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Merge branch 'master' into docking

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# Conflicts:
#	backends/imgui_impl_dx10.cpp
#	backends/imgui_impl_dx11.cpp
#	backends/imgui_impl_metal.mm
#	imgui.cpp
This commit is contained in:
ocornut 2025-01-08 14:36:14 +01:00
commit 960a6f14bf
20 changed files with 432 additions and 378 deletions
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58
backends/imgui_impl_dx10.cpp
View file

@ -16,7 +16,8 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-01-06: DirectX10: Expose selected render state in ImGui_ImplDX10_RenderState, which you can access in 'void* platform_io.Renderer_RenderState' during draw callbacks.
// 2024-10-07: DirectX10: Changed default texture sampler to Clamp instead of Repeat/Wrap.
// 2022-10-11: Using 'nullptr' instead of 'NULL' as per our switch to C++11.
// 2021-06-29: Reorganized backend to pull data from a single structure to facilitate usage with multiple-contexts (all g_XXXX access changed to bd->XXXX).
@ -101,7 +102,28 @@ static void ImGui_ImplDX10_SetupRenderState(ImDrawData* draw_data, ID3D10Device*
vp.TopLeftX = vp.TopLeftY = 0;
device->RSSetViewports(1, &vp);
// Bind shader and vertex buffers
// Setup orthographic projection matrix into our constant buffer
// Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps.
void* mapped_resource;
if (bd->pVertexConstantBuffer->Map(D3D10_MAP_WRITE_DISCARD, 0, &mapped_resource) == S_OK)
{
VERTEX_CONSTANT_BUFFER_DX10* constant_buffer = (VERTEX_CONSTANT_BUFFER_DX10*)mapped_resource;
float L = draw_data->DisplayPos.x;
float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x;
float T = draw_data->DisplayPos.y;
float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y;
float mvp[4][4] =
{
{ 2.0f/(R-L), 0.0f, 0.0f, 0.0f },
{ 0.0f, 2.0f/(T-B), 0.0f, 0.0f },
{ 0.0f, 0.0f, 0.5f, 0.0f },
{ (R+L)/(L-R), (T+B)/(B-T), 0.5f, 1.0f },
};
memcpy(&constant_buffer->mvp, mvp, sizeof(mvp));
bd->pVertexConstantBuffer->Unmap();
}
// Setup shader and vertex buffers
unsigned int stride = sizeof(ImDrawVert);
unsigned int offset = 0;
device->IASetInputLayout(bd->pInputLayout);
@ -177,28 +199,6 @@ void ImGui_ImplDX10_RenderDrawData(ImDrawData* draw_data)
bd->pVB->Unmap();
bd->pIB->Unmap();
// Setup orthographic projection matrix into our constant buffer
// Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps.
{
void* mapped_resource;
if (bd->pVertexConstantBuffer->Map(D3D10_MAP_WRITE_DISCARD, 0, &mapped_resource) != S_OK)
return;
VERTEX_CONSTANT_BUFFER_DX10* constant_buffer = (VERTEX_CONSTANT_BUFFER_DX10*)mapped_resource;
float L = draw_data->DisplayPos.x;
float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x;
float T = draw_data->DisplayPos.y;
float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y;
float mvp[4][4] =
{
{ 2.0f/(R-L), 0.0f, 0.0f, 0.0f },
{ 0.0f, 2.0f/(T-B), 0.0f, 0.0f },
{ 0.0f, 0.0f, 0.5f, 0.0f },
{ (R+L)/(L-R), (T+B)/(B-T), 0.5f, 1.0f },
};
memcpy(&constant_buffer->mvp, mvp, sizeof(mvp));
bd->pVertexConstantBuffer->Unmap();
}
// Backup DX state that will be modified to restore it afterwards (unfortunately this is very ugly looking and verbose. Close your eyes!)
struct BACKUP_DX10_STATE
{
@ -242,6 +242,13 @@ void ImGui_ImplDX10_RenderDrawData(ImDrawData* draw_data)
// Setup desired DX state
ImGui_ImplDX10_SetupRenderState(draw_data, device);
// Setup render state structure (for callbacks and custom texture bindings)
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
ImGui_ImplDX10_RenderState render_state;
render_state.Device = bd->pd3dDevice;
render_state.SamplerDefault = bd->pFontSampler;
render_state.VertexConstantBuffer = bd->pVertexConstantBuffer;
platform_io.Renderer_RenderState = &render_state;
// Render command lists
// (Because we merged all buffers into a single one, we maintain our own offset into them)
@ -254,7 +261,7 @@ void ImGui_ImplDX10_RenderDrawData(ImDrawData* draw_data)
for (int cmd_i = 0; cmd_i < draw_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &draw_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)
if (pcmd->UserCallback != nullptr)
{
// User callback, registered via ImDrawList::AddCallback()
// (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.)
@ -284,6 +291,7 @@ void ImGui_ImplDX10_RenderDrawData(ImDrawData* draw_data)
global_idx_offset += draw_list->IdxBuffer.Size;
global_vtx_offset += draw_list->VtxBuffer.Size;
}
platform_io.Renderer_RenderState = nullptr;
// Restore modified DX state
device->RSSetScissorRects(old.ScissorRectsCount, old.ScissorRects);

12
backends/imgui_impl_dx10.h
View file

@ -19,6 +19,8 @@
#ifndef IMGUI_DISABLE
struct ID3D10Device;
struct ID3D10SamplerState;
struct ID3D10Buffer;
// Follow "Getting Started" link and check examples/ folder to learn about using backends!
IMGUI_IMPL_API bool ImGui_ImplDX10_Init(ID3D10Device* device);
@ -30,4 +32,14 @@ IMGUI_IMPL_API void ImGui_ImplDX10_RenderDrawData(ImDrawData* draw_data);
IMGUI_IMPL_API bool ImGui_ImplDX10_CreateDeviceObjects();
IMGUI_IMPL_API void ImGui_ImplDX10_InvalidateDeviceObjects();
// [BETA] Selected render state data shared with callbacks.
// This is temporarily stored in GetPlatformIO().Renderer_RenderState during the ImGui_ImplDX10_RenderDrawData() call.
// (Please open an issue if you feel you need access to more data)
struct ImGui_ImplDX10_RenderState
{
ID3D10Device* Device;
ID3D10SamplerState* SamplerDefault;
ID3D10Buffer* VertexConstantBuffer;
};
#endif // #ifndef IMGUI_DISABLE

