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Merge branch 'viewport' into docking

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# Conflicts:
#	imgui.cpp
This commit is contained in:
omar 2019-01-02 23:16:10 +01:00
commit b26f16a27f
2 changed files with 121 additions and 106 deletions
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218
imgui.cpp
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@ -1012,6 +1012,7 @@ static ImGuiWindow* NavRestoreLastChildNavWindow(ImGuiWindow* window);
static void UpdateMouseInputs(); static void UpdateMouseInputs();
static void UpdateMouseWheel(); static void UpdateMouseWheel();
static void UpdateManualResize(ImGuiWindow* window, const ImVec2& size_auto_fit, int* border_held, int resize_grip_count, ImU32 resize_grip_col[4]); static void UpdateManualResize(ImGuiWindow* window, const ImVec2& size_auto_fit, int* border_held, int resize_grip_count, ImU32 resize_grip_col[4]);
static void EndFrameDrawDimmedBackgrounds();
// Viewports // Viewports
const ImGuiID IMGUI_VIEWPORT_DEFAULT_ID = 0x11111111; // Using an arbitrary constant instead of e.g. ImHash("ViewportDefault", 0); so it's easier to spot in the debugger. The exact value doesn't matter. const ImGuiID IMGUI_VIEWPORT_DEFAULT_ID = 0x11111111; // Using an arbitrary constant instead of e.g. ImHash("ViewportDefault", 0); so it's easier to spot in the debugger. The exact value doesn't matter.
@ -3045,7 +3046,7 @@ void ImGui::StartMouseMovingWindow(ImGuiWindow* window)
// Handle mouse moving window // Handle mouse moving window
// Note: moving window with the navigation keys (Square + d-pad / CTRL+TAB + Arrows) are processed in NavUpdateWindowing() // Note: moving window with the navigation keys (Square + d-pad / CTRL+TAB + Arrows) are processed in NavUpdateWindowing()
void ImGui::UpdateMouseMovingWindow() void ImGui::UpdateMouseMovingWindowNewFrame()
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
if (g.MovingWindow != NULL) if (g.MovingWindow != NULL)
@ -3097,6 +3098,56 @@ void ImGui::UpdateMouseMovingWindow()
} }
} }
// Initiate moving window, handle left-click and right-click focus
void ImGui::UpdateMouseMovingWindowEndFrame()
{
// Initiate moving window
ImGuiContext& g = *GImGui;
if (g.ActiveId != 0 || g.HoveredId != 0)
return;
// Unless we just made a window/popup appear
if (g.NavWindow && g.NavWindow->Appearing)
return;
// Click to focus window and start moving (after we're done with all our widgets)
if (g.IO.MouseClicked[0])
{
if (g.HoveredRootWindow != NULL)
{
StartMouseMovingWindow(g.HoveredWindow);
if (g.IO.ConfigWindowsMoveFromTitleBarOnly && (!(g.HoveredRootWindow->Flags & ImGuiWindowFlags_NoTitleBar) || g.HoveredWindow->RootWindowDockStop->DockIsActive))
if (!g.HoveredRootWindow->TitleBarRect().Contains(g.IO.MouseClickedPos[0]))
g.MovingWindow = NULL;
}
else if (g.NavWindow != NULL && GetFrontMostPopupModal() == NULL)
{
FocusWindow(NULL); // Clicking on void disable focus
}
}
// With right mouse button we close popups without changing focus
// (The left mouse button path calls FocusWindow which will lead NewFrame->ClosePopupsOverWindow to trigger)
if (g.IO.MouseClicked[1])
{
// Find the top-most window between HoveredWindow and the front most Modal Window.
// This is where we can trim the popup stack.
