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Fixed clipboard paste memory leak in SDL examples. (#1803)

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This commit is contained in:
Elias Daler 2018-05-09 15:06:53 +03:00 committed by omar
parent ad2927888b
commit 895647a240
2 changed files with 16 additions and 2 deletions
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9
examples/sdl_opengl2_example/imgui_impl_sdl_gl2.cpp
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@ -48,6 +48,7 @@ static Uint64 g_Time = 0;
static bool g_MousePressed[3] = { false, false, false }; static bool g_MousePressed[3] = { false, false, false };
static GLuint g_FontTexture = 0; static GLuint g_FontTexture = 0;
static SDL_Cursor* g_MouseCursors[ImGuiMouseCursor_COUNT] = { 0 }; static SDL_Cursor* g_MouseCursors[ImGuiMouseCursor_COUNT] = { 0 };
static char* g_ClipboardTextData = NULL;
// OpenGL2 Render function. // OpenGL2 Render function.
// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) // (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop)
@ -135,7 +136,10 @@ void ImGui_ImplSdlGL2_RenderDrawData(ImDrawData* draw_data)
static const char* ImGui_ImplSdlGL2_GetClipboardText(void*) static const char* ImGui_ImplSdlGL2_GetClipboardText(void*)
{ {
return SDL_GetClipboardText(); if (g_ClipboardTextData) SDL_free(g_ClipboardTextData);
g_ClipboardTextData = SDL_GetClipboardText();
return g_ClipboardTextData;
} }
static void ImGui_ImplSdlGL2_SetClipboardText(void*, const char* text) static void ImGui_ImplSdlGL2_SetClipboardText(void*, const char* text)
@ -285,6 +289,9 @@ void ImGui_ImplSdlGL2_Shutdown()
SDL_FreeCursor(g_MouseCursors[cursor_n]); SDL_FreeCursor(g_MouseCursors[cursor_n]);
memset(g_MouseCursors, 0, sizeof(g_MouseCursors)); memset(g_MouseCursors, 0, sizeof(g_MouseCursors));
// Remove previously allocated clipboard text data
if (g_ClipboardTextData) SDL_free(g_ClipboardTextData);
// Destroy OpenGL objects // Destroy OpenGL objects
ImGui_ImplSdlGL2_InvalidateDeviceObjects(); ImGui_ImplSdlGL2_InvalidateDeviceObjects();
} }

9
examples/sdl_opengl3_example/imgui_impl_sdl_gl3.cpp
View File

@ -51,6 +51,7 @@
static Uint64 g_Time = 0; 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] = { 0 }; static SDL_Cursor* g_MouseCursors[ImGuiMouseCursor_COUNT] = { 0 };
static char* g_ClipboardTextData = NULL;
// OpenGL data // OpenGL data
static char g_GlslVersion[32] = "#version 150"; static char g_GlslVersion[32] = "#version 150";
@ -183,7 +184,10 @@ void ImGui_ImplSdlGL3_RenderDrawData(ImDrawData* draw_data)
static const char* ImGui_ImplSdlGL3_GetClipboardText(void*) static const char* ImGui_ImplSdlGL3_GetClipboardText(void*)
{ {
return SDL_GetClipboardText(); if (g_ClipboardTextData) SDL_free(g_ClipboardTextData);
g_ClipboardTextData = SDL_GetClipboardText();
return g_ClipboardTextData;
} }
static void ImGui_ImplSdlGL3_SetClipboardText(void*, const char* text) static void ImGui_ImplSdlGL3_SetClipboardText(void*, const char* text)
@ -418,6 +422,9 @@ void ImGui_ImplSdlGL3_Shutdown()
SDL_FreeCursor(g_MouseCursors[cursor_n]); SDL_FreeCursor(g_MouseCursors[cursor_n]);
memset(g_MouseCursors, 0, sizeof(g_MouseCursors)); memset(g_MouseCursors, 0, sizeof(g_MouseCursors));
// Remove previously allocated clipboard text data
if (g_ClipboardTextData) SDL_free(g_ClipboardTextData);
// Destroy OpenGL objects // Destroy OpenGL objects
ImGui_ImplSdlGL3_InvalidateDeviceObjects(); ImGui_ImplSdlGL3_InvalidateDeviceObjects();
} }