49
backends/imgui_impl_dx11.cpp
View file

@ -17,7 +17,8 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-01-06: DirectX11: Expose VertexConstantBuffer in ImGui_ImplDX11_RenderState. Reset projection matrix in ImDrawCallback_ResetRenderState handler.
// 2024-10-07: DirectX11: Changed default texture sampler to Clamp instead of Repeat/Wrap.
// 2024-10-07: DirectX11: Expose selected render state in ImGui_ImplDX11_RenderState, which you can access in 'void* platform_io.Renderer_RenderState' during draw callbacks.
// 2022-10-11: Using 'nullptr' instead of 'NULL' as per our switch to C++11.
@ -104,6 +105,27 @@ static void ImGui_ImplDX11_SetupRenderState(ImDrawData* draw_data, ID3D11DeviceC
vp.TopLeftX = vp.TopLeftY = 0;
device_ctx->RSSetViewports(1, &vp);
// Setup orthographic projection matrix into our constant buffer
// Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps.
D3D11_MAPPED_SUBRESOURCE mapped_resource;
if (device_ctx->Map(bd->pVertexConstantBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mapped_resource) == S_OK)
{
VERTEX_CONSTANT_BUFFER_DX11* constant_buffer = (VERTEX_CONSTANT_BUFFER_DX11*)mapped_resource.pData;
float L = draw_data->DisplayPos.x;
float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x;
float T = draw_data->DisplayPos.y;
float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y;
float mvp[4][4] =
{
{ 2.0f/(R-L), 0.0f, 0.0f, 0.0f },
{ 0.0f, 2.0f/(T-B), 0.0f, 0.0f },
{ 0.0f, 0.0f, 0.5f, 0.0f },
{ (R+L)/(L-R), (T+B)/(B-T), 0.5f, 1.0f },
};
memcpy(&constant_buffer->mvp, mvp, sizeof(mvp));
device_ctx->Unmap(bd->pVertexConstantBuffer, 0);
}
// Setup shader and vertex buffers
unsigned int stride = sizeof(ImDrawVert);
unsigned int offset = 0;
@ -120,7 +142,7 @@ static void ImGui_ImplDX11_SetupRenderState(ImDrawData* draw_data, ID3D11DeviceC
device_ctx->DSSetShader(nullptr, nullptr, 0); // In theory we should backup and restore this as well.. very infrequently used..
device_ctx->CSSetShader(nullptr, nullptr, 0); // In theory we should backup and restore this as well.. very infrequently used..
// Setup blend state
// Setup render state
const float blend_factor[4] = { 0.f, 0.f, 0.f, 0.f };
device_ctx->OMSetBlendState(bd->pBlendState, blend_factor, 0xffffffff);
device_ctx->OMSetDepthStencilState(bd->pDepthStencilState, 0);
@ -185,28 +207,6 @@ void ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data)
device->Unmap(bd->pVB, 0);
device->Unmap(bd->pIB, 0);
// Setup orthographic projection matrix into our constant buffer
// Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps.
{
D3D11_MAPPED_SUBRESOURCE mapped_resource;
if (device->Map(bd->pVertexConstantBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mapped_resource) != S_OK)
return;
VERTEX_CONSTANT_BUFFER_DX11* constant_buffer = (VERTEX_CONSTANT_BUFFER_DX11*)mapped_resource.pData;
float L = draw_data->DisplayPos.x;
float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x;
float T = draw_data->DisplayPos.y;
float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y;
float mvp[4][4] =
{
{ 2.0f/(R-L), 0.0f, 0.0f, 0.0f },
{ 0.0f, 2.0f/(T-B), 0.0f, 0.0f },
{ 0.0f, 0.0f, 0.5f, 0.0f },
{ (R+L)/(L-R), (T+B)/(B-T), 0.5f, 1.0f },
};
memcpy(&constant_buffer->mvp, mvp, sizeof(mvp));
device->Unmap(bd->pVertexConstantBuffer, 0);
}
// Backup DX state that will be modified to restore it afterwards (unfortunately this is very ugly looking and verbose. Close your eyes!)
struct BACKUP_DX11_STATE
{
@ -261,6 +261,7 @@ void ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data)
render_state.Device = bd->pd3dDevice;
render_state.DeviceContext = bd->pd3dDeviceContext;
render_state.SamplerDefault = bd->pFontSampler;
render_state.VertexConstantBuffer = bd->pVertexConstantBuffer;
platform_io.Renderer_RenderState = &render_state;
// Render command lists

2
backends/imgui_impl_dx11.h
View file

@ -22,6 +22,7 @@
struct ID3D11Device;
struct ID3D11DeviceContext;
struct ID3D11SamplerState;
struct ID3D11Buffer;
// Follow "Getting Started" link and check examples/ folder to learn about using backends!
IMGUI_IMPL_API bool ImGui_ImplDX11_Init(ID3D11Device* device, ID3D11DeviceContext* device_context);
@ -41,6 +42,7 @@ struct ImGui_ImplDX11_RenderState
ID3D11Device* Device;
ID3D11DeviceContext* DeviceContext;
ID3D11SamplerState* SamplerDefault;
ID3D11Buffer* VertexConstantBuffer;
};
#endif // #ifndef IMGUI_DISABLE

2
backends/imgui_impl_dx12.cpp
View file

@ -21,7 +21,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2024-12-09: DirectX12: Let user specifies the DepthStencilView format by setting ImGui_ImplDX12_InitInfo::DSVFormat.
// 2024-11-15: DirectX12: *BREAKING CHANGE* Changed ImGui_ImplDX12_Init() signature to take a ImGui_ImplDX12_InitInfo struct. Legacy ImGui_ImplDX12_Init() signature is still supported (will obsolete).
// 2024-11-15: DirectX12: *BREAKING CHANGE* User is now required to pass function pointers to allocate/free SRV Descriptors. We provide convenience legacy fields to pass a single descriptor, matching the old API, but upcoming features will want multiple.

2
backends/imgui_impl_dx12.h
View file

@ -44,7 +44,7 @@ struct ImGui_ImplDX12_InitInfo
D3D12_GPU_DESCRIPTOR_HANDLE LegacySingleSrvGpuDescriptor;
#endif
ImGui_ImplDX12_InitInfo() { memset(this, 0, sizeof(*this)); }
ImGui_ImplDX12_InitInfo() { memset((void*)this, 0, sizeof(*this)); }
};
// Follow "Getting Started" link and check examples/ folder to learn about using backends!

2
backends/imgui_impl_dx9.cpp
View file

@ -17,7 +17,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2024-10-07: DirectX9: Changed default texture sampler to Clamp instead of Repeat/Wrap.
// 2024-02-12: DirectX9: Using RGBA format when supported by the driver to avoid CPU side conversion. (#6575)
// 2022-10-11: Using 'nullptr' instead of 'NULL' as per our switch to C++11.

2
backends/imgui_impl_glfw.cpp
View file

@ -28,7 +28,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2024-11-05: [Docking] Added Linux workaround for spurious mouse up events emitted while dragging and creating new viewport. (#3158, #7733, #7922)
// 2024-08-22: moved some OS/backend related function pointers from ImGuiIO to ImGuiPlatformIO:
// - io.GetClipboardTextFn -> platform_io.Platform_GetClipboardTextFn

