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Refactor: Move viewport code under other subsystem to simplify merging (4) (moving in multiple commits to make diff/patch behave nicely)
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omar
parent
54a129a2e2
commit
5ce93bc0cc
198
imgui.cpp
198
imgui.cpp
@ -7787,107 +7787,6 @@ ImVec2 ImGui::FindBestWindowPosForPopup(ImGuiWindow* window)
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}
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//-----------------------------------------------------------------------------
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// [SECTION] VIEWPORTS, PLATFORM WINDOWS
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//-----------------------------------------------------------------------------
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// This is a default/basic function for performing the rendering/swap of multiple Platform Windows.
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// Custom renderers may prefer to not call this function at all, and instead iterate the publicly exposed platform data and handle rendering/sync themselves.
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// The Render/Swap functions stored in ImGuiPlatformIO are merely here to allow for this helper to exist, but you can do it yourself:
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//
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// ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
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// for (int i = 1; i < platform_io.Viewports.Size; i++)
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// MyRenderFunction(platform_io.Viewports[i], my_args);
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// for (int i = 1; i < platform_io.Viewports.Size; i++)
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// MySwapBufferFunction(platform_io.Viewports[i], my_args);
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//
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void ImGui::RenderPlatformWindowsDefault(void* platform_render_arg, void* renderer_render_arg)
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{
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// Skip the main viewport (index 0), which is always fully handled by the application!
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ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
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for (int i = 1; i < platform_io.Viewports.Size; i++)
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{
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ImGuiViewport* viewport = platform_io.Viewports[i];
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if (platform_io.Platform_RenderWindow) platform_io.Platform_RenderWindow(viewport, platform_render_arg);
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if (platform_io.Renderer_RenderWindow) platform_io.Renderer_RenderWindow(viewport, renderer_render_arg);
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}
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for (int i = 1; i < platform_io.Viewports.Size; i++)
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{
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ImGuiViewport* viewport = platform_io.Viewports[i];
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if (platform_io.Platform_SwapBuffers) platform_io.Platform_SwapBuffers(viewport, platform_render_arg);
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if (platform_io.Renderer_SwapBuffers) platform_io.Renderer_SwapBuffers(viewport, renderer_render_arg);
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}
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}
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static int ImGui::FindPlatformMonitorForPos(const ImVec2& pos)
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{
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ImGuiContext& g = *GImGui;
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for (int monitor_n = 0; monitor_n < g.PlatformIO.Monitors.Size; monitor_n++)
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{
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const ImGuiPlatformMonitor& monitor = g.PlatformIO.Monitors[monitor_n];
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if (ImRect(monitor.MainPos, monitor.MainPos + monitor.MainSize).Contains(pos))
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return monitor_n;
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}
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return -1;
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}
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// Search for the monitor with the largest intersection area with the given rectangle
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// We generally try to avoid searching loops but the monitor count should be very small here
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static int ImGui::FindPlatformMonitorForRect(const ImRect& rect)
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{
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ImGuiContext& g = *GImGui;
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// Use a minimum threshold of 1.0f so a zero-sized rect will still find its monitor given its position.
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// This is necessary for tooltips which always resize down to zero at first.
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const float surface_threshold = ImMax(rect.GetWidth() * rect.GetHeight() * 0.5f, 1.0f);
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int best_monitor_n = -1;
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float best_monitor_surface = 0.001f;
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for (int monitor_n = 0; monitor_n < g.PlatformIO.Monitors.Size && best_monitor_surface < surface_threshold; monitor_n++)
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{
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const ImGuiPlatformMonitor& monitor = g.PlatformIO.Monitors[monitor_n];
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const ImRect monitor_rect = ImRect(monitor.MainPos, monitor.MainPos + monitor.MainSize);
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if (monitor_rect.Contains(rect))
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return monitor_n;
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ImRect overlapping_rect = rect;
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overlapping_rect.ClipWithFull(monitor_rect);
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float overlapping_surface = overlapping_rect.GetWidth() * overlapping_rect.GetHeight();
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if (overlapping_surface < best_monitor_surface)
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continue;
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best_monitor_surface = overlapping_surface;
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best_monitor_n = monitor_n;
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}
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return best_monitor_n;
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}
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void ImGui::DestroyPlatformWindow(ImGuiViewportP* viewport)
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{
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ImGuiContext& g = *GImGui;
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if (g.PlatformIO.Renderer_DestroyWindow)
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g.PlatformIO.Renderer_DestroyWindow(viewport);
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if (g.PlatformIO.Platform_DestroyWindow)
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g.PlatformIO.Platform_DestroyWindow(viewport);
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IM_ASSERT(viewport->RendererUserData == NULL);
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IM_ASSERT(viewport->PlatformUserData == NULL);
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viewport->PlatformHandle = NULL;
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viewport->RendererUserData = viewport->PlatformHandle = NULL;
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viewport->PlatformWindowCreated = false;
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viewport->ClearRequestFlags();
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}
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void ImGui::DestroyPlatformWindows()
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{
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// We call the destroy window on every viewport (including the main viewport, index 0) to give a chance to the back-end
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// to clear any data they may have stored in e.g. PlatformUserData, RendererUserData.
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// It is convenient for the platform back-end code to store something in the main viewport, in order for e.g. the mouse handling
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// code to operator a consistent manner.
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// It is expected that the back-end can handle calls to Renderer_DestroyWindow/Platform_DestroyWindow without
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// crashing if it doesn't have data stored.
