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Viewport, Platform, Examples: Changes to resizing flow + restored support for Platform events affecting the ImGui windows (so Decorated windows are functional). (#1542, #1042) ..

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SDL: Added platform move/resize/close support.
GLFW: Added platform move/resize support. Moved Close to use callback for consistency.
Win32:
Vulkan: Fixed resize support.
Naming is WIP "PlatforrmRequestXXX" is too ambiguous. Basically we either have a ImGui->Platform flow or a Platform->ImGui flow. Working a bigger refactor now.
This commit is contained in:
omar
2018-03-15 10:54:27 +01:00
parent 207ad45983
commit 6e58a95a01
6 changed files with 90 additions and 34 deletions
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22
examples/imgui_impl_sdl2.cpp
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@ -100,6 +100,21 @@ bool ImGui_ImplSDL2_ProcessEvent(SDL_Event* event)
io.KeySuper = ((SDL_GetModState() & KMOD_GUI) != 0);
return true;
}
// Multi-viewport support
case SDL_WINDOWEVENT:
Uint8 window_event = event->window.event;
if (window_event == SDL_WINDOWEVENT_CLOSE || window_event == SDL_WINDOWEVENT_MOVED || window_event == SDL_WINDOWEVENT_RESIZED)
if (ImGuiViewport* viewport = ImGui::FindViewportByPlatformHandle((void*)SDL_GetWindowFromID(event->window.windowID)))
{
if (window_event == SDL_WINDOWEVENT_CLOSE)
viewport->PlatformRequestClose = true;
if (window_event == SDL_WINDOWEVENT_MOVED)
viewport->PlatformRequestMove = true;
if (window_event == SDL_WINDOWEVENT_RESIZED)
viewport->PlatformRequestResize = true;
return true;
}
break;
}
return false;
}
@ -288,7 +303,8 @@ static void ImGui_ImplSDL2_CreateViewport(ImGuiViewport* viewport)
sdl_flags |= SDL_WINDOW_HIDDEN;
sdl_flags |= (viewport->Flags & ImGuiViewportFlags_NoDecoration) ? SDL_WINDOW_BORDERLESS : 0;
sdl_flags |= (viewport->Flags & ImGuiViewportFlags_NoDecoration) ? 0 : SDL_WINDOW_RESIZABLE;
data->Window = SDL_CreateWindow("No Title Yet", 0, 0, (int)viewport->Size.x, (int)viewport->Size.y, sdl_flags);
data->Window = SDL_CreateWindow("No Title Yet",
(int)viewport->PlatformOsDesktopPos.x, (int)viewport->PlatformOsDesktopPos.y, (int)viewport->Size.x, (int)viewport->Size.y, sdl_flags);
if (main_viewport_data->GLContext)
data->GLContext = SDL_GL_CreateContext(data->Window);
viewport->PlatformHandle = (void*)data->Window;
@ -328,7 +344,7 @@ static void ImGui_ImplSDL2_ShowWindow(ImGuiViewport* viewport)
ex_style &= ~WS_EX_APPWINDOW;
ex_style |= WS_EX_TOOLWINDOW;
::SetWindowLong(hwnd, GWL_EXSTYLE, ex_style);
}
}
// SDL hack: SDL always activate/focus windows :/
if (viewport->Flags & ImGuiViewportFlags_NoFocusOnAppearing)
@ -336,7 +352,7 @@ static void ImGui_ImplSDL2_ShowWindow(ImGuiViewport* viewport)
::ShowWindow(hwnd, SW_SHOWNA);
return;
}
}
}
#endif
SDL_ShowWindow(data->Window);