ImGuiWindow* modal = GetFrontMostPopupModal();
bool hovered_window_above_modal = false;
if (modal == NULL)
hovered_window_above_modal = true;
for (int i = g.Windows.Size - 1; i >= 0 && hovered_window_above_modal == false; i--)
{
ImGuiWindow* window = g.Windows[i];
if (window == modal)
break;
if (window == g.HoveredWindow)
hovered_window_above_modal = true;
}
ClosePopupsOverWindow(hovered_window_above_modal ? g.HoveredWindow : modal);
}
}
static void TranslateWindow(ImGuiWindow* window, const ImVec2& delta) static void TranslateWindow(ImGuiWindow* window, const ImVec2& delta)
{ {
window->Pos += delta; window->Pos += delta;
@ -3461,7 +3512,8 @@ void ImGui::NewFrame()
UpdateHoveredWindowAndCaptureFlags(); UpdateHoveredWindowAndCaptureFlags();
// Handle user moving window with mouse (at the beginning of the frame to avoid input lag or sheering) // Handle user moving window with mouse (at the beginning of the frame to avoid input lag or sheering)
UpdateMouseMovingWindow(); UpdateMouseMovingWindowNewFrame();
UpdateHoveredWindowAndCaptureFlags();
// Background darkening/whitening // Background darkening/whitening
if (GetFrontMostPopupModal() != NULL || (g.NavWindowingTarget != NULL && g.NavWindowingHighlightAlpha > 0.0f)) if (GetFrontMostPopupModal() != NULL || (g.NavWindowingTarget != NULL && g.NavWindowingHighlightAlpha > 0.0f))
@ -3516,6 +3568,7 @@ void ImGui::NewFrame()
// This fallback is particularly important as it avoid ImGui:: calls from crashing. // This fallback is particularly important as it avoid ImGui:: calls from crashing.
SetNextWindowSize(ImVec2(400,400), ImGuiCond_FirstUseEver); SetNextWindowSize(ImVec2(400,400), ImGuiCond_FirstUseEver);
Begin("Debug##Default"); Begin("Debug##Default");
g.FrameScopePushedImplicitWindow = true;
#ifdef IMGUI_ENABLE_TEST_ENGINE #ifdef IMGUI_ENABLE_TEST_ENGINE
ImGuiTestEngineHook_PostNewFrame(); ImGuiTestEngineHook_PostNewFrame();
@ -3768,6 +3821,56 @@ static ImGuiWindow* FindFrontMostVisibleChildWindow(ImGuiWindow* window)
return window; return window;
} }
static void ImGui::EndFrameDrawDimmedBackgrounds()
{
ImGuiContext& g = *GImGui;
// Draw modal whitening background on _other_ viewports than the one the modal is one
ImGuiWindow* modal_window = GetFrontMostPopupModal();
const bool dim_bg_for_modal = (modal_window != NULL);
const bool dim_bg_for_window_list = (g.NavWindowingTargetAnim != NULL);
if (dim_bg_for_modal || dim_bg_for_window_list)
for (int viewport_n = 0; viewport_n < g.Viewports.Size; viewport_n++)
{
ImGuiViewportP* viewport = g.Viewports[viewport_n];
if (modal_window && viewport == modal_window->Viewport)
continue;
if (g.NavWindowingList && viewport == g.NavWindowingList->Viewport)
continue;
if (g.NavWindowingTargetAnim && viewport == g.NavWindowingTargetAnim->Viewport)
continue;
ImDrawList* draw_list = GetOverlayDrawList(viewport);
const ImU32 dim_bg_col = GetColorU32(dim_bg_for_modal ? ImGuiCol_ModalWindowDimBg : ImGuiCol_NavWindowingDimBg, g.DimBgRatio);
draw_list->AddRectFilled(viewport->Pos, viewport->Pos + viewport->Size, dim_bg_col);
}
// Draw modal whitening background between CTRL-TAB list
if (dim_bg_for_window_list)
{
// Choose a draw list that will be front-most across all our children
ImGuiWindow* window = g.NavWindowingTargetAnim;
ImDrawList* draw_list = FindFrontMostVisibleChildWindow(window->RootWindow)->DrawList;
draw_list->PushClipRectFullScreen();
// Docking: draw modal whitening background on other nodes of a same dock tree
if (window->RootWindowDockStop->DockIsActive)
if (window->RootWindow != window->RootWindowDockStop)
RenderRectFilledWithHole(draw_list, window->RootWindow->Rect(), window->RootWindowDockStop->Rect(), GetColorU32(ImGuiCol_NavWindowingDimBg, g.DimBgRatio), g.Style.WindowRounding);
// Draw navigation selection/windowing rectangle border
float rounding = ImMax(window->WindowRounding, g.Style.WindowRounding);
ImRect bb = window->Rect();
bb.Expand(g.FontSize);
if (bb.Contains(window->Viewport->GetRect())) // If a window fits the entire viewport, adjust its highlight inward
{
bb.Expand(-g.FontSize - 1.0f);
rounding = window->WindowRounding;
}
draw_list->AddRect(bb.Min, bb.Max, GetColorU32(ImGuiCol_NavWindowingHighlight, g.NavWindowingHighlightAlpha), rounding, ~0, 3.0f);
draw_list->PopClipRect();
}
}
// This is normally called by Render(). You may want to call it directly if you want to avoid calling Render() but the gain will be very minimal. // This is normally called by Render(). You may want to call it directly if you want to avoid calling Render() but the gain will be very minimal.
