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Internals: Extracted StartMouseMovingWindow so we can add code to turn an arbitrary widget into a window mover (will be useful to make the Collapse button a window mover past a mouse drag threshold) + added a couple of _None flags.

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This commit is contained in:
omar
2018-07-10 11:05:14 +02:00
parent dc021f1c23
commit 4dfb9ef751
2 changed files with 25 additions and 16 deletions
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33
imgui.cpp
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@ -3590,7 +3590,21 @@ static void ImGui::NavUpdate()
#endif
}
void ImGui::UpdateMovingWindow()
void ImGui::StartMouseMovingWindow(ImGuiWindow* window)
{
// Set ActiveId even if the _NoMove flag is set. Without it, dragging away from a window with _NoMove would activate hover on other windows.
ImGuiContext& g = *GImGui;
FocusWindow(window);
SetActiveID(window->MoveId, window);
g.NavDisableHighlight = true;
g.ActiveIdClickOffset = g.IO.MousePos - window->RootWindow->Pos;
if (!(window->Flags & ImGuiWindowFlags_NoMove) && !(window->RootWindow->Flags & ImGuiWindowFlags_NoMove))
g.MovingWindow = 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()
{
ImGuiContext& g = *GImGui;
if (g.MovingWindow != NULL)
@ -3858,7 +3872,7 @@ 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)
UpdateMovingWindow();
UpdateMouseMovingWindow();
UpdateHoveredWindowAndCaptureFlags();
// Background darkening/whitening
@ -4391,20 +4405,9 @@ void ImGui::EndFrame()
if (g.IO.MouseClicked[0])
{
if (g.HoveredRootWindow != NULL)
{
// Set ActiveId even if the _NoMove flag is set, without it dragging away from a window with _NoMove would activate hover on other windows.
FocusWindow(g.HoveredWindow);
SetActiveID(g.HoveredWindow->MoveId, g.HoveredWindow);
g.NavDisableHighlight = true;
g.ActiveIdClickOffset = g.IO.MousePos - g.HoveredRootWindow->Pos;
if (!(g.HoveredWindow->Flags & ImGuiWindowFlags_NoMove) && !(g.HoveredRootWindow->Flags & ImGuiWindowFlags_NoMove))
g.MovingWindow = g.HoveredWindow;
}
StartMouseMovingWindow(g.HoveredWindow);
else if (g.NavWindow != NULL && GetFrontMostPopupModal() == NULL)
{
// Clicking on void disable focus
FocusWindow(NULL);
}
FocusWindow(NULL); // Clicking on void disable focus
}
// With right mouse button we close popups without changing focus