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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
View File

@ -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

8
imgui_internal.h
View File

@ -210,6 +210,7 @@ static inline ImVec2 ImMul(const ImVec2& lhs, const ImVec2& rhs)
enum ImGuiButtonFlags_
{
ImGuiButtonFlags_None = 0,
ImGuiButtonFlags_Repeat = 1 << 0, // hold to repeat
ImGuiButtonFlags_PressedOnClickRelease = 1 << 1, // return true on click + release on same item [DEFAULT if no PressedOn* flag is set]
ImGuiButtonFlags_PressedOnClick = 1 << 2, // return true on click (default requires click+release)
@ -228,12 +229,14 @@ enum ImGuiButtonFlags_
enum ImGuiSliderFlags_
{
ImGuiSliderFlags_None = 0,
ImGuiSliderFlags_Vertical = 1 << 0
};
enum ImGuiColumnsFlags_
{
// Default: 0
ImGuiColumnsFlags_None = 0,
ImGuiColumnsFlags_NoBorder = 1 << 0, // Disable column dividers
ImGuiColumnsFlags_NoResize = 1 << 1, // Disable resizing columns when clicking on the dividers
ImGuiColumnsFlags_NoPreserveWidths = 1 << 2, // Disable column width preservation when adjusting columns
@ -253,6 +256,7 @@ enum ImGuiSelectableFlagsPrivate_
enum ImGuiSeparatorFlags_
{
ImGuiSeparatorFlags_None = 0,
ImGuiSeparatorFlags_Horizontal = 1 << 0, // Axis default to current layout type, so generally Horizontal unless e.g. in a menu bar
ImGuiSeparatorFlags_Vertical = 1 << 1
};
@ -260,6 +264,7 @@ enum ImGuiSeparatorFlags_
// Storage for LastItem data
enum ImGuiItemStatusFlags_
{
ImGuiItemStatusFlags_None = 0,
ImGuiItemStatusFlags_HoveredRect = 1 << 0,
ImGuiItemStatusFlags_HasDisplayRect = 1 << 1
};
@ -1080,7 +1085,8 @@ namespace ImGui
IMGUI_API void Shutdown(ImGuiContext* context); // Since 1.60 this is a _private_ function. You can call DestroyContext() to destroy the context created by CreateContext().
IMGUI_API void UpdateHoveredWindowAndCaptureFlags();
IMGUI_API void UpdateMovingWindow();
IMGUI_API void StartMouseMovingWindow(ImGuiWindow* window);
IMGUI_API void UpdateMouseMovingWindow();
IMGUI_API void MarkIniSettingsDirty();
IMGUI_API void MarkIniSettingsDirty(ImGuiWindow* window);