12
backends/imgui_impl_metal.mm
View file

@ -16,7 +16,8 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-XX-XX: Metal: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-XX-XX: Metal: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-01-08: Metal: Fixed memory leaks when using metal-cpp (#8276, #8166) or when using multiple contexts (#7419).
// 2022-08-23: Metal: Update deprecated property 'sampleCount'->'rasterSampleCount'.
// 2022-07-05: Metal: Add dispatch synchronization.
// 2022-06-30: Metal: Use __bridge for ARC based systems.
@ -168,8 +169,11 @@ void ImGui_ImplMetal_NewFrame(MTLRenderPassDescriptor* renderPassDescriptor)
{
ImGui_ImplMetal_Data* bd = ImGui_ImplMetal_GetBackendData();
IM_ASSERT(bd != nil && "Context or backend not initialized! Did you call ImGui_ImplMetal_Init()?");
#ifdef IMGUI_IMPL_METAL_CPP
bd->SharedMetalContext.framebufferDescriptor = [[[FramebufferDescriptor alloc] initWithRenderPassDescriptor:renderPassDescriptor]autorelease];
#else
bd->SharedMetalContext.framebufferDescriptor = [[FramebufferDescriptor alloc] initWithRenderPassDescriptor:renderPassDescriptor];
#endif
if (bd->SharedMetalContext.depthStencilState == nil)
ImGui_ImplMetal_CreateDeviceObjects(bd->SharedMetalContext.device);
}
@ -377,8 +381,10 @@ bool ImGui_ImplMetal_CreateDeviceObjects(id<MTLDevice> device)
depthStencilDescriptor.depthCompareFunction = MTLCompareFunctionAlways;
bd->SharedMetalContext.depthStencilState = [device newDepthStencilStateWithDescriptor:depthStencilDescriptor];
ImGui_ImplMetal_CreateDeviceObjectsForPlatformWindows();
#ifdef IMGUI_IMPL_METAL_CPP
[depthStencilDescriptor release];
#endif
ImGui_ImplMetal_CreateFontsTexture(device);
return true;
}

2
backends/imgui_impl_opengl2.cpp
View file

@ -25,7 +25,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2024-10-07: OpenGL: Changed default texture sampler to Clamp instead of Repeat/Wrap.
// 2024-06-28: OpenGL: ImGui_ImplOpenGL2_NewFrame() recreates font texture if it has been destroyed by ImGui_ImplOpenGL2_DestroyFontsTexture(). (#7748)
// 2022-10-11: Using 'nullptr' instead of 'NULL' as per our switch to C++11.

2
backends/imgui_impl_opengl3.cpp
View file

@ -23,7 +23,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2024-10-07: OpenGL: Changed default texture sampler to Clamp instead of Repeat/Wrap.
// 2024-06-28: OpenGL: ImGui_ImplOpenGL3_NewFrame() recreates font texture if it has been destroyed by ImGui_ImplOpenGL3_DestroyFontsTexture(). (#7748)
// 2024-05-07: OpenGL: Update loader for Linux to support EGL/GLVND. (#7562)

2
backends/imgui_impl_osx.mm
View file

@ -33,7 +33,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-XX-XX: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-XX-XX: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2024-08-22: moved some OS/backend related function pointers from ImGuiIO to ImGuiPlatformIO:
// - io.GetClipboardTextFn -> platform_io.Platform_GetClipboardTextFn
// - io.SetClipboardTextFn -> platform_io.Platform_SetClipboardTextFn

2
backends/imgui_impl_sdl2.cpp
View file

@ -25,7 +25,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2024-10-24: Emscripten: from SDL 2.30.9, SDL_EVENT_MOUSE_WHEEL event doesn't require dividing by 100.0f.
// 2024-09-09: use SDL_Vulkan_GetDrawableSize() when available. (#7967, #3190)
// 2024-08-22: moved some OS/backend related function pointers from ImGuiIO to ImGuiPlatformIO:

2
backends/imgui_impl_sdl3.cpp
View file

@ -25,7 +25,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2024-09-11: (Docking) Added support for viewport->ParentViewportId field to support parenting at OS level. (#7973)
// 2024-10-24: Emscripten: SDL_EVENT_MOUSE_WHEEL event doesn't require dividing by 100.0f on Emscripten.
// 2024-09-03: Update for SDL3 api changes: SDL_GetGamepads() memory ownership revert. (#7918, #7898, #7807)

5
backends/imgui_impl_vulkan.cpp
View file

@ -170,6 +170,7 @@ static bool g_FunctionsLoaded = true;
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroySurfaceKHR) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDestroySwapchainKHR) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkDeviceWaitIdle) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkEnumeratePhysicalDevices) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkEndCommandBuffer) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkFlushMappedMemoryRanges) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkFreeCommandBuffers) \
@ -177,7 +178,9 @@ static bool g_FunctionsLoaded = true;
IMGUI_VULKAN_FUNC_MAP_MACRO(vkFreeMemory) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetBufferMemoryRequirements) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetImageMemoryRequirements) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetPhysicalDeviceProperties) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetPhysicalDeviceMemoryProperties) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetPhysicalDeviceQueueFamilyProperties) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetPhysicalDeviceSurfaceCapabilitiesKHR) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetPhysicalDeviceSurfaceFormatsKHR) \
IMGUI_VULKAN_FUNC_MAP_MACRO(vkGetPhysicalDeviceSurfacePresentModesKHR) \
@ -232,7 +235,7 @@ struct ImGui_ImplVulkan_Texture
VkImageView ImageView;
VkDescriptorSet DescriptorSet;
ImGui_ImplVulkan_Texture() { memset(this, 0, sizeof(*this)); }
ImGui_ImplVulkan_Texture() { memset((void*)this, 0, sizeof(*this)); }
};
// For multi-viewport support:

2
backends/imgui_impl_win32.cpp
View file

@ -22,7 +22,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
// 2024-11-21: [Docking] Fixed a crash when multiple processes are running with multi-viewports, caused by misusage of GetProp(). (#8162, #8069)
// 2024-10-28: [Docking] Rely on property stored inside HWND to retrieve context/viewport, should facilitate attempt to use this for parallel contexts. (#8069)
// 2024-09-16: [Docking] Inputs: fixed an issue where a viewport destroyed while clicking would hog mouse tracking and temporary lead to incorrect update of HoveredWindow. (#7971)

4
docs/CHANGELOG.txt
View file

@ -67,11 +67,15 @@ Other changes:
- Misc: Fixed misc/cpp/imgui_stdlib.h/.cpp not supporting IMGUI_DISABLE. (#8294) [@juur]
- Backends: Allegro5: Avoid calling al_set_mouse_cursor() repeatedly since it appears
to leak on on X11 (#8256). [@Helodity]
- Backends: Metal: Fixed leaks when using metal-cpp. (#8276, #8166) [@selimsandal]
- Backends: Metal: Fixed resource leak when using multiple contexts. (#7419) [@anszom]
- Backends: Vulkan: Fixed setting VkSwapchainCreateInfoKHR::preTransform for
platforms not supporting VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR. (#8222) [@Zer0xFF]
- Backends: Vulkan: Added a few more ImGui_ImplVulkanH_XXX helper functions
primarily for the purpose of making our examples simpler.
- Backends: DX11: Expose vertex constant buffer in ImGui_ImplDX11_RenderState.
Reset projection matrix in ImDrawCallback_ResetRenderState handlers. (#6969, #5834, #7468, #3590)
- Backends: DX10: Expose ImGui_ImplDX10_RenderState for completeness. (#6969, #5834, #7468, #3590)
- Examples: Added Win32+Vulkan example for completeness. (#8180) [@jristic]

