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Internals: Begin tries to setup WindowTemp/DC members in same order as their declaration. Readme: remove Coverity banner (PVS is better)

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omar 2020-01-13 15:36:24 +01:00
parent 02c2d18aa3
commit e2eb0b4bc4
4 changed files with 20 additions and 16 deletions
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1
docs/README.md
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@ -1,7 +1,6 @@
dear imgui dear imgui
===== =====
[![Build Status](https://github.com/ocornut/imgui/workflows/build/badge.svg)](https://github.com/ocornut/imgui/actions?workflow=build) [![Build Status](https://github.com/ocornut/imgui/workflows/build/badge.svg)](https://github.com/ocornut/imgui/actions?workflow=build)
[![Coverity Status](https://scan.coverity.com/projects/4720/badge.svg)](https://scan.coverity.com/projects/4720)
<sub>(This library is available under a free and permissive license, but needs financial support to sustain its continued improvements. In addition to maintenance and stability there are many desirable features yet to be added. If your company is using dear imgui, please consider reaching out.)</sub> <sub>(This library is available under a free and permissive license, but needs financial support to sustain its continued improvements. In addition to maintenance and stability there are many desirable features yet to be added. If your company is using dear imgui, please consider reaching out.)</sub>

23
imgui.cpp
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@ -5533,8 +5533,6 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
window->WindowPadding = style.WindowPadding; window->WindowPadding = style.WindowPadding;
if ((flags & ImGuiWindowFlags_ChildWindow) && !(flags & (ImGuiWindowFlags_AlwaysUseWindowPadding | ImGuiWindowFlags_Popup)) && window->WindowBorderSize == 0.0f) if ((flags & ImGuiWindowFlags_ChildWindow) && !(flags & (ImGuiWindowFlags_AlwaysUseWindowPadding | ImGuiWindowFlags_Popup)) && window->WindowBorderSize == 0.0f)
window->WindowPadding = ImVec2(0.0f, (flags & ImGuiWindowFlags_MenuBar) ? style.WindowPadding.y : 0.0f); window->WindowPadding = ImVec2(0.0f, (flags & ImGuiWindowFlags_MenuBar) ? style.WindowPadding.y : 0.0f);
window->DC.MenuBarOffset.x = ImMax(ImMax(window->WindowPadding.x, style.ItemSpacing.x), g.NextWindowData.MenuBarOffsetMinVal.x);
window->DC.MenuBarOffset.y = g.NextWindowData.MenuBarOffsetMinVal.y;
// Collapse window by double-clicking on title bar // Collapse window by double-clicking on title bar
// At this point we don't have a clipping rectangle setup yet, so we can use the title bar area for hit detection and drawing // At this point we don't have a clipping rectangle setup yet, so we can use the title bar area for hit detection and drawing
@ -5842,27 +5840,34 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
window->DC.CursorMaxPos = window->DC.CursorStartPos; window->DC.CursorMaxPos = window->DC.CursorStartPos;
window->DC.CurrLineSize = window->DC.PrevLineSize = ImVec2(0.0f, 0.0f); window->DC.CurrLineSize = window->DC.PrevLineSize = ImVec2(0.0f, 0.0f);
window->DC.CurrLineTextBaseOffset = window->DC.PrevLineTextBaseOffset = 0.0f; window->DC.CurrLineTextBaseOffset = window->DC.PrevLineTextBaseOffset = 0.0f;
window->DC.NavHideHighlightOneFrame = false;
window->DC.NavHasScroll = (window->ScrollMax.y > 0.0f); window->DC.NavLayerCurrent = ImGuiNavLayer_Main;
window->DC.NavLayerCurrentMask = (1 << ImGuiNavLayer_Main);
window->DC.NavLayerActiveMask = window->DC.NavLayerActiveMaskNext; window->DC.NavLayerActiveMask = window->DC.NavLayerActiveMaskNext;
window->DC.NavLayerActiveMaskNext = 0x00; window->DC.NavLayerActiveMaskNext = 0x00;
window->DC.NavHideHighlightOneFrame = false;
window->DC.NavHasScroll = (window->ScrollMax.y > 0.0f);
window->DC.MenuBarAppending = false; window->DC.MenuBarAppending = false;
window->DC.MenuBarOffset.x = ImMax(ImMax(window->WindowPadding.x, style.ItemSpacing.x), g.NextWindowData.MenuBarOffsetMinVal.x);
window->DC.MenuBarOffset.y = g.NextWindowData.MenuBarOffsetMinVal.y;
window->DC.MenuColumns.Update(3, style.ItemSpacing.x, window_just_activated_by_user);
window->DC.TreeDepth = 0;
window->DC.TreeJumpToParentOnPopMask = 0x00;
window->DC.ChildWindows.resize(0); window->DC.ChildWindows.resize(0);
window->DC.StateStorage = &window->StateStorage;
window->DC.CurrentColumns = NULL;
window->DC.LayoutType = ImGuiLayoutType_Vertical; window->DC.LayoutType = ImGuiLayoutType_Vertical;
window->DC.ParentLayoutType = parent_window ? parent_window->DC.LayoutType : ImGuiLayoutType_Vertical; window->DC.ParentLayoutType = parent_window ? parent_window->DC.LayoutType : ImGuiLayoutType_Vertical;
window->DC.FocusCounterRegular = window->DC.FocusCounterTabStop = -1; window->DC.FocusCounterRegular = window->DC.FocusCounterTabStop = -1;
window->DC.ItemFlags = parent_window ? parent_window->DC.ItemFlags : ImGuiItemFlags_Default_; window->DC.ItemFlags = parent_window ? parent_window->DC.ItemFlags : ImGuiItemFlags_Default_;
window->DC.ItemWidth = window->ItemWidthDefault; window->DC.ItemWidth = window->ItemWidthDefault;
window->DC.TextWrapPos = -1.0f; // disabled window->DC.TextWrapPos = -1.0f; // disabled
window->DC.ItemFlagsStack.resize(0); window->DC.ItemFlagsStack.resize(0);
window->DC.ItemWidthStack.resize(0); window->DC.ItemWidthStack.resize(0);
window->DC.TextWrapPosStack.resize(0); window->DC.TextWrapPosStack.resize(0);
window->DC.CurrentColumns = NULL;
window->DC.TreeDepth = 0;
window->DC.TreeJumpToParentOnPopMask = 0x00;
window->DC.StateStorage = &window->StateStorage;
window->DC.GroupStack.resize(0); window->DC.GroupStack.resize(0);
window->MenuColumns.Update(3, style.ItemSpacing.x, window_just_activated_by_user);
if ((flags & ImGuiWindowFlags_ChildWindow) && (window->DC.ItemFlags != parent_window->DC.ItemFlags)) if ((flags & ImGuiWindowFlags_ChildWindow) && (window->DC.ItemFlags != parent_window->DC.ItemFlags))
{ {