void ImGui::EndFrame() void ImGui::EndFrame()
{ {
@ -3777,9 +3880,6 @@ void ImGui::EndFrame()
return; return;
IM_ASSERT(g.FrameScopeActive && "Forgot to call ImGui::NewFrame()?"); IM_ASSERT(g.FrameScopeActive && "Forgot to call ImGui::NewFrame()?");
g.FrameScopeActive = false;
g.FrameCountEnded = g.FrameCount;
// Notify OS when our Input Method Editor cursor has moved (e.g. CJK inputs using Microsoft IME) // Notify OS when our Input Method Editor cursor has moved (e.g. CJK inputs using Microsoft IME)
if (g.PlatformIO.Platform_SetImeInputPos && ImLengthSqr(g.PlatformImePos - g.PlatformImeLastPos) > 0.0001f && g.PlatformImePosViewport && g.PlatformImePosViewport->PlatformWindowCreated) if (g.PlatformIO.Platform_SetImeInputPos && ImLengthSqr(g.PlatformImePos - g.PlatformImeLastPos) > 0.0001f && g.PlatformImePosViewport && g.PlatformImePosViewport->PlatformWindowCreated)
{ {
@ -3805,59 +3905,15 @@ void ImGui::EndFrame()
} }
// Hide implicit/fallback "Debug" window if it hasn't been used // Hide implicit/fallback "Debug" window if it hasn't been used
g.FrameScopePushedImplicitWindow = false;
if (g.CurrentWindow && !g.CurrentWindow->WriteAccessed) if (g.CurrentWindow && !g.CurrentWindow->WriteAccessed)
g.CurrentWindow->Active = false; g.CurrentWindow->Active = false;
End(); End();
// Docking // Draw modal whitening background on _other_ viewports than the one the modal is one
DockContextEndFrame(&g); EndFrameDrawDimmedBackgrounds();
// Draw modal whitening background on _other_ viewports than the one the modal or target are on // Show CTRL+TAB list window
ImGuiWindow* modal_window = GetFrontMostPopupModal();
const bool dim_bg_for_modal = (modal_window != NULL);
const bool dim_bg_for_window_list = (g.NavWindowingTargetAnim != NULL);
if (dim_bg_for_modal || dim_bg_for_window_list)
for (int viewport_n = 0; viewport_n < g.Viewports.Size; viewport_n++)
{
ImGuiViewportP* viewport = g.Viewports[viewport_n];
if (modal_window && viewport == modal_window->Viewport)
continue;
if (g.NavWindowingList && viewport == g.NavWindowingList->Viewport)
continue;
if (g.NavWindowingTargetAnim && viewport == g.NavWindowingTargetAnim->Viewport)
continue;
ImDrawList* draw_list = GetOverlayDrawList(viewport);
const ImU32 dim_bg_col = GetColorU32(dim_bg_for_modal ? ImGuiCol_ModalWindowDimBg : ImGuiCol_NavWindowingDimBg, g.DimBgRatio);
draw_list->AddRectFilled(viewport->Pos, viewport->Pos + viewport->Size, dim_bg_col);
}
// CTRL-TAB
if (dim_bg_for_window_list)
{
// Choose a draw list that will be front-most across all our children
ImGuiWindow* window = g.NavWindowingTargetAnim;
ImDrawList* draw_list = FindFrontMostVisibleChildWindow(window->RootWindow)->DrawList;
draw_list->PushClipRectFullScreen();
// Docking: draw modal whitening background on other nodes of a same dock tree
if (window->RootWindowDockStop->DockIsActive)
if (window->RootWindow != window->RootWindowDockStop)
RenderRectFilledWithHole(draw_list, window->RootWindow->Rect(), window->RootWindowDockStop->Rect(), GetColorU32(ImGuiCol_NavWindowingDimBg, g.DimBgRatio), g.Style.WindowRounding);
// Draw navigation selection/windowing rectangle border
float rounding = ImMax(window->WindowRounding, g.Style.WindowRounding);
ImRect bb = window->Rect();
bb.Expand(g.FontSize);
if (bb.Contains(window->Viewport->GetRect())) // If a window fits the entire viewport, adjust its highlight inward
{
bb.Expand(-g.FontSize - 1.0f);
rounding = window->WindowRounding;
}
draw_list->AddRect(bb.Min, bb.Max, GetColorU32(ImGuiCol_NavWindowingHighlight, g.NavWindowingHighlightAlpha), rounding, ~0, 3.0f);
draw_list->PopClipRect();
}
// Show CTRL+TAB list
if (g.NavWindowingTarget) if (g.NavWindowingTarget)
NavUpdateWindowingList(); NavUpdateWindowingList();
@ -3880,49 +3936,12 @@ void ImGui::EndFrame()
