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Added GetCurrentWindowRead() for functions that don't write to the window

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This commit is contained in:
ocornut 2015-08-30 11:56:04 +01:00
parent b994dd777a
commit b326c8fd1f
2 changed files with 40 additions and 47 deletions
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84
imgui.cpp
View File

@ -1533,14 +1533,6 @@ ImGuiID ImGuiWindow::GetID(const void* ptr)
// Internal API exposed in imgui_internal.h
//-----------------------------------------------------------------------------
ImGuiWindow* ImGui::GetCurrentWindow()
{
// If this ever crash it probably means that ImGui::NewFrame() has never been called (which is illegal). We should always have a CurrentWindow in the stack (there is an implicit "Debug" window)
ImGuiState& g = *GImGui;
g.CurrentWindow->Accessed = true;
return g.CurrentWindow;
}
static void SetCurrentWindow(ImGuiWindow* window)
{
ImGuiState& g = *GImGui;
@ -1638,7 +1630,7 @@ bool ImGui::ItemAdd(const ImRect& bb, const ImGuiID* id)
bool ImGui::IsClippedEx(const ImRect& bb, const ImGuiID* id, bool clip_even_when_logged)
{
ImGuiState& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
if (!bb.Overlaps(window->ClipRect))
{
@ -1654,7 +1646,7 @@ bool ImGui::IsHovered(const ImRect& bb, ImGuiID id, bool flatten_childs)
ImGuiState& g = *GImGui;
if (g.HoveredId == 0 || g.HoveredId == id)
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
if (g.HoveredWindow == window || (flatten_childs && g.HoveredRootWindow == window->RootWindow))
if ((g.ActiveId == 0 || g.ActiveId == id || g.ActiveIdIsFocusedOnly) && ImGui::IsMouseHoveringRect(bb.Min, bb.Max))
if (IsWindowContentHoverable(g.HoveredRootWindow))
@ -1714,7 +1706,7 @@ float ImGui::CalcWrapWidthForPos(const ImVec2& pos, float wrap_pos_x)
if (wrap_pos_x < 0.0f)
return 0.0f;
ImGuiWindow* window = ImGui::GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
if (wrap_pos_x == 0.0f)
wrap_pos_x = ImGui::GetContentRegionMax().x;
if (wrap_pos_x > 0.0f)
@ -2428,7 +2420,7 @@ void ImGui::LogText(const char* fmt, ...)
static void LogRenderedText(const ImVec2& ref_pos, const char* text, const char* text_end)
{
ImGuiState& g = *GImGui;
ImGuiWindow* window = ImGui::GetCurrentWindow();
ImGuiWindow* window = ImGui::GetCurrentWindowRead();
if (!text_end)
text_end = FindTextDisplayEnd(text, text_end);
@ -2666,7 +2658,7 @@ ImVec2 ImGui::CalcTextSize(const char* text, const char* text_end, bool hide_tex
void ImGui::CalcListClipping(int items_count, float items_height, int* out_items_display_start, int* out_items_display_end)
{
ImGuiState& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
if (g.LogEnabled)
{
// If logging is active, do not perform any clipping
@ -2712,7 +2704,7 @@ static ImGuiWindow* FindHoveredWindow(ImVec2 pos, bool excluding_childs)
bool ImGui::IsMouseHoveringRect(const ImVec2& pos_min, const ImVec2& pos_max)
{
ImGuiState& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
// Clip
ImRect rect_clipped(pos_min, pos_max);
@ -2726,8 +2718,7 @@ bool ImGui::IsMouseHoveringRect(const ImVec2& pos_min, const ImVec2& pos_max)
bool ImGui::IsMouseHoveringWindow()
{
ImGuiState& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
