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Merge branch 'viewport' into docking

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# Conflicts:
#	imgui_internal.h
This commit is contained in:
omar 2018-11-29 21:30:26 +01:00
commit 3c114b280a
6 changed files with 48 additions and 28 deletions
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4
examples/example_win32_directx12/main.cpp
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@ -38,9 +38,9 @@ static D3D12_CPU_DESCRIPTOR_HANDLE g_mainRenderTargetDescriptor[NUM_BACK_BUFFER
void CreateRenderTarget()
{
ID3D12Resource* pBackBuffer;
for (UINT i = 0; i < NUM_BACK_BUFFERS; i++)
{
ID3D12Resource* pBackBuffer = NULL;
g_pSwapChain->GetBuffer(i, IID_PPV_ARGS(&pBackBuffer));
g_pd3dDevice->CreateRenderTargetView(pBackBuffer, NULL, g_mainRenderTargetDescriptor[i]);
g_mainRenderTargetResource[i] = pBackBuffer;
@ -416,7 +416,7 @@ int main(int, char**)
if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
{
ImGui::UpdatePlatformWindows();
ImGui::RenderPlatformWindowsDefault();
ImGui::RenderPlatformWindowsDefault(NULL, (void*)g_pd3dCommandList);
}
g_pSwapChain->Present(1, 0); // Present with vsync

8
examples/imgui_impl_dx12.cpp
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@ -731,18 +731,22 @@ static void ImGui_ImplDX12_SetWindowSize(ImGuiViewport* viewport, ImVec2 size)
*/
}
static void ImGui_ImplDX12_RenderWindow(ImGuiViewport* viewport, void*)
// arg = ID3D12GraphicsCommandList*
static void ImGui_ImplDX12_RenderWindow(ImGuiViewport* viewport, void* renderer_arg)
{
ImGuiViewportDataDx12* data = (ImGuiViewportDataDx12*)viewport->RendererUserData;
IM_ASSERT(0);
(void)data;
ID3D12GraphicsCommandList* command_list = (ID3D12GraphicsCommandList*)renderer_arg;
/*
ImVec4 clear_color = ImVec4(0.0f, 0.0f, 0.0f, 1.0f);
g_pd3dDeviceContext->OMSetRenderTargets(1, &data->RTView, NULL);
if (!(viewport->Flags & ImGuiViewportFlags_NoRendererClear))
g_pd3dDeviceContext->ClearRenderTargetView(data->RTView, (float*)&clear_color);
*/
ImGui_ImplDX12_RenderDrawData(viewport->DrawData);
ImGui_ImplDX12_RenderDrawData(viewport->DrawData, command_list);
}
static void ImGui_ImplDX12_SwapBuffers(ImGuiViewport* viewport, void*)

13
examples/imgui_impl_sdl.cpp
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@ -46,7 +46,7 @@
#include <SDL_syswm.h>
#define SDL_HAS_WARP_MOUSE_GLOBAL SDL_VERSION_ATLEAST(2,0,4)
#define SDL_HAS_CAPTURE_MOUSE SDL_VERSION_ATLEAST(2,0,4)
#define SDL_HAS_WINDOW_OPACITY SDL_VERSION_ATLEAST(2,0,5)
#define SDL_HAS_WINDOW_ALPHA SDL_VERSION_ATLEAST(2,0,5)
#define SDL_HAS_ALWAYS_ON_TOP SDL_VERSION_ATLEAST(2,0,5)
#define SDL_HAS_USABLE_DISPLAY_BOUNDS SDL_VERSION_ATLEAST(2,0,5)
#define SDL_HAS_PER_MONITOR_DPI SDL_VERSION_ATLEAST(2,0,4)
@ -463,6 +463,14 @@ static void ImGui_ImplSDL2_SetWindowTitle(ImGuiViewport* viewport, const char* t
SDL_SetWindowTitle(data->Window, title);
}
#if SDL_HAS_WINDOW_ALPHA
static void ImGui_ImplSDL2_SetWindowAlpha(ImGuiViewport* viewport, float alpha)
{
ImGuiViewportDataSDL2* data = (ImGuiViewportDataSDL2*)viewport->PlatformUserData;
SDL_SetWindowOpacity(data->Window, alpha);
}
#endif
static void ImGui_ImplSDL2_SetWindowFocus(ImGuiViewport* viewport)
{
ImGuiViewportDataSDL2* data = (ImGuiViewportDataSDL2*)viewport->PlatformUserData;
@ -556,6 +564,9 @@ static void ImGui_ImplSDL2_InitPlatformInterface(SDL_Window* window, void* sdl_g
platform_io.Platform_SetWindowTitle = ImGui_ImplSDL2_SetWindowTitle;
platform_io.Platform_RenderWindow = ImGui_ImplSDL2_RenderWindow;