644
imgui.cpp
View file

@ -85,6 +85,7 @@ CODE
// [SECTION] SCROLLING
// [SECTION] TOOLTIPS
// [SECTION] POPUPS
// [SECTION] WINDOW FOCUS
// [SECTION] KEYBOARD/GAMEPAD NAVIGATION
// [SECTION] DRAG AND DROP
// [SECTION] LOGGING/CAPTURING
@ -1216,6 +1217,10 @@ namespace ImGui
// Item
static void ItemHandleShortcut(ImGuiID id);
// Window Focus
static int FindWindowFocusIndex(ImGuiWindow* window);
static void UpdateWindowInFocusOrderList(ImGuiWindow* window, bool just_created, ImGuiWindowFlags new_flags);
// Navigation
static void NavUpdate();
static void NavUpdateWindowing();
@ -1236,7 +1241,6 @@ static ImVec2 NavCalcPreferredRefPos();
static void NavSaveLastChildNavWindowIntoParent(ImGuiWindow* nav_window);
static ImGuiWindow* NavRestoreLastChildNavWindow(ImGuiWindow* window);
static void NavRestoreLayer(ImGuiNavLayer layer);
static int FindWindowFocusIndex(ImGuiWindow* window);
// Error Checking and Debug Tools
static void ErrorCheckNewFrameSanityChecks();
@ -3610,7 +3614,6 @@ const char* ImGui::GetStyleColorName(ImGuiCol idx)
return "Unknown";
}
//-----------------------------------------------------------------------------
// [SECTION] RENDER HELPERS
// Some of those (internal) functions are currently quite a legacy mess - their signature and behavior will change,
@ -4348,7 +4351,6 @@ void ImGui::CallContextHooks(ImGuiContext* ctx, ImGuiContextHookType hook_type)
hook.Callback(&g, &hook);
}
//-----------------------------------------------------------------------------
// [SECTION] MAIN CODE (most of the code! lots of stuff, needs tidying up!)
//-----------------------------------------------------------------------------
@ -6460,29 +6462,6 @@ static void ApplyWindowSettings(ImGuiWindow* window, ImGuiWindowSettings* settin
window->DockOrder = settings->DockOrder;
}
static void UpdateWindowInFocusOrderList(ImGuiWindow* window, bool just_created, ImGuiWindowFlags new_flags)
{
ImGuiContext& g = *GImGui;
const bool new_is_explicit_child = (new_flags & ImGuiWindowFlags_ChildWindow) != 0 && ((new_flags & ImGuiWindowFlags_Popup) == 0 || (new_flags & ImGuiWindowFlags_ChildMenu) != 0);
const bool child_flag_changed = new_is_explicit_child != window->IsExplicitChild;
if ((just_created || child_flag_changed) && !new_is_explicit_child)
{
IM_ASSERT(!g.WindowsFocusOrder.contains(window));
g.WindowsFocusOrder.push_back(window);
window->FocusOrder = (short)(g.WindowsFocusOrder.Size - 1);
}
else if (!just_created && child_flag_changed && new_is_explicit_child)
{
IM_ASSERT(g.WindowsFocusOrder[window->FocusOrder] == window);
for (int n = window->FocusOrder + 1; n < g.WindowsFocusOrder.Size; n++)
g.WindowsFocusOrder[n]->FocusOrder--;
g.WindowsFocusOrder.erase(g.WindowsFocusOrder.Data + window->FocusOrder);
window->FocusOrder = -1;
}
window->IsExplicitChild = new_is_explicit_child;
}
static void InitOrLoadWindowSettings(ImGuiWindow* window, ImGuiWindowSettings* settings)
{
// Initial window state with e.g. default/arbitrary window position
@ -7341,42 +7320,6 @@ static void SetWindowActiveForSkipRefresh(ImGuiWindow* window)
}
}
// When a modal popup is open, newly created windows that want focus (i.e. are not popups and do not specify ImGuiWindowFlags_NoFocusOnAppearing)
// should be positioned behind that modal window, unless the window was created inside the modal begin-stack.
// In case of multiple stacked modals newly created window honors begin stack order and does not go below its own modal parent.
// - WindowA // FindBlockingModal() returns Modal1
// - WindowB // .. returns Modal1
// - Modal1 // .. returns Modal2
// - WindowC // .. returns Modal2
// - WindowD // .. returns Modal2
// - Modal2 // .. returns Modal2
// - WindowE // .. returns NULL
// Notes:
// - FindBlockingModal(NULL) == NULL is generally equivalent to GetTopMostPopupModal() == NULL.
// Only difference is here we check for ->Active/WasActive but it may be unnecessary.
ImGuiWindow* ImGui::FindBlockingModal(ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
if (g.OpenPopupStack.Size <= 0)
return NULL;
// Find a modal that has common parent with specified window. Specified window should be positioned behind that modal.
for (ImGuiPopupData& popup_data : g.OpenPopupStack)
{
ImGuiWindow* popup_window = popup_data.Window;
if (popup_window == NULL || !(popup_window->Flags & ImGuiWindowFlags_Modal))
continue;
if (!popup_window->Active && !popup_window->WasActive) // Check WasActive, because this code may run before popup renders on current frame, also check Active to handle newly created windows.
continue;
if (window == NULL) // FindBlockingModal(NULL) test for if FocusWindow(NULL) is naturally possible via a mouse click.
return popup_window;
if (IsWindowWithinBeginStackOf(window, popup_window)) // Window may be over modal
continue;
return popup_window; // Place window right below first block modal
}
return NULL;
}
// Push a new Dear ImGui window to add widgets to.
// - A default window called "Debug" is automatically stacked at the beginning of every frame so you can use widgets without explicitly calling a Begin/End pair.
// - Begin/End can be called multiple times during the frame with the same window name to append content.
@ -8385,191 +8328,6 @@ void ImGui::End()
SetCurrentViewport(g.CurrentWindow, g.CurrentWindow->Viewport);
}
void ImGui::BringWindowToFocusFront(ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
IM_ASSERT(window == window->RootWindow);
const int cur_order = window->FocusOrder;
IM_ASSERT(g.WindowsFocusOrder[cur_order] == window);
if (g.WindowsFocusOrder.back() == window)
return;
const int new_order = g.WindowsFocusOrder.Size - 1;
for (int n = cur_order; n < new_order; n++)
{
g.WindowsFocusOrder[n] = g.WindowsFocusOrder[n + 1];
g.WindowsFocusOrder[n]->FocusOrder--;
IM_ASSERT(g.WindowsFocusOrder[n]->FocusOrder == n);
}
g.WindowsFocusOrder[new_order] = window;
window->FocusOrder = (short)new_order;
}
void ImGui::BringWindowToDisplayFront(ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* current_front_window = g.Windows.back();
if (current_front_window == window || current_front_window->RootWindowDockTree == window) // Cheap early out (could be better)
return;
for (int i = g.Windows.Size - 2; i >= 0; i--) // We can ignore the top-most window
if (g.Windows[i] == window)
{
memmove(&g.Windows[i], &g.Windows[i + 1], (size_t)(g.Windows.Size - i - 1) * sizeof(ImGuiWindow*));
