunctional in this backend.
// FIXME: some shared resources (mouse cursor shape, gamepad) are mishandled when using multi-context.
static ImGui_ImplGlfw_Data* ImGui_ImplGlfw_CreateBackendData() { return IM_NEW(ImGui_ImplGlfw_Data)(); }
static ImGui_ImplGlfw_Data* ImGui_ImplGlfw_GetBackendData() { return (ImGui_ImplGlfw_Data*)ImGui::GetIO().BackendPlatformUserData; }
static void ImGui_ImplGlfw_DestroyBackendData() { IM_DELETE(ImGui_ImplGlfw_GetBackendData()); }
static ImGui_ImplGlfw_Data* ImGui_ImplGlfw_GetBackendData()
{
return ImGui::GetCurrentContext() ? (ImGui_ImplGlfw_Data*)ImGui::GetIO().BackendPlatformUserData : NULL;
}
// Functions
static const char* ImGui_ImplGlfw_GetClipboardText(void* user_data)
@ -167,16 +168,16 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
ImGuiIO& io = ImGui::GetIO();
IM_ASSERT(io.BackendPlatformUserData == NULL && "Already initialized a platform backend!");
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_CreateBackendData();
bd->Window = window;
bd->Time = 0.0;
// Setup backend capabilities flags
ImGui_ImplGlfw_Data* bd = IM_NEW(ImGui_ImplGlfw_Data)();
io.BackendPlatformUserData = (void*)bd;
io.BackendPlatformName = "imgui_impl_glfw";
io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional)
io.BackendFlags |= ImGuiBackendFlags_HasSetMousePos; // We can honor io.WantSetMousePos requests (optional, rarely used)
bd->Window = window;
bd->Time = 0.0;
// Keyboard mapping. Dear ImGui will use those indices to peek into the io.KeysDown[] array.
io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB;
io.KeyMap[ImGuiKey_LeftArrow] = GLFW_KEY_LEFT;
@ -282,7 +283,7 @@ void ImGui_ImplGlfw_Shutdown()
io.BackendPlatformName = NULL;
io.BackendPlatformUserData = NULL;
ImGui_ImplGlfw_DestroyBackendData();
IM_DELETE(bd);
}
static void ImGui_ImplGlfw_UpdateMousePosAndButtons()