platform_io.Platform_SwapBuffers = ImGui_ImplSDL2_SwapBuffers;
#if SDL_HAS_WINDOW_ALPHA
platform_io.Platform_SetWindowAlpha = ImGui_ImplSDL2_SetWindowAlpha;
#endif
#if SDL_HAS_VULKAN
platform_io.Platform_CreateVkSurface = ImGui_ImplSDL2_CreateVkSurface;
#endif

39
imgui.cpp
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@ -3736,7 +3736,7 @@ void ImGui::EndFrame()
IM_ASSERT(g.FrameScopeActive && "Forgot to call ImGui::NewFrame()");
// Notify OS when our Input Method Editor cursor has moved (e.g. CJK inputs using Microsoft IME)
if (g.PlatformIO.Platform_SetImeInputPos && g.PlatformImePosViewport != NULL && ImLengthSqr(g.PlatformImePos - g.PlatformImeLastPos) > 0.0001f)
if (g.PlatformIO.Platform_SetImeInputPos && ImLengthSqr(g.PlatformImePos - g.PlatformImeLastPos) > 0.0001f && g.PlatformImePosViewport && g.PlatformImePosViewport->PlatformWindowCreated)
{
g.PlatformIO.Platform_SetImeInputPos(g.PlatformImePosViewport, g.PlatformImePos);
g.PlatformImeLastPos = g.PlatformImePos;
@ -7444,7 +7444,7 @@ 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->PlatformIsMinimized)
if (!(viewport->Flags & ImGuiViewportFlags_CanHostOtherWindows) || window->Viewport == viewport || viewport->PlatformWindowMinimized)
return false;
if (!viewport->GetRect().Contains(window->Rect()))
return false;
@ -7499,7 +7499,7 @@ 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->PlatformIsMinimized && viewport->GetRect().Contains(mouse_platform_pos))
if (!(viewport->Flags & ImGuiViewportFlags_NoInputs) && !viewport->PlatformWindowMinimized && viewport->GetRect().Contains(mouse_platform_pos))
if (best_candidate == NULL || best_candidate->LastFrontMostStampCount < viewport->LastFrontMostStampCount)
best_candidate = viewport;
}
@ -7551,14 +7551,15 @@ static void ImGui::UpdateViewports()
continue;
}
const bool platform_funcs_available = (n == 0 || viewport->PlatformWindowCreated);
if ((g.ConfigFlagsForFrame & ImGuiConfigFlags_ViewportsEnable))
{
if (g.PlatformIO.Platform_GetWindowMinimized && (n == 0 || viewport->CreatedPlatformWindow))
viewport->PlatformIsMinimized = g.PlatformIO.Platform_GetWindowMinimized(viewport);
if (g.PlatformIO.Platform_GetWindowMinimized && platform_funcs_available)
viewport->PlatformWindowMinimized = g.PlatformIO.Platform_GetWindowMinimized(viewport);
// 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->PlatformIsMinimized)
if (!viewport->PlatformWindowMinimized && platform_funcs_available)
{
if (viewport->PlatformRequestMove)
viewport->Pos = viewport->LastPlatformPos = g.PlatformIO.Platform_GetWindowPos(viewport);
@ -7649,14 +7650,14 @@ static void ImGui::UpdateViewports()
const bool is_mouse_dragging_with_an_expected_destination = g.DragDropActive;
if (is_mouse_dragging_with_an_expected_destination && viewport_hovered == NULL)
viewport_hovered = g.MouseLastHoveredViewport;
if (is_mouse_dragging_with_an_expected_destination || g.ActiveId == 0 || !ImGui::IsAnyMouseDown())
if (is_mouse_dragging_with_an_expected_destination || g.ActiveId == 0 || !IsAnyMouseDown())
if (viewport_hovered != NULL && viewport_hovered != g.MouseViewport && !(viewport_hovered->Flags & ImGuiViewportFlags_NoInputs))
g.MouseViewport = viewport_hovered;
IM_ASSERT(g.MouseViewport != NULL);
}
// FIXME: We should ideally refactor the system to call this everyframe (we currently don't)
// FIXME: We should ideally refactor the system to call this every frame (we currently don't)
ImGuiViewportP* ImGui::AddUpdateViewport(ImGuiWindow* window, ImGuiID id, const ImVec2& pos, const ImVec2& size, ImGuiViewportFlags flags)