g.DragDropWithinSourceOrTarget = false; g.DragDropWithinSourceOrTarget = false;
} }
// Initiate moving window // End frame
if (g.ActiveId == 0 && g.HoveredId == 0) g.FrameScopeActive = false;
{ g.FrameCountEnded = g.FrameCount;
if (!g.NavWindow || !g.NavWindow->Appearing) // Unless we just made a window/popup appear
{
// Click to focus window and start moving (after we're done with all our widgets)
if (g.IO.MouseClicked[0])
{
if (g.HoveredRootWindow != NULL)
{
StartMouseMovingWindow(g.HoveredWindow);
if (g.IO.ConfigWindowsMoveFromTitleBarOnly && (!(g.HoveredRootWindow->Flags & ImGuiWindowFlags_NoTitleBar) || g.HoveredWindow->RootWindowDockStop->DockIsActive))
if (!g.HoveredRootWindow->TitleBarRect().Contains(g.IO.MouseClickedPos[0]))
g.MovingWindow = NULL;
}
else if (g.NavWindow != NULL && GetFrontMostPopupModal() == NULL)
{
FocusWindow(NULL); // Clicking on void disable focus
}
}
// With right mouse button we close popups without changing focus // Initiate moving window + handle left-click and right-click focus
// (The left mouse button path calls FocusWindow which will lead NewFrame->ClosePopupsOverWindow to trigger) UpdateMouseMovingWindowEndFrame();
if (g.IO.MouseClicked[1])
{
// Find the top-most window between HoveredWindow and the front most Modal Window.
// This is where we can trim the popup stack.
ImGuiWindow* modal = GetFrontMostPopupModal();
bool hovered_window_above_modal = false;
if (modal == NULL)
hovered_window_above_modal = true;
for (int i = g.Windows.Size - 1; i >= 0 && hovered_window_above_modal == false; i--)
{
ImGuiWindow* window = g.Windows[i];
if (window == modal)
break;
if (window == g.HoveredWindow)
hovered_window_above_modal = true;
}
ClosePopupsOverWindow(hovered_window_above_modal ? g.HoveredWindow : modal);
}
}
}
// Update user-facing viewport list (g.Viewports -> g.PlatformIO.Viewports after filtering out some) // Update user-facing viewport list (g.Viewports -> g.PlatformIO.Viewports after filtering out some)
UpdateViewportsEndFrame(); UpdateViewportsEndFrame();
@ -5800,11 +5819,12 @@ void ImGui::End()
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
if (g.CurrentWindowStack.Size <= 1 && g.FrameScopeActive) if (g.CurrentWindowStack.Size <= 1 && g.FrameScopePushedImplicitWindow)
{ {
IM_ASSERT(g.CurrentWindowStack.Size > 1 && "Calling End() too many times!"); IM_ASSERT(g.CurrentWindowStack.Size > 1 && "Calling End() too many times!");
return; // FIXME-ERRORHANDLING return; // FIXME-ERRORHANDLING
} }
IM_ASSERT(g.CurrentWindowStack.Size > 0);
ImGuiWindow* window = g.CurrentWindow; ImGuiWindow* window = g.CurrentWindow;
@ -10115,12 +10135,6 @@ void ImGui::DockContextNewFrameUpdateDocking(ImGuiContext* ctx)
DockNodeUpdate(node); DockNodeUpdate(node);
} }
// Docking context update function, called by EndFrame()
void ImGui::DockContextEndFrame(ImGuiContext* ctx)
{
(void)ctx;
}
static ImGuiDockNode* ImGui::DockContextFindNodeByID(ImGuiContext* ctx, ImGuiID id) static ImGuiDockNode* ImGui::DockContextFindNodeByID(ImGuiContext* ctx, ImGuiID id)
{ {
return (ImGuiDockNode*)ctx->DockContext->Nodes.GetVoidPtr(id); return (ImGuiDockNode*)ctx->DockContext->Nodes.GetVoidPtr(id);

9
imgui_internal.h
View File

@ -824,7 +824,8 @@ struct ImGuiDockNode
struct ImGuiContext struct ImGuiContext
{ {
bool Initialized; bool Initialized;
bool FrameScopeActive; // Set by NewFrame(), cleared by EndFrame()/Render() bool FrameScopeActive; // Set by NewFrame(), cleared by EndFrame()
bool FrameScopePushedImplicitWindow; // Set by NewFrame(), cleared by EndFrame()
bool FontAtlasOwnedByContext; // Io.Fonts-> is owned by the ImGuiContext and will be destructed along with it. bool FontAtlasOwnedByContext; // Io.Fonts-> is owned by the ImGuiContext and will be destructed along with it.