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ImGuiContext& g = *GImGui;
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for (int i = 0; i < g.Viewports.Size; i++)
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DestroyPlatformWindow(g.Viewports[i]);
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}
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//-----------------------------------------------------------------------------
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// [SECTION] KEYBOARD/GAMEPAD NAVIGATION
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//-----------------------------------------------------------------------------
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@ -10613,6 +10512,103 @@ void ImGui::UpdatePlatformWindows()
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}
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}
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// This is a default/basic function for performing the rendering/swap of multiple Platform Windows.
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// Custom renderers may prefer to not call this function at all, and instead iterate the publicly exposed platform data and handle rendering/sync themselves.
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// The Render/Swap functions stored in ImGuiPlatformIO are merely here to allow for this helper to exist, but you can do it yourself:
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//
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// ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
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// for (int i = 1; i < platform_io.Viewports.Size; i++)
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// MyRenderFunction(platform_io.Viewports[i], my_args);
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// for (int i = 1; i < platform_io.Viewports.Size; i++)
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// MySwapBufferFunction(platform_io.Viewports[i], my_args);
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//
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void ImGui::RenderPlatformWindowsDefault(void* platform_render_arg, void* renderer_render_arg)
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{
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// Skip the main viewport (index 0), which is always fully handled by the application!
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ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
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for (int i = 1; i < platform_io.Viewports.Size; i++)
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{
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ImGuiViewport* viewport = platform_io.Viewports[i];
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if (platform_io.Platform_RenderWindow) platform_io.Platform_RenderWindow(viewport, platform_render_arg);
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if (platform_io.Renderer_RenderWindow) platform_io.Renderer_RenderWindow(viewport, renderer_render_arg);
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}
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for (int i = 1; i < platform_io.Viewports.Size; i++)
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{
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ImGuiViewport* viewport = platform_io.Viewports[i];
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if (platform_io.Platform_SwapBuffers) platform_io.Platform_SwapBuffers(viewport, platform_render_arg);
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if (platform_io.Renderer_SwapBuffers) platform_io.Renderer_SwapBuffers(viewport, renderer_render_arg);
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}
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}
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static int ImGui::FindPlatformMonitorForPos(const ImVec2& pos)
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{
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ImGuiContext& g = *GImGui;
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for (int monitor_n = 0; monitor_n < g.PlatformIO.Monitors.Size; monitor_n++)
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{
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const ImGuiPlatformMonitor& monitor = g.PlatformIO.Monitors[monitor_n];
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if (ImRect(monitor.MainPos, monitor.MainPos + monitor.MainSize).Contains(pos))
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return monitor_n;
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}
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return -1;
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}
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// Search for the monitor with the largest intersection area with the given rectangle
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// We generally try to avoid searching loops but the monitor count should be very small here
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static int ImGui::FindPlatformMonitorForRect(const ImRect& rect)
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{
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ImGuiContext& g = *GImGui;
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// Use a minimum threshold of 1.0f so a zero-sized rect will still find its monitor given its position.
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// This is necessary for tooltips which always resize down to zero at first.
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const float surface_threshold = ImMax(rect.GetWidth() * rect.GetHeight() * 0.5f, 1.0f);
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int best_monitor_n = -1;
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float best_monitor_surface = 0.001f;
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for (int monitor_n = 0; monitor_n < g.PlatformIO.Monitors.Size && best_monitor_surface < surface_threshold; monitor_n++)
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{
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const ImGuiPlatformMonitor& monitor = g.PlatformIO.Monitors[monitor_n];
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const ImRect monitor_rect = ImRect(monitor.MainPos, monitor.MainPos + monitor.MainSize);
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if (monitor_rect.Contains(rect))
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return monitor_n;
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ImRect overlapping_rect = rect;
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overlapping_rect.ClipWithFull(monitor_rect);
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float overlapping_surface = overlapping_rect.GetWidth() * overlapping_rect.GetHeight();
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if (overlapping_surface < best_monitor_surface)
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continue;
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best_monitor_surface = overlapping_surface;
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best_monitor_n = monitor_n;
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}
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return best_monitor_n;
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}
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void ImGui::DestroyPlatformWindow(ImGuiViewportP* viewport)
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{
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ImGuiContext& g = *GImGui;
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if (g.PlatformIO.Renderer_DestroyWindow)
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g.PlatformIO.Renderer_DestroyWindow(viewport);
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if (g.PlatformIO.Platform_DestroyWindow)
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g.PlatformIO.Platform_DestroyWindow(viewport);
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IM_ASSERT(viewport->RendererUserData == NULL);
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IM_ASSERT(viewport->PlatformUserData == NULL);
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viewport->PlatformHandle = NULL;
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viewport->RendererUserData = viewport->PlatformHandle = NULL;
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viewport->PlatformWindowCreated = false;
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viewport->ClearRequestFlags();
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}
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void ImGui::DestroyPlatformWindows()
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{
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// We call the destroy window on every viewport (including the main viewport, index 0) to give a chance to the back-end
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// to clear any data they may have stored in e.g. PlatformUserData, RendererUserData.
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// It is convenient for the platform back-end code to store something in the main viewport, in order for e.g. the mouse handling
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// code to operator a consistent manner.
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// It is expected that the back-end can handle calls to Renderer_DestroyWindow/Platform_DestroyWindow without
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// crashing if it doesn't have data stored.
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ImGuiContext& g = *GImGui;
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for (int i = 0; i < g.Viewports.Size; i++)
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DestroyPlatformWindow(g.Viewports[i]);
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}
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//-----------------------------------------------------------------------------
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// [SECTION] DOCKING
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