g.Windows[g.Windows.Size - 1] = window;
break;
}
}
void ImGui::BringWindowToDisplayBack(ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
if (g.Windows[0] == window)
return;
for (int i = 0; i < g.Windows.Size; i++)
if (g.Windows[i] == window)
{
memmove(&g.Windows[1], &g.Windows[0], (size_t)i * sizeof(ImGuiWindow*));
g.Windows[0] = window;
break;
}
}
void ImGui::BringWindowToDisplayBehind(ImGuiWindow* window, ImGuiWindow* behind_window)
{
IM_ASSERT(window != NULL && behind_window != NULL);
ImGuiContext& g = *GImGui;
window = window->RootWindow;
behind_window = behind_window->RootWindow;
int pos_wnd = FindWindowDisplayIndex(window);
int pos_beh = FindWindowDisplayIndex(behind_window);
if (pos_wnd < pos_beh)
{
size_t copy_bytes = (pos_beh - pos_wnd - 1) * sizeof(ImGuiWindow*);
memmove(&g.Windows.Data[pos_wnd], &g.Windows.Data[pos_wnd + 1], copy_bytes);
g.Windows[pos_beh - 1] = window;
}
else
{
size_t copy_bytes = (pos_wnd - pos_beh) * sizeof(ImGuiWindow*);
memmove(&g.Windows.Data[pos_beh + 1], &g.Windows.Data[pos_beh], copy_bytes);
g.Windows[pos_beh] = window;
}
}
int ImGui::FindWindowDisplayIndex(ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
return g.Windows.index_from_ptr(g.Windows.find(window));
}
// Moving window to front of display and set focus (which happens to be back of our sorted list)
void ImGui::FocusWindow(ImGuiWindow* window, ImGuiFocusRequestFlags flags)
{
ImGuiContext& g = *GImGui;
// Modal check?
if ((flags & ImGuiFocusRequestFlags_UnlessBelowModal) && (g.NavWindow != window)) // Early out in common case.
if (ImGuiWindow* blocking_modal = FindBlockingModal(window))
{
// This block would typically be reached in two situations:
// - API call to FocusWindow() with a window under a modal and ImGuiFocusRequestFlags_UnlessBelowModal flag.
// - User clicking on void or anything behind a modal while a modal is open (window == NULL)
IMGUI_DEBUG_LOG_FOCUS("[focus] FocusWindow(\"%s\", UnlessBelowModal): prevented by \"%s\".\n", window ? window->Name : "<NULL>", blocking_modal->Name);
if (window && window == window->RootWindow && (window->Flags & ImGuiWindowFlags_NoBringToFrontOnFocus) == 0)
BringWindowToDisplayBehind(window, blocking_modal); // Still bring right under modal. (FIXME: Could move in focus list too?)
ClosePopupsOverWindow(GetTopMostPopupModal(), false); // Note how we need to use GetTopMostPopupModal() aad NOT blocking_modal, to handle nested modals
return;
}
// Find last focused child (if any) and focus it instead.
if ((flags & ImGuiFocusRequestFlags_RestoreFocusedChild) && window != NULL)
window = NavRestoreLastChildNavWindow(window);
// Apply focus
if (g.NavWindow != window)
{
SetNavWindow(window);
if (window && g.NavHighlightItemUnderNav)
g.NavMousePosDirty = true;
g.NavId = window ? window->NavLastIds[0] : 0; // Restore NavId
g.NavLayer = ImGuiNavLayer_Main;
SetNavFocusScope(window ? window->NavRootFocusScopeId : 0);
g.NavIdIsAlive = false;
g.NavLastValidSelectionUserData = ImGuiSelectionUserData_Invalid;
// Close popups if any
ClosePopupsOverWindow(window, false);
}
// Move the root window to the top of the pile
IM_ASSERT(window == NULL || window->RootWindowDockTree != NULL);
ImGuiWindow* focus_front_window = window ? window->RootWindow : NULL;
ImGuiWindow* display_front_window = window ? window->RootWindowDockTree : NULL;
ImGuiDockNode* dock_node = window ? window->DockNode : NULL;
bool active_id_window_is_dock_node_host = (g.ActiveIdWindow && dock_node && dock_node->HostWindow == g.ActiveIdWindow);
// Steal active widgets. Some of the cases it triggers includes:
// - Focus a window while an InputText in another window is active, if focus happens before the old InputText can run.
// - When using Nav to activate menu items (due to timing of activating on press->new window appears->losing ActiveId)
// - Using dock host items (tab, collapse button) can trigger this before we redirect the ActiveIdWindow toward the child window.
if (g.ActiveId != 0 && g.ActiveIdWindow && g.ActiveIdWindow->RootWindow != focus_front_window)
if (!g.ActiveIdNoClearOnFocusLoss && !active_id_window_is_dock_node_host)
ClearActiveID();
// Passing NULL allow to disable keyboard focus
if (!window)
return;
window->LastFrameJustFocused = g.FrameCount;
// Select in dock node
// For #2304 we avoid applying focus immediately before the tabbar is visible.
//if (dock_node && dock_node->TabBar)
// dock_node->TabBar->SelectedTabId = dock_node->TabBar->NextSelectedTabId = window->TabId;
// Bring to front
BringWindowToFocusFront(focus_front_window);
if (((window->Flags | focus_front_window->Flags | display_front_window->Flags) & ImGuiWindowFlags_NoBringToFrontOnFocus) == 0)
BringWindowToDisplayFront(display_front_window);
}
void ImGui::FocusTopMostWindowUnderOne(ImGuiWindow* under_this_window, ImGuiWindow* ignore_window, ImGuiViewport* filter_viewport, ImGuiFocusRequestFlags flags)
{
ImGuiContext& g = *GImGui;
int start_idx = g.WindowsFocusOrder.Size - 1;
if (under_this_window != NULL)
{
// Aim at root window behind us, if we are in a child window that's our own root (see #4640)
int offset = -1;
while (under_this_window->Flags & ImGuiWindowFlags_ChildWindow)
{
under_this_window = under_this_window->ParentWindow;
offset = 0;
}
start_idx = FindWindowFocusIndex(under_this_window) + offset;
}
for (int i = start_idx; i >= 0; i--)
{
// We may later decide to test for different NoXXXInputs based on the active navigation input (mouse vs nav) but that may feel more confusing to the user.
ImGuiWindow* window = g.WindowsFocusOrder[i];
if (window == ignore_window || !window->WasActive)
continue;
if (filter_viewport != NULL && window->Viewport != filter_viewport)
continue;
if ((window->Flags & (ImGuiWindowFlags_NoMouseInputs | ImGuiWindowFlags_NoNavInputs)) != (ImGuiWindowFlags_NoMouseInputs | ImGuiWindowFlags_NoNavInputs))
{
// FIXME-DOCK: When ImGuiFocusRequestFlags_RestoreFocusedChild is set...
// This is failing (lagging by one frame) for docked windows.
// If A and B are docked into window and B disappear, at the NewFrame() call site window->NavLastChildNavWindow will still point to B.
// We might leverage the tab order implicitly stored in window->DockNodeAsHost->TabBar (essentially the 'most_recently_selected_tab' code in tab bar will do that but on next update)
// to tell which is the "previous" window. Or we may leverage 'LastFrameFocused/LastFrameJustFocused' and have this function handle child window itself?
