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Viewports: Avoid rendering/swapping secondary viewports that are minimized. (#1542, #2496)

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This commit is contained in:
omar
2019-04-22 11:46:04 +02:00
parent 20f0cb0281
commit d0fb547dc1
3 changed files with 28 additions and 15 deletions
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35
imgui.cpp
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@ -5622,7 +5622,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
window->Pos = FindBestWindowPosForPopup(window);
// Late create viewport if we don't fit within our current host viewport.
if (window->ViewportAllowPlatformMonitorExtend >= 0 && !window->ViewportOwned && !window->Viewport->PlatformWindowMinimized)
if (window->ViewportAllowPlatformMonitorExtend >= 0 && !window->ViewportOwned && !(window->Viewport->Flags & ImGuiViewportFlags_Minimized))
if (!window->Viewport->GetRect().Contains(window->Rect()))
{
// This is based on the assumption that the DPI will be known ahead (same as the DPI of the selection done in UpdateSelectWindowViewport)
@ -10171,7 +10171,7 @@ static bool ImGui::GetWindowAlwaysWantOwnViewport(ImGuiWindow* window)
static bool ImGui::UpdateTryMergeWindowIntoHostViewport(ImGuiWindow* window, ImGuiViewportP* viewport)
{
ImGuiContext& g = *GImGui;
if (!(viewport->Flags & ImGuiViewportFlags_CanHostOtherWindows) || window->Viewport == viewport || viewport->PlatformWindowMinimized)
if (!(viewport->Flags & (ImGuiViewportFlags_CanHostOtherWindows | ImGuiViewportFlags_Minimized)) || window->Viewport == viewport)
return false;
if (!viewport->GetRect().Contains(window->Rect()))
return false;
@ -10226,7 +10226,7 @@ static ImGuiViewportP* FindViewportHoveredFromPlatformWindowStack(const ImVec2 m
for (int n = 0; n < g.Viewports.Size; n++)
{
ImGuiViewportP* viewport = g.Viewports[n];
if (!(viewport->Flags & ImGuiViewportFlags_NoInputs) && !viewport->PlatformWindowMinimized && viewport->GetRect().Contains(mouse_platform_pos))
if (!(viewport->Flags & (ImGuiViewportFlags_NoInputs | ImGuiViewportFlags_Minimized)) && viewport->GetRect().Contains(mouse_platform_pos))
if (best_candidate == NULL || best_candidate->LastFrontMostStampCount < viewport->LastFrontMostStampCount)
best_candidate = viewport;
}
@ -10245,7 +10245,13 @@ static void ImGui::UpdateViewportsNewFrame()
const bool platform_funcs_available = viewport->PlatformWindowCreated;
if ((g.ConfigFlagsForFrame & ImGuiConfigFlags_ViewportsEnable))
if (g.PlatformIO.Platform_GetWindowMinimized && platform_funcs_available)
viewport->PlatformWindowMinimized = g.PlatformIO.Platform_GetWindowMinimized(viewport);
{
bool minimized = g.PlatformIO.Platform_GetWindowMinimized(viewport);
if (minimized)
viewport->Flags |= ImGuiViewportFlags_Minimized;
else
viewport->Flags &= ~ImGuiViewportFlags_Minimized;
}
}
// Create/update main viewport with current platform position and size
@ -10255,7 +10261,7 @@ static void ImGui::UpdateViewportsNewFrame()
ImVec2 main_viewport_platform_pos = ImVec2(0.0f, 0.0f);
ImVec2 main_viewport_platform_size = g.IO.DisplaySize;
if (g.ConfigFlagsForFrame & ImGuiConfigFlags_ViewportsEnable)
main_viewport_platform_pos = main_viewport->PlatformWindowMinimized ? main_viewport->Pos : g.PlatformIO.Platform_GetWindowPos(main_viewport);
main_viewport_platform_pos = (main_viewport->Flags & ImGuiViewportFlags_Minimized) ? main_viewport->Pos : g.PlatformIO.Platform_GetWindowPos(main_viewport);
AddUpdateViewport(NULL, IMGUI_VIEWPORT_DEFAULT_ID, main_viewport_platform_pos, main_viewport_platform_size, ImGuiViewportFlags_CanHostOtherWindows);
g.CurrentViewport = NULL;
@ -10293,7 +10299,7 @@ static void ImGui::UpdateViewportsNewFrame()
{
// Update Position and Size (from Platform Window to ImGui) if requested.