{
ImGuiContext& g = *GImGui;
@ -7882,7 +7883,7 @@ void ImGui::UpdatePlatformWindows()
}
// Create window
bool is_new_window = (viewport->CreatedPlatformWindow == false);
bool is_new_window = (viewport->PlatformWindowCreated == false);
if (is_new_window)
{
//IMGUI_DEBUG_LOG("Create Platform Window %08X (%s)\n", viewport->ID, viewport->Window ? viewport->Window->Name : "n/a");
@ -7892,7 +7893,7 @@ void ImGui::UpdatePlatformWindows()
viewport->LastNameHash = 0;
viewport->LastPlatformPos = viewport->LastPlatformSize = ImVec2(FLT_MAX, FLT_MAX); // By clearing those we'll enforce a call to Platform_SetWindowPos/Platform_SetWindowSize before Platform_ShowWindow
viewport->LastRendererSize = viewport->Size;
viewport->CreatedPlatformWindow = true;
viewport->PlatformWindowCreated = true;
}
// Apply Position and Size (from ImGui to Platform/Renderer back-ends)
@ -7947,10 +7948,13 @@ void ImGui::UpdatePlatformWindows()
if (g.PlatformIO.Platform_GetWindowFocus != NULL)
{
ImGuiViewportP* focused_viewport = NULL;
for (int i = 0; i < g.Viewports.Size && focused_viewport == NULL; i++)
if (g.Viewports[i]->PlatformUserData != NULL || g.Viewports[i]->PlatformHandle != NULL)
if (g.PlatformIO.Platform_GetWindowFocus(g.Viewports[i]))
focused_viewport = g.Viewports[i];
for (int n = 0; n < g.Viewports.Size && focused_viewport == NULL; n++)
{
ImGuiViewportP* viewport = g.Viewports[n];
if (n == 0 || viewport->PlatformWindowCreated)
if (g.PlatformIO.Platform_GetWindowFocus(viewport))
focused_viewport = viewport;
}
if (focused_viewport && g.PlatformLastFocusedViewport != focused_viewport->ID)
{
if (focused_viewport->LastFrontMostStampCount != g.WindowsFrontMostStampCount)
@ -8039,7 +8043,8 @@ void ImGui::DestroyPlatformWindow(ImGuiViewportP* viewport)
IM_ASSERT(viewport->PlatformUserData == NULL);
viewport->PlatformHandle = NULL;
viewport->RendererUserData = viewport->PlatformHandle = NULL;
viewport->CreatedPlatformWindow = false;
viewport->PlatformWindowCreated = false;
viewport->PlatformRequestClose = viewport->PlatformRequestMove = viewport->PlatformRequestResize = false;
}
void ImGui::DestroyPlatformWindows()
@ -13154,7 +13159,7 @@ 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->PlatformIsMinimized ? 0.30f : 1.00f;
float alpha_mul = viewport->PlatformWindowMinimized ? 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++)
{
@ -13364,7 +13369,7 @@ 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->PlatformIsMinimized ? ", PlatformIsMinimized" : "");
(flags & ImGuiViewportFlags_NoRendererClear) ? " NoRendererClear" : "", viewport->PlatformWindowMinimized ? ", PlatformWindowMinimized" : "");
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");

4
imgui.h
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@ -2201,8 +2201,8 @@ struct ImGuiPlatformIO
void (*Platform_SetWindowAlpha)(ImGuiViewport* vp, float alpha); // (Optional) Setup window transparency
void (*Platform_RenderWindow)(ImGuiViewport* vp, void* render_arg); // (Optional) Setup for render (platform side)
void (*Platform_SwapBuffers)(ImGuiViewport* vp, void* render_arg); // (Optional) Call Present/SwapBuffers (platform side)
float (*Platform_GetWindowDpiScale)(ImGuiViewport* vp); // (Optional) DPI handling: Return DPI scale for this viewport. 1.0f = 96 DPI. (FIXME-DPI)
void (*Platform_OnChangedViewport)(ImGuiViewport* vp); // (Optional) DPI handling: Called during Begin() every time the viewport we are outputting into changes, so back-end has a chance to swap fonts to adjust style.
