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Internals: Extracted code out of EndFrame() into UpdateMouseMovingWindowEndFrame()

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This commit is contained in:
omar 2019-01-02 23:05:59 +01:00
parent b3469fa94b
commit 237109caa5
2 changed files with 56 additions and 46 deletions
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99
imgui.cpp
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@ -2969,7 +2969,7 @@ void ImGui::StartMouseMovingWindow(ImGuiWindow* window)
// Handle mouse moving window
// 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;
if (g.MovingWindow != NULL)
@ -3007,6 +3007,56 @@ 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))
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 bool IsWindowActiveAndVisible(ImGuiWindow* window)
{
return (window->Active) && (!window->Hidden);
@ -3298,7 +3348,7 @@ void ImGui::NewFrame()
g.IO.Framerate = (g.FramerateSecPerFrameAccum > 0.0f) ? (1.0f / (g.FramerateSecPerFrameAccum / (float)IM_ARRAYSIZE(g.FramerateSecPerFrame))) : FLT_MAX;
// Handle user moving window with mouse (at the beginning of the frame to avoid input lag or sheering)
UpdateMouseMovingWindow();
UpdateMouseMovingWindowNewFrame();
UpdateHoveredWindowAndCaptureFlags();
// Background darkening/whitening
@ -3635,49 +3685,8 @@ void ImGui::EndFrame()
g.FrameScopeActive = false;
g.FrameCountEnded = g.FrameCount;
// Initiate moving window
if (g.ActiveId == 0 && g.HoveredId == 0)
{
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))
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);
}
}
}
// Initiate moving window + handle left-click and right-click focus
UpdateMouseMovingWindowEndFrame();
// Sort the window list so that all child windows are after their parent
// We cannot do that on FocusWindow() because childs may not exist yet

3
imgui_internal.h
View File

@ -1261,7 +1261,8 @@ namespace ImGui
// NewFrame
IMGUI_API void UpdateHoveredWindowAndCaptureFlags();
IMGUI_API void StartMouseMovingWindow(ImGuiWindow* window);
IMGUI_API void UpdateMouseMovingWindow();
IMGUI_API void UpdateMouseMovingWindowNewFrame();
IMGUI_API void UpdateMouseMovingWindowEndFrame();
// Settings
IMGUI_API void MarkIniSettingsDirty();