Implement quick&dirty approach to update window size and position
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f2e39fb2f7
commit
b05b8bae8b
9 changed files with 53 additions and 8 deletions
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@ -497,6 +497,13 @@ FrameBufferWindow* FrameBuffer::createWindow(int x, int y, int width, int height
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return window;
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}
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void FrameBuffer::updateWindow(FrameBufferWindow *window, int x, int y, int width, int height) {
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if (!window)
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return;
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updateSubWindow(window->native_window, x, y, width, height);
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}
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void FrameBuffer::destroyWindow(FrameBufferWindow *window) {
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if (!window)
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return;
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@ -79,6 +79,7 @@ public:
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static bool initialize(EGLNativeDisplayType nativeDisplay);
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FrameBufferWindow* createWindow(int x, int y, int width, int height);
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void updateWindow(FrameBufferWindow *window, int x, int y, int width, int height);
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void destroyWindow(FrameBufferWindow *window);
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// Finalize the instance.
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@ -82,13 +82,16 @@ void LayerManager::post_layer(const LayerInfo &layer) {
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l.second.updated = true;
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}
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}
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else {
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printf("New layer '%s' {%d,%d,%d,%d}\n", layer.name.c_str());
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window = FrameBuffer::getFB()->createWindow(
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layer.display_frame.left,
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layer.display_frame.top,
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layer.display_frame.right,
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layer.display_frame.bottom);
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auto width = layer.display_frame.right - layer.display_frame.left;
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auto height = layer.display_frame.bottom - layer.display_frame.top;
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if (!window) {
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auto buffer = FrameBuffer::getFB()->getColorBufferFromHandle(layer.buffer_handle);
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window = FrameBuffer::getFB()->createWindow(layer.display_frame.left,
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layer.display_frame.top,
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width, height);
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if (!window) {
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printf("Failed to create window for layer '%s'\n", layer.name.c_str());
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return;
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@ -97,7 +100,10 @@ void LayerManager::post_layer(const LayerInfo &layer) {
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}
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printf("%s: window %p buffer %d\n", __func__, window, layer.buffer_handle);
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FrameBuffer::getFB()->updateWindow(window,
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layer.display_frame.left,
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layer.display_frame.top,
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width, height);
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FrameBuffer::getFB()->post(window, layer.buffer_handle);
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}
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@ -30,6 +30,7 @@ class SubWindowHandler {
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public:
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virtual ~SubWindowHandler() { }
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virtual EGLNativeWindowType create_window(int x, int y, int width, int height) = 0;
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virtual void update_window(EGLNativeWindowType win, int x, int y, int width, int height) = 0;
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virtual void destroy_window(EGLNativeWindowType win) = 0;
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};
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@ -55,6 +56,8 @@ EGLNativeWindowType createSubWindow(FBNativeWindowType p_window,
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int width,
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int height);
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void updateSubWindow(EGLNativeWindowType win, int x, int y, int width, int height);
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// Destroy a sub-window previously created through createSubWindow() above.
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void destroySubWindow(EGLNativeWindowType win);
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@ -44,6 +44,13 @@ EGLNativeWindowType createSubWindow(FBNativeWindowType p_window,
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return current_handler->create_window(x, y, width, height);
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}
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void updateSubWindow(EGLNativeWindowType win, int x, int y, int width, int height) {
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if (!current_handler)
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return;
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return current_handler->update_window(win, x, y, width, height);
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}
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void destroySubWindow(EGLNativeWindowType win) {
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if (!current_handler)
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return;
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@ -62,6 +62,14 @@ Window::~Window() {
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SDL_DestroyWindow(window_);
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}
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void Window::resize(int width, int height) {
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SDL_SetWindowSize(window_, width, height);
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}
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int Window::update_position(int x, int y) {
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SDL_SetWindowPosition(window_, x, y);
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}
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EGLNativeWindowType Window::native_window() const {
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return native_window_;
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}
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@ -32,6 +32,9 @@ public:
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Window(int x, int y, int width, int height);
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~Window();
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void resize(int width, int height);
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int update_position(int x, int y);
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EGLNativeWindowType native_window() const;
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private:
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@ -91,6 +91,15 @@ catch (std::exception &err) {
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return 0;
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}
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void WindowCreator::update_window(EGLNativeWindowType win, int x, int y, int width, int height) {
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auto iter = windows_.find(win);
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if (iter == windows_.end())
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return;
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iter->second->resize(width, height);
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iter->second->update_position(x, y);
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}
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void WindowCreator::destroy_window(EGLNativeWindowType win) {
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auto iter = windows_.find(win);
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if (iter == windows_.end())
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@ -39,6 +39,7 @@ public:
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~WindowCreator();
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EGLNativeWindowType create_window(int x, int y, int width, int height) override;
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void update_window(EGLNativeWindowType win, int x, int y, int width, int height) override;
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void destroy_window(EGLNativeWindowType win) override;
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DisplayInfo display_info() const override;
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