return g.HoveredWindow == window;
return g.HoveredWindow == g.CurrentWindow;
}
bool ImGui::IsMouseHoveringAnyWindow()
@ -2894,13 +2885,13 @@ void ImGui::CaptureMouseFromApp()
bool ImGui::IsItemHovered()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->DC.LastItemHoveredAndUsable;
}
bool ImGui::IsItemHoveredRect()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->DC.LastItemHoveredRect;
}
@ -2909,7 +2900,7 @@ bool ImGui::IsItemActive()
ImGuiState& g = *GImGui;
if (g.ActiveId)
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return g.ActiveId == window->DC.LastItemID;
}
return false;
@ -2927,32 +2918,32 @@ bool ImGui::IsAnyItemActive()
bool ImGui::IsItemVisible()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
ImRect r(window->ClipRect);
return r.Overlaps(window->DC.LastItemRect);
}
ImVec2 ImGui::GetItemRectMin()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->DC.LastItemRect.Min;
}
ImVec2 ImGui::GetItemRectMax()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->DC.LastItemRect.Max;
}
ImVec2 ImGui::GetItemRectSize()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->DC.LastItemRect.GetSize();
}
ImVec2 ImGui::CalcItemRectClosestPoint(const ImVec2& pos, bool on_edge, float outward)
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
ImRect rect = window->DC.LastItemRect;
rect.Expand(outward);
return rect.GetClosestPoint(pos, on_edge);
@ -2990,7 +2981,7 @@ void ImGui::BeginTooltip()
void ImGui::EndTooltip()
{
IM_ASSERT(GetCurrentWindow()->Flags & ImGuiWindowFlags_Tooltip);
IM_ASSERT(GetCurrentWindowRead()->Flags & ImGuiWindowFlags_Tooltip);
ImGui::End();
}
@ -4103,7 +4094,7 @@ void ImGui::PopItemWidth()
float ImGui::CalcItemWidth()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
float w = window->DC.ItemWidth;
if (w < 0.0f)
{
@ -4414,7 +4405,7 @@ void ImGui::SetWindowPos(const char* name, const ImVec2& pos, ImGuiSetCond cond)
ImVec2 ImGui::GetWindowSize()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->Size;
}
@ -4544,7 +4535,7 @@ void ImGui::SetNextWindowFocus()
// In window space (not screen space!)
ImVec2 ImGui::GetContentRegionMax()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
ImVec2 mx = window->Size - window->WindowPadding;
if (window->DC.ColumnsCount != 1)
mx.x = ImGui::GetColumnOffset(window->DC.ColumnsCurrent + 1) - window->WindowPadding.x;
@ -4555,20 +4546,20 @@ ImVec2 ImGui::GetContentRegionMax()
ImVec2 ImGui::GetContentRegionAvail()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return GetContentRegionMax() - (window->DC.CursorPos - window->Pos);
}
// In window space (not screen space!)
ImVec2 ImGui::GetWindowContentRegionMin()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return ImVec2(0, window->TitleBarHeight() + window->MenuBarHeight()) + window->WindowPadding;
}
ImVec2 ImGui::GetWindowContentRegionMax()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
ImVec2 m = window->Size - window->WindowPadding;
m.x -= window->ScrollbarWidth();
return m;
@ -4622,7 +4613,7 @@ void ImGui::SetWindowFontScale(float scale)
// Conversion happens as we pass the value to user, but it makes our naming convention confusing because GetCursorPos() == (DC.CursorPos - window.Pos). May want to rename 'DC.CursorPos'.