FocusWindow(window, flags);
return;
}
}
FocusWindow(NULL, flags);
}
// Important: this alone doesn't alter current ImDrawList state. This is called by PushFont/PopFont only.
void ImGui::SetCurrentFont(ImFont* font)
{
@ -8842,29 +8600,6 @@ bool ImGui::IsWindowHovered(ImGuiHoveredFlags flags)
return true;
}
bool ImGui::IsWindowFocused(ImGuiFocusedFlags flags)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* ref_window = g.NavWindow;
ImGuiWindow* cur_window = g.CurrentWindow;
if (ref_window == NULL)
return false;
if (flags & ImGuiFocusedFlags_AnyWindow)
return true;
IM_ASSERT(cur_window); // Not inside a Begin()/End()
const bool popup_hierarchy = (flags & ImGuiFocusedFlags_NoPopupHierarchy) == 0;
const bool dock_hierarchy = (flags & ImGuiFocusedFlags_DockHierarchy) != 0;
if (flags & ImGuiHoveredFlags_RootWindow)
cur_window = GetCombinedRootWindow(cur_window, popup_hierarchy, dock_hierarchy);
if (flags & ImGuiHoveredFlags_ChildWindows)
return IsWindowChildOf(ref_window, cur_window, popup_hierarchy, dock_hierarchy);
else
return (ref_window == cur_window);
}
ImGuiID ImGui::GetWindowDockID()
{
ImGuiContext& g = *GImGui;
@ -8877,14 +8612,6 @@ bool ImGui::IsWindowDocked()
return g.CurrentWindow->DockIsActive;
}
// Can we focus this window with CTRL+TAB (or PadMenu + PadFocusPrev/PadFocusNext)
// Note that NoNavFocus makes the window not reachable with CTRL+TAB but it can still be focused with mouse or programmatically.
// If you want a window to never be focused, you may use the e.g. NoInputs flag.
bool ImGui::IsWindowNavFocusable(ImGuiWindow* window)
{
return window->WasActive && window == window->RootWindow && !(window->Flags & ImGuiWindowFlags_NoNavFocus);
}
float ImGui::GetWindowWidth()
{
ImGuiWindow* window = GImGui->CurrentWindow;
@ -9033,24 +8760,6 @@ void ImGui::SetWindowCollapsed(const char* name, bool collapsed, ImGuiCond cond)
SetWindowCollapsed(window, collapsed, cond);
}
void ImGui::SetWindowFocus()
{
FocusWindow(GImGui->CurrentWindow);
}
void ImGui::SetWindowFocus(const char* name)
{
if (name)
{
if (ImGuiWindow* window = FindWindowByName(name))
FocusWindow(window);
}
else
{
FocusWindow(NULL);
}
}
void ImGui::SetNextWindowPos(const ImVec2& pos, ImGuiCond cond, const ImVec2& pivot)
{
ImGuiContext& g = *GImGui;
@ -9109,12 +8818,6 @@ void ImGui::SetNextWindowCollapsed(bool collapsed, ImGuiCond cond)
g.NextWindowData.CollapsedCond = cond ? cond : ImGuiCond_Always;
}
void ImGui::SetNextWindowFocus()
{
ImGuiContext& g = *GImGui;
g.NextWindowData.Flags |= ImGuiNextWindowDataFlags_HasFocus;
}
void ImGui::SetNextWindowBgAlpha(float alpha)
{
ImGuiContext& g = *GImGui;
@ -10957,7 +10660,6 @@ bool ImGui::Shortcut(ImGuiKeyChord key_chord, ImGuiInputFlags flags, ImGuiID own
return true;
}
//-----------------------------------------------------------------------------
// [SECTION] ERROR CHECKING, STATE RECOVERY
//-----------------------------------------------------------------------------
@ -12344,6 +12046,43 @@ ImGuiWindow* ImGui::GetTopMostAndVisiblePopupModal()
return NULL;
}
// When a modal popup is open, newly created windows that want focus (i.e. are not popups and do not specify ImGuiWindowFlags_NoFocusOnAppearing)
// should be positioned behind that modal window, unless the window was created inside the modal begin-stack.
// In case of multiple stacked modals newly created window honors begin stack order and does not go below its own modal parent.
// - WindowA // FindBlockingModal() returns Modal1
// - WindowB // .. returns Modal1
// - Modal1 // .. returns Modal2
// - WindowC // .. returns Modal2
// - WindowD // .. returns Modal2
// - Modal2 // .. returns Modal2
// - WindowE // .. returns NULL
// Notes:
// - FindBlockingModal(NULL) == NULL is generally equivalent to GetTopMostPopupModal() == NULL.
// Only difference is here we check for ->Active/WasActive but it may be unnecessary.
ImGuiWindow* ImGui::FindBlockingModal(ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
if (g.OpenPopupStack.Size <= 0)
return NULL;
// Find a modal that has common parent with specified window. Specified window should be positioned behind that modal.
for (ImGuiPopupData& popup_data : g.OpenPopupStack)
{
ImGuiWindow* popup_window = popup_data.Window;
if (popup_window == NULL || !(popup_window->Flags & ImGuiWindowFlags_Modal))
continue;
if (!popup_window->Active && !popup_window->WasActive) // Check WasActive, because this code may run before popup renders on current frame, also check Active to handle newly created windows.
continue;
if (window == NULL) // FindBlockingModal(NULL) test for if FocusWindow(NULL) is naturally possible via a mouse click.
return popup_window;
if (IsWindowWithinBeginStackOf(window, popup_window)) // Window may be over modal
continue;
return popup_window; // Place window right below first block modal
}
return NULL;
}
void ImGui::OpenPopup(const char* str_id, ImGuiPopupFlags popup_flags)
{
ImGuiContext& g = *GImGui;
@ -12858,6 +12597,289 @@ ImVec2 ImGui::FindBestWindowPosForPopup(ImGuiWindow* window)
return window->Pos;
}
//-----------------------------------------------------------------------------
// [SECTION] WINDOW FOCUS
//----------------------------------------------------------------------------
// - SetWindowFocus()
// - SetNextWindowFocus()
// - IsWindowFocused()
// - UpdateWindowInFocusOrderList() [Internal]
// - BringWindowToFocusFront() [Internal]
// - BringWindowToDisplayFront() [Internal]
// - BringWindowToDisplayBack() [Internal]
// - BringWindowToDisplayBehind() [Internal]
// - FindWindowDisplayIndex() [Internal]
// - FocusWindow() [Internal]
// - FocusTopMostWindowUnderOne() [Internal]
//-----------------------------------------------------------------------------
void ImGui::SetWindowFocus()
{
FocusWindow(GImGui->CurrentWindow);
}
void ImGui::SetWindowFocus(const char* name)
{
if (name)
{
if (ImGuiWindow* window = FindWindowByName(name))
FocusWindow(window);
}
else
{
FocusWindow(NULL);
}
}
void ImGui::SetNextWindowFocus()
{
ImGuiContext& g = *GImGui;
g.NextWindowData.Flags |= ImGuiNextWindowDataFlags_HasFocus;
}
// Similar to IsWindowHovered()
bool ImGui::IsWindowFocused(ImGuiFocusedFlags flags)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* ref_window = g.NavWindow;
ImGuiWindow* cur_window = g.CurrentWindow;
if (ref_window == NULL)
return false;