float (*Platform_GetWindowDpiScale)(ImGuiViewport* vp); // (Optional) [BETA] (FIXME-DPI) DPI handling: Return DPI scale for this viewport. 1.0f = 96 DPI. IMPORTANT: this will be called _before_ the window is created, in which case the implementation is expected to use the viewport->Pos/Size fields to estimate DPI value.
void (*Platform_OnChangedViewport)(ImGuiViewport* vp); // (Optional) [BETA] (FIXME-DPI) DPI handling: Called during Begin() every time the viewport we are outputting into changes, so back-end has a chance to swap fonts to adjust style.
void (*Platform_SetImeInputPos)(ImGuiViewport* vp, ImVec2 pos); // (Optional) Set IME (Input Method Editor, e.g. for Asian languages) input position, so text preview appears over the imgui input box.
int (*Platform_CreateVkSurface)(ImGuiViewport* vp, ImU64 vk_inst, const void* vk_allocators, ImU64* out_vk_surface); // (Optional) For Renderer to call into Platform code

8
imgui_internal.h
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@ -662,11 +662,11 @@ struct ImGuiViewportP : public ImGuiViewport
int LastFrontMostStampCount; // Last stamp number from when a window hosted by this viewport was made front-most (by comparing this value between two viewport we have an implicit viewport z-order
ImGuiID LastNameHash;
ImVec2 LastPos;
bool CreatedPlatformWindow;
float Alpha; // Window opacity (when dragging dockable windows/viewports we make them transparent)
float LastAlpha;
int PlatformMonitor;
bool PlatformIsMinimized;
bool PlatformWindowCreated;
bool PlatformWindowMinimized;
ImGuiWindow* Window; // Set when the viewport is owned by a window
ImDrawList* OverlayDrawList; // For convenience, a draw list we can render to that's always rendered last (we use it to draw software mouse cursor when io.MouseDrawCursor is set)
ImDrawData DrawDataP;
@ -675,7 +675,7 @@ struct ImGuiViewportP : public ImGuiViewport
ImVec2 LastPlatformSize;
ImVec2 LastRendererSize;
ImGuiViewportP() { Idx = -1; LastFrameActive = LastFrameOverlayDrawList = LastFrontMostStampCount = -1; LastNameHash = 0; CreatedPlatformWindow = false; Alpha = LastAlpha = 1.0f; PlatformMonitor = INT_MIN; PlatformIsMinimized = false; Window = NULL; OverlayDrawList = NULL; LastPlatformPos = LastPlatformSize = LastRendererSize = ImVec2(FLT_MAX, FLT_MAX); }
ImGuiViewportP() { Idx = -1; LastFrameActive = LastFrameOverlayDrawList = LastFrontMostStampCount = -1; LastNameHash = 0; Alpha = LastAlpha = 1.0f; PlatformMonitor = INT_MIN; PlatformWindowCreated = PlatformWindowMinimized = false; Window = NULL; OverlayDrawList = NULL; LastPlatformPos = LastPlatformSize = LastRendererSize = ImVec2(FLT_MAX, FLT_MAX); }
~ImGuiViewportP() { if (OverlayDrawList) IM_DELETE(OverlayDrawList); }
ImRect GetRect() const { return ImRect(Pos.x, Pos.y, Pos.x + Size.x, Pos.y + Size.y); }
ImVec2 GetCenter() const{ return ImVec2(Pos.x + Size.x * 0.5f, Pos.y + Size.y * 0.5f); }
@ -954,7 +954,7 @@ struct ImGuiContext
// Platform support
ImVec2 PlatformImePos, PlatformImeLastPos; // Cursor position request & last passed to the OS Input Method Editor
ImGuiViewport* PlatformImePosViewport;
ImGuiViewportP* PlatformImePosViewport;
// Extensions
// FIXME: We could provide an API to register one slot in an array held in ImGuiContext?