// We do it early in the frame instead of waiting for UpdatePlatformWindows() to avoid a frame of lag when moving/resizing using OS facilities.
if (!viewport->PlatformWindowMinimized && platform_funcs_available)
if (!(viewport->Flags & ImGuiViewportFlags_Minimized) && platform_funcs_available)
{
if (viewport->PlatformRequestMove)
viewport->Pos = viewport->LastPlatformPos = g.PlatformIO.Platform_GetWindowPos(viewport);
@ -10437,6 +10443,7 @@ ImGuiViewportP* ImGui::AddUpdateViewport(ImGuiWindow* window, ImGuiID id, const
viewport->Pos = pos;
if (!viewport->PlatformRequestResize)
viewport->Size = size;
viewport->Flags = flags | (viewport->Flags & ImGuiViewportFlags_Minimized); // Preserve existing flags
}
else
{
@ -10446,6 +10453,7 @@ ImGuiViewportP* ImGui::AddUpdateViewport(ImGuiWindow* window, ImGuiID id, const
viewport->Idx = g.Viewports.Size;
viewport->Pos = viewport->LastPos = pos;
viewport->Size = size;
viewport->Flags = flags;
UpdateViewportPlatformMonitor(viewport);
g.Viewports.push_back(viewport);
//IMGUI_DEBUG_LOG("Add Viewport %08X (%s)\n", id, window->Name);
@ -10464,7 +10472,6 @@ ImGuiViewportP* ImGui::AddUpdateViewport(ImGuiWindow* window, ImGuiID id, const
}
viewport->Window = window;
viewport->Flags = flags;
viewport->LastFrameActive = g.FrameCount;
IM_ASSERT(window == NULL || viewport->ID == window->ID);
@ -10721,9 +10728,11 @@ void ImGui::UpdatePlatformWindows()
//
// ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
// for (int i = 1; i < platform_io.Viewports.Size; i++)
// MyRenderFunction(platform_io.Viewports[i], my_args);
// if ((platform_io.Viewports[i]->Flags & ImGuiViewportFlags_Minimized) == 0)
// MyRenderFunction(platform_io.Viewports[i], my_args);
// for (int i = 1; i < platform_io.Viewports.Size; i++)
// MySwapBufferFunction(platform_io.Viewports[i], my_args);
// if ((platform_io.Viewports[i]->Flags & ImGuiViewportFlags_Minimized) == 0)
// MySwapBufferFunction(platform_io.Viewports[i], my_args);
//
void ImGui::RenderPlatformWindowsDefault(void* platform_render_arg, void* renderer_render_arg)
{
@ -10732,12 +10741,16 @@ void ImGui::RenderPlatformWindowsDefault(void* platform_render_arg, void* render
for (int i = 1; i < platform_io.Viewports.Size; i++)
{
ImGuiViewport* viewport = platform_io.Viewports[i];
if (viewport->Flags & ImGuiViewportFlags_Minimized)
continue;
if (platform_io.Platform_RenderWindow) platform_io.Platform_RenderWindow(viewport, platform_render_arg);
if (platform_io.Renderer_RenderWindow) platform_io.Renderer_RenderWindow(viewport, renderer_render_arg);
}
for (int i = 1; i < platform_io.Viewports.Size; i++)
{
ImGuiViewport* viewport = platform_io.Viewports[i];
if (viewport->Flags & ImGuiViewportFlags_Minimized)
continue;
if (platform_io.Platform_SwapBuffers) platform_io.Platform_SwapBuffers(viewport, platform_render_arg);
if (platform_io.Renderer_SwapBuffers) platform_io.Renderer_SwapBuffers(viewport, renderer_render_arg);
}
@ -14072,7 +14085,7 @@ static void RenderViewportThumbnail(ImDrawList* draw_list, ImGuiViewportP* viewp
ImVec2 scale = bb.GetSize() / viewport->Size;
ImVec2 off = bb.Min - viewport->Pos * scale;
float alpha_mul = viewport->PlatformWindowMinimized ? 0.30f : 1.00f;
float alpha_mul = (viewport->Flags & ImGuiViewportFlags_Minimized) ? 0.30f : 1.00f;
window->DrawList->AddRectFilled(bb.Min, bb.Max, ImGui::GetColorU32(ImGuiCol_Border, alpha_mul * 0.40f));
for (int i = 0; i != g.Windows.Size; i++)
{
@ -14287,7 +14300,7 @@ void ImGui::ShowMetricsWindow(bool* p_open)
ImGui::BulletText("Flags: 0x%04X =%s%s%s%s%s%s", viewport->Flags,
(flags & ImGuiViewportFlags_CanHostOtherWindows) ? " CanHostOtherWindows" : "", (flags & ImGuiViewportFlags_NoDecoration) ? " NoDecoration" : "",
(flags & ImGuiViewportFlags_NoFocusOnAppearing) ? " NoFocusOnAppearing" : "", (flags & ImGuiViewportFlags_NoInputs) ? " NoInputs" : "",
(flags & ImGuiViewportFlags_NoRendererClear) ? " NoRendererClear" : "", viewport->PlatformWindowMinimized ? ", PlatformWindowMinimized" : "");
(flags & ImGuiViewportFlags_NoRendererClear) ? " NoRendererClear" : "", (flags & ImGuiViewportFlags_Minimized) ? " Minimized" : "");
for (int layer_i = 0; layer_i < IM_ARRAYSIZE(viewport->DrawDataBuilder.Layers); layer_i++)
for (int draw_list_i = 0; draw_list_i < viewport->DrawDataBuilder.Layers[layer_i].Size; draw_list_i++)
Funcs::NodeDrawList(NULL, viewport, viewport->DrawDataBuilder.Layers[layer_i][draw_list_i], "DrawList");