if (flags & ImGuiFocusedFlags_AnyWindow)
return true;
IM_ASSERT(cur_window); // Not inside a Begin()/End()
const bool popup_hierarchy = (flags & ImGuiFocusedFlags_NoPopupHierarchy) == 0;
const bool dock_hierarchy = (flags & ImGuiFocusedFlags_DockHierarchy) != 0;
if (flags & ImGuiHoveredFlags_RootWindow)
cur_window = GetCombinedRootWindow(cur_window, popup_hierarchy, dock_hierarchy);
if (flags & ImGuiHoveredFlags_ChildWindows)
return IsWindowChildOf(ref_window, cur_window, popup_hierarchy, dock_hierarchy);
else
return (ref_window == cur_window);
}
static int ImGui::FindWindowFocusIndex(ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
IM_UNUSED(g);
int order = window->FocusOrder;
IM_ASSERT(window->RootWindow == window); // No child window (not testing _ChildWindow because of docking)
IM_ASSERT(g.WindowsFocusOrder[order] == window);
return order;
}
static void ImGui::UpdateWindowInFocusOrderList(ImGuiWindow* window, bool just_created, ImGuiWindowFlags new_flags)
{
ImGuiContext& g = *GImGui;
const bool new_is_explicit_child = (new_flags & ImGuiWindowFlags_ChildWindow) != 0 && ((new_flags & ImGuiWindowFlags_Popup) == 0 || (new_flags & ImGuiWindowFlags_ChildMenu) != 0);
const bool child_flag_changed = new_is_explicit_child != window->IsExplicitChild;
if ((just_created || child_flag_changed) && !new_is_explicit_child)
{
IM_ASSERT(!g.WindowsFocusOrder.contains(window));
g.WindowsFocusOrder.push_back(window);
window->FocusOrder = (short)(g.WindowsFocusOrder.Size - 1);
}
else if (!just_created && child_flag_changed && new_is_explicit_child)
{
IM_ASSERT(g.WindowsFocusOrder[window->FocusOrder] == window);
for (int n = window->FocusOrder + 1; n < g.WindowsFocusOrder.Size; n++)
g.WindowsFocusOrder[n]->FocusOrder--;
g.WindowsFocusOrder.erase(g.WindowsFocusOrder.Data + window->FocusOrder);
window->FocusOrder = -1;
}
window->IsExplicitChild = new_is_explicit_child;
}
void ImGui::BringWindowToFocusFront(ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
IM_ASSERT(window == window->RootWindow);
const int cur_order = window->FocusOrder;
IM_ASSERT(g.WindowsFocusOrder[cur_order] == window);
if (g.WindowsFocusOrder.back() == window)
return;
const int new_order = g.WindowsFocusOrder.Size - 1;
for (int n = cur_order; n < new_order; n++)
{
g.WindowsFocusOrder[n] = g.WindowsFocusOrder[n + 1];
g.WindowsFocusOrder[n]->FocusOrder--;
IM_ASSERT(g.WindowsFocusOrder[n]->FocusOrder == n);
}
g.WindowsFocusOrder[new_order] = window;
window->FocusOrder = (short)new_order;
}
// Note technically focus related but rather adjacent and close to BringWindowToFocusFront()
void ImGui::BringWindowToDisplayFront(ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* current_front_window = g.Windows.back();
if (current_front_window == window || current_front_window->RootWindowDockTree == window) // Cheap early out (could be better)
return;
for (int i = g.Windows.Size - 2; i >= 0; i--) // We can ignore the top-most window
if (g.Windows[i] == window)
{
memmove(&g.Windows[i], &g.Windows[i + 1], (size_t)(g.Windows.Size - i - 1) * sizeof(ImGuiWindow*));
g.Windows[g.Windows.Size - 1] = window;
break;
}
}
void ImGui::BringWindowToDisplayBack(ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
if (g.Windows[0] == window)
return;
for (int i = 0; i < g.Windows.Size; i++)
if (g.Windows[i] == window)
{
memmove(&g.Windows[1], &g.Windows[0], (size_t)i * sizeof(ImGuiWindow*));
g.Windows[0] = window;
break;
}
}
void ImGui::BringWindowToDisplayBehind(ImGuiWindow* window, ImGuiWindow* behind_window)
{
IM_ASSERT(window != NULL && behind_window != NULL);
ImGuiContext& g = *GImGui;
window = window->RootWindow;
behind_window = behind_window->RootWindow;
int pos_wnd = FindWindowDisplayIndex(window);
int pos_beh = FindWindowDisplayIndex(behind_window);
if (pos_wnd < pos_beh)
{
size_t copy_bytes = (pos_beh - pos_wnd - 1) * sizeof(ImGuiWindow*);
memmove(&g.Windows.Data[pos_wnd], &g.Windows.Data[pos_wnd + 1], copy_bytes);
g.Windows[pos_beh - 1] = window;
}
else
{
size_t copy_bytes = (pos_wnd - pos_beh) * sizeof(ImGuiWindow*);
memmove(&g.Windows.Data[pos_beh + 1], &g.Windows.Data[pos_beh], copy_bytes);
g.Windows[pos_beh] = window;
}
}
int ImGui::FindWindowDisplayIndex(ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
return g.Windows.index_from_ptr(g.Windows.find(window));
}
// Moving window to front of display and set focus (which happens to be back of our sorted list)
void ImGui::FocusWindow(ImGuiWindow* window, ImGuiFocusRequestFlags flags)
{
ImGuiContext& g = *GImGui;
// Modal check?
if ((flags & ImGuiFocusRequestFlags_UnlessBelowModal) && (g.NavWindow != window)) // Early out in common case.
if (ImGuiWindow* blocking_modal = FindBlockingModal(window))
{
// This block would typically be reached in two situations:
// - API call to FocusWindow() with a window under a modal and ImGuiFocusRequestFlags_UnlessBelowModal flag.
// - User clicking on void or anything behind a modal while a modal is open (window == NULL)
IMGUI_DEBUG_LOG_FOCUS("[focus] FocusWindow(\"%s\", UnlessBelowModal): prevented by \"%s\".\n", window ? window->Name : "<NULL>", blocking_modal->Name);
if (window && window == window->RootWindow && (window->Flags & ImGuiWindowFlags_NoBringToFrontOnFocus) == 0)
BringWindowToDisplayBehind(window, blocking_modal); // Still bring right under modal. (FIXME: Could move in focus list too?)
ClosePopupsOverWindow(GetTopMostPopupModal(), false); // Note how we need to use GetTopMostPopupModal() aad NOT blocking_modal, to handle nested modals
return;
}
// Find last focused child (if any) and focus it instead.
if ((flags & ImGuiFocusRequestFlags_RestoreFocusedChild) && window != NULL)
window = NavRestoreLastChildNavWindow(window);
// Apply focus
if (g.NavWindow != window)
{
SetNavWindow(window);
if (window && g.NavHighlightItemUnderNav)
g.NavMousePosDirty = true;
g.NavId = window ? window->NavLastIds[0] : 0; // Restore NavId
g.NavLayer = ImGuiNavLayer_Main;
SetNavFocusScope(window ? window->NavRootFocusScopeId : 0);
g.NavIdIsAlive = false;
g.NavLastValidSelectionUserData = ImGuiSelectionUserData_Invalid;
// Close popups if any
ClosePopupsOverWindow(window, false);
}
// Move the root window to the top of the pile
IM_ASSERT(window == NULL || window->RootWindowDockTree != NULL);
ImGuiWindow* focus_front_window = window ? window->RootWindow : NULL;
ImGuiWindow* display_front_window = window ? window->RootWindowDockTree : NULL;