ImVec2 ImGui::GetCursorPos()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->DC.CursorPos - window->Pos;
}
@ -4659,13 +4650,13 @@ void ImGui::SetCursorPosY(float y)
ImVec2 ImGui::GetCursorStartPos()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->DC.CursorStartPos - window->Pos;
}
ImVec2 ImGui::GetCursorScreenPos()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->DC.CursorPos;
}
@ -4677,13 +4668,13 @@ void ImGui::SetCursorScreenPos(const ImVec2& screen_pos)
float ImGui::GetScrollY()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->ScrollY;
}
float ImGui::GetScrollMaxY()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->SizeContents.y - window->SizeFull.y;
}
@ -4728,7 +4719,7 @@ void ImGui::SetStateStorage(ImGuiStorage* tree)
ImGuiStorage* ImGui::GetStateStorage()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->DC.StateStorage;
}
@ -5197,9 +5188,9 @@ bool ImGui::ImageButton(ImTextureID user_texture_id, const ImVec2& size, const I
void ImGui::LogToTTY(int max_depth)
{
ImGuiState& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
if (g.LogEnabled)
return;
ImGuiWindow* window = GetCurrentWindowRead();
g.LogEnabled = true;
g.LogFile = stdout;
@ -5212,9 +5203,10 @@ void ImGui::LogToTTY(int max_depth)
void ImGui::LogToFile(int max_depth, const char* filename)
{
ImGuiState& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
if (g.LogEnabled)
return;
ImGuiWindow* window = GetCurrentWindowRead();
if (!filename)
{
filename = g.IO.LogFilename;
@ -5237,10 +5229,10 @@ void ImGui::LogToFile(int max_depth, const char* filename)
// Start logging ImGui output to clipboard
void ImGui::LogToClipboard(int max_depth)
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiState& g = *GImGui;
if (g.LogEnabled)
return;
ImGuiWindow* window = GetCurrentWindowRead();
g.LogEnabled = true;
g.LogFile = NULL;
@ -8370,7 +8362,7 @@ void ImGui::Dummy(const ImVec2& size)
bool ImGui::IsRectVisible(const ImVec2& size)
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->ClipRect.Overlaps(ImRect(window->DC.CursorPos, window->DC.CursorPos + size));
}
@ -8493,13 +8485,13 @@ void ImGui::NextColumn()
int ImGui::GetColumnIndex()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->DC.ColumnsCurrent;
}
int ImGui::GetColumnsCount()
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
return window->DC.ColumnsCount;
}
@ -8508,7 +8500,7 @@ static float GetDraggedColumnOffset(int column_index)
// Active (dragged) column always follow mouse. The reason we need this is that dragging a column to the right edge of an auto-resizing
// window creates a feedback loop because we store normalized positions/ So while dragging we enforce absolute positioning
ImGuiState& g = *GImGui;
ImGuiWindow* window = ImGui::GetCurrentWindow();
ImGuiWindow* window = ImGui::GetCurrentWindowRead();
IM_ASSERT(column_index > 0); // We cannot drag column 0. If you get this assert you may have a conflict between the ID of your columns and another widgets.
IM_ASSERT(g.ActiveId == window->DC.ColumnsSetID + ImGuiID(column_index));
@ -8521,7 +8513,7 @@ static float GetDraggedColumnOffset(int column_index)
float ImGui::GetColumnOffset(int column_index)
{
ImGuiState& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
if (column_index < 0)
column_index = window->DC.ColumnsCurrent;
@ -8561,7 +8553,7 @@ void ImGui::SetColumnOffset(int column_index, float offset)
float ImGui::GetColumnWidth(int column_index)
{
ImGuiWindow* window = GetCurrentWindow();
ImGuiWindow* window = GetCurrentWindowRead();
if (column_index < 0)
column_index = window->DC.ColumnsCurrent;

3
imgui_internal.h
View File

@ -626,7 +626,8 @@ public:
namespace ImGui
{
IMGUI_API ImGuiWindow* GetCurrentWindow();
inline ImGuiWindow* GetCurrentWindowRead() { ImGuiState& g = *GImGui; return g.CurrentWindow; } // If this ever crash it means that ImGui::NewFrame() has never been called (which is illegal). We should always have a CurrentWindow in the stack (there is an implicit "Debug" window)
inline ImGuiWindow* GetCurrentWindow() { ImGuiState& g = *GImGui; g.CurrentWindow->Accessed = true; return g.CurrentWindow; }
IMGUI_API ImGuiWindow* GetParentWindow();
IMGUI_API void FocusWindow(ImGuiWindow* window);