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Add hidden window flag, to be in line with how imgui's sdl backend works

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redstrate 2021-10-13 10:55:20 -04:00
parent 3f2be1e26a
commit 5226aa1200
3 changed files with 31 additions and 7 deletions
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6
engine/core/src/imgui_backend.cpp
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@ -109,14 +109,16 @@ imgui_backend::imgui_backend() {
platform_io.Monitors.push_back(monitor);
platform_io.Platform_CreateWindow = [](ImGuiViewport* viewport) {
viewport->PlatformHandle = platform::open_window("", {viewport->Pos, viewport->Size}, WindowFlags::Borderless);
viewport->PlatformHandle = platform::open_window("", {viewport->Pos, viewport->Size}, WindowFlags::Borderless | WindowFlags::Hidden);
};
platform_io.Platform_DestroyWindow = [](ImGuiViewport* viewport) {
platform::close_window(viewport->PlatformHandle);
};
platform_io.Platform_ShowWindow = [](ImGuiViewport*) {};
platform_io.Platform_ShowWindow = [](ImGuiViewport* viewport) {
platform::show_window(viewport->PlatformHandle);
};
platform_io.Platform_SetWindowPos = [](ImGuiViewport* viewport, const ImVec2 pos) {
platform::set_window_position(viewport->PlatformHandle, pos);

18
engine/platform/include/platform.hpp
View file

@ -8,11 +8,20 @@
/// Requestable window flags, which may or may not be respected by the platform.
enum class WindowFlags {
None,
Resizable,
Borderless
None = 0,
Resizable = 2,
Borderless = 4,
Hidden = 8
};
inline WindowFlags operator|(const WindowFlags a, const WindowFlags b) {
return static_cast<WindowFlags>(static_cast<int>(a) | static_cast<int>(b));
}
inline bool operator&(const WindowFlags a, const WindowFlags b) {
return static_cast<int>(a) & static_cast<int>(b);
}
/// Represents a button. This includes keyboard, gamepad and mouse buttons.
enum class InputButton {
Invalid,
@ -134,6 +143,9 @@ namespace platform {
/// Sets the window title.
void set_window_title(window_ptr window, std::string_view title);
/// Show window
void show_window(window_ptr window);
/// Queries whether or not the button is currently pressed.
bool get_key_down(InputButton key);

14
platforms/sdl/main.cpp.in
View file

@ -81,11 +81,15 @@ platform::window_ptr platform::open_window(const std::string_view title, const p
auto& win = windows.emplace_back();
int sdl_flags = SDL_WINDOW_VULKAN | SDL_WINDOW_ALLOW_HIGHDPI;
if(flags == WindowFlags::Borderless)
if(flags & WindowFlags::Borderless)
sdl_flags |= SDL_WINDOW_BORDERLESS;
if(flags == WindowFlags::Resizable)
if(flags & WindowFlags::Resizable)
sdl_flags |= SDL_WINDOW_RESIZABLE;
if(flags & WindowFlags::Hidden)
sdl_flags |= SDL_WINDOW_HIDDEN;
auto resolution = platform::get_monitor_resolution();
int real_x = rect.offset.x;
@ -212,6 +216,12 @@ void platform::set_window_title(const platform::window_ptr index, const std::str
SDL_SetWindowTitle(window, title.data());
}
void platform::show_window(const platform::window_ptr index) {
auto window = get_window(index);
SDL_ShowWindow(window);
}
bool platform::get_key_down(const InputButton key) {
const Uint8 *state = SDL_GetKeyboardState(NULL);