ImGuiIO IO; ImGuiIO IO;
ImGuiPlatformIO PlatformIO; ImGuiPlatformIO PlatformIO;
@ -1003,7 +1004,7 @@ struct ImGuiContext
ImGuiContext(ImFontAtlas* shared_font_atlas) ImGuiContext(ImFontAtlas* shared_font_atlas)
{ {
Initialized = false; Initialized = false;
FrameScopeActive = false; FrameScopeActive = FrameScopePushedImplicitWindow = false;
ConfigFlagsForFrame = ImGuiConfigFlags_None; ConfigFlagsForFrame = ImGuiConfigFlags_None;
Font = NULL; Font = NULL;
FontSize = FontBaseSize = 0.0f; FontSize = FontBaseSize = 0.0f;
@ -1432,7 +1433,8 @@ namespace ImGui
// NewFrame // NewFrame
IMGUI_API void UpdateHoveredWindowAndCaptureFlags(); IMGUI_API void UpdateHoveredWindowAndCaptureFlags();
IMGUI_API void StartMouseMovingWindow(ImGuiWindow* window); IMGUI_API void StartMouseMovingWindow(ImGuiWindow* window);
IMGUI_API void UpdateMouseMovingWindow(); IMGUI_API void UpdateMouseMovingWindowNewFrame();
IMGUI_API void UpdateMouseMovingWindowEndFrame();
// Viewports // Viewports
IMGUI_API void ScaleWindowsInViewport(ImGuiViewportP* viewport, float scale); IMGUI_API void ScaleWindowsInViewport(ImGuiViewportP* viewport, float scale);
@ -1511,7 +1513,6 @@ namespace ImGui
IMGUI_API void DockContextRebuild(ImGuiContext* ctx); IMGUI_API void DockContextRebuild(ImGuiContext* ctx);
IMGUI_API void DockContextNewFrameUpdateUndocking(ImGuiContext* ctx); IMGUI_API void DockContextNewFrameUpdateUndocking(ImGuiContext* ctx);
IMGUI_API void DockContextNewFrameUpdateDocking(ImGuiContext* ctx); IMGUI_API void DockContextNewFrameUpdateDocking(ImGuiContext* ctx);
IMGUI_API void DockContextEndFrame(ImGuiContext* ctx);
IMGUI_API void DockContextQueueUndockWindow(ImGuiContext* ctx, ImGuiWindow* window); IMGUI_API void DockContextQueueUndockWindow(ImGuiContext* ctx, ImGuiWindow* window);
IMGUI_API void DockContextQueueUndockNode(ImGuiContext* ctx, ImGuiDockNode* node); IMGUI_API void DockContextQueueUndockNode(ImGuiContext* ctx, ImGuiDockNode* node);
inline ImGuiDockNode* DockNodeGetRootNode(ImGuiDockNode* node) { while (node->ParentNode) node = node->ParentNode; return node; } inline ImGuiDockNode* DockNodeGetRootNode(ImGuiDockNode* node) { while (node->ParentNode) node = node->ParentNode; return node; }