ImGuiDockNode* dock_node = window ? window->DockNode : NULL;
bool active_id_window_is_dock_node_host = (g.ActiveIdWindow && dock_node && dock_node->HostWindow == g.ActiveIdWindow);
// Steal active widgets. Some of the cases it triggers includes:
// - Focus a window while an InputText in another window is active, if focus happens before the old InputText can run.
// - When using Nav to activate menu items (due to timing of activating on press->new window appears->losing ActiveId)
// - Using dock host items (tab, collapse button) can trigger this before we redirect the ActiveIdWindow toward the child window.
if (g.ActiveId != 0 && g.ActiveIdWindow && g.ActiveIdWindow->RootWindow != focus_front_window)
if (!g.ActiveIdNoClearOnFocusLoss && !active_id_window_is_dock_node_host)
ClearActiveID();
// Passing NULL allow to disable keyboard focus
if (!window)
return;
window->LastFrameJustFocused = g.FrameCount;
// Select in dock node
// For #2304 we avoid applying focus immediately before the tabbar is visible.
//if (dock_node && dock_node->TabBar)
// dock_node->TabBar->SelectedTabId = dock_node->TabBar->NextSelectedTabId = window->TabId;
// Bring to front
BringWindowToFocusFront(focus_front_window);
if (((window->Flags | focus_front_window->Flags | display_front_window->Flags) & ImGuiWindowFlags_NoBringToFrontOnFocus) == 0)
BringWindowToDisplayFront(display_front_window);
}
void ImGui::FocusTopMostWindowUnderOne(ImGuiWindow* under_this_window, ImGuiWindow* ignore_window, ImGuiViewport* filter_viewport, ImGuiFocusRequestFlags flags)
{
ImGuiContext& g = *GImGui;
int start_idx = g.WindowsFocusOrder.Size - 1;
if (under_this_window != NULL)
{
// Aim at root window behind us, if we are in a child window that's our own root (see #4640)
int offset = -1;
while (under_this_window->Flags & ImGuiWindowFlags_ChildWindow)
{
under_this_window = under_this_window->ParentWindow;
offset = 0;
}
start_idx = FindWindowFocusIndex(under_this_window) + offset;
}
for (int i = start_idx; i >= 0; i--)
{
// We may later decide to test for different NoXXXInputs based on the active navigation input (mouse vs nav) but that may feel more confusing to the user.
ImGuiWindow* window = g.WindowsFocusOrder[i];
if (window == ignore_window || !window->WasActive)
continue;
if (filter_viewport != NULL && window->Viewport != filter_viewport)
continue;
if ((window->Flags & (ImGuiWindowFlags_NoMouseInputs | ImGuiWindowFlags_NoNavInputs)) != (ImGuiWindowFlags_NoMouseInputs | ImGuiWindowFlags_NoNavInputs))
{
// FIXME-DOCK: When ImGuiFocusRequestFlags_RestoreFocusedChild is set...
// This is failing (lagging by one frame) for docked windows.
// If A and B are docked into window and B disappear, at the NewFrame() call site window->NavLastChildNavWindow will still point to B.
// We might leverage the tab order implicitly stored in window->DockNodeAsHost->TabBar (essentially the 'most_recently_selected_tab' code in tab bar will do that but on next update)
// to tell which is the "previous" window. Or we may leverage 'LastFrameFocused/LastFrameJustFocused' and have this function handle child window itself?
FocusWindow(window, flags);
return;
}
}
FocusWindow(NULL, flags);
}
//-----------------------------------------------------------------------------
// [SECTION] KEYBOARD/GAMEPAD NAVIGATION
//-----------------------------------------------------------------------------
@ -14218,14 +14240,12 @@ static void ImGui::NavUpdateCreateWrappingRequest()
NavMoveRequestForward(g.NavMoveDir, clip_dir, move_flags, g.NavMoveScrollFlags);
}
static int ImGui::FindWindowFocusIndex(ImGuiWindow* window)
// Can we focus this window with CTRL+TAB (or PadMenu + PadFocusPrev/PadFocusNext)
// Note that NoNavFocus makes the window not reachable with CTRL+TAB but it can still be focused with mouse or programmatically.
// If you want a window to never be focused, you may use the e.g. NoInputs flag.
bool ImGui::IsWindowNavFocusable(ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
IM_UNUSED(g);
int order = window->FocusOrder;
IM_ASSERT(window->RootWindow == window); // No child window (not testing _ChildWindow because of docking)
IM_ASSERT(g.WindowsFocusOrder[order] == window);
return order;
return window->WasActive && window == window->RootWindow && !(window->Flags & ImGuiWindowFlags_NoNavFocus);
}
static ImGuiWindow* FindWindowNavFocusable(int i_start, int i_stop, int dir) // FIXME-OPT O(N)
@ -14515,7 +14535,6 @@ void ImGui::NavUpdateWindowingOverlay()
PopStyleVar();
}
//-----------------------------------------------------------------------------
// [SECTION] DRAG AND DROP
//-----------------------------------------------------------------------------
@ -15124,7 +15143,6 @@ void ImGui::LogButtons()
LogToClipboard();
}
//-----------------------------------------------------------------------------
// [SECTION] SETTINGS
//-----------------------------------------------------------------------------
@ -15515,7 +15533,6 @@ static void WindowSettingsHandler_WriteAll(ImGuiContext* ctx, ImGuiSettingsHandl
}
}
//-----------------------------------------------------------------------------
// [SECTION] LOCALIZATION
//-----------------------------------------------------------------------------
@ -15527,7 +15544,6 @@ void ImGui::LocalizeRegisterEntries(const ImGuiLocEntry* entries, int count)
g.LocalizationTable[entries[n].Key] = entries[n].Text;
}
//-----------------------------------------------------------------------------
// [SECTION] VIEWPORTS, PLATFORM WINDOWS
//-----------------------------------------------------------------------------

2
imgui_demo.cpp
View file

@ -7947,6 +7947,8 @@ void ImGui::ShowFontSelector(const char* label)
ImGui::PushID((void*)font);
if (ImGui::Selectable(font->GetDebugName(), font == font_current))
io.FontDefault = font;
if (font == font_current)
ImGui::SetItemDefaultFocus();
ImGui::PopID();
}
ImGui::EndCombo();

2
misc/freetype/imgui_freetype.cpp
View file

@ -169,7 +169,7 @@ namespace
const FT_Glyph_Metrics* LoadGlyph(uint32_t in_codepoint);
const FT_Bitmap* RenderGlyphAndGetInfo(GlyphInfo* out_glyph_info);
void BlitGlyph(const FT_Bitmap* ft_bitmap, uint32_t* dst, uint32_t dst_pitch, unsigned char* multiply_table = nullptr);
FreeTypeFont() { memset(this, 0, sizeof(*this)); }
FreeTypeFont() { memset((void*)this, 0, sizeof(*this)); }
~FreeTypeFont() { CloseFont(); }
// [Internals]