2
imgui_internal.h
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@ -1340,6 +1340,7 @@ struct IMGUI_API ImGuiWindowTempData
// Miscellaneous // Miscellaneous
bool MenuBarAppending; // FIXME: Remove this bool MenuBarAppending; // FIXME: Remove this
ImVec2 MenuBarOffset; // MenuBarOffset.x is sort of equivalent of a per-layer CursorPos.x, saved/restored as we switch to the menu bar. The only situation when MenuBarOffset.y is > 0 if when (SafeAreaPadding.y > FramePadding.y), often used on TVs. ImVec2 MenuBarOffset; // MenuBarOffset.x is sort of equivalent of a per-layer CursorPos.x, saved/restored as we switch to the menu bar. The only situation when MenuBarOffset.y is > 0 if when (SafeAreaPadding.y > FramePadding.y), often used on TVs.
ImGuiMenuColumns MenuColumns; // Simplified columns storage for menu items measurement
int TreeDepth; // Current tree depth. int TreeDepth; // Current tree depth.
ImU32 TreeJumpToParentOnPopMask; // Store a copy of !g.NavIdIsAlive for TreeDepth 0..31.. Could be turned into a ImU64 if necessary. ImU32 TreeJumpToParentOnPopMask; // Store a copy of !g.NavIdIsAlive for TreeDepth 0..31.. Could be turned into a ImU64 if necessary.
ImVector<ImGuiWindow*> ChildWindows; ImVector<ImGuiWindow*> ChildWindows;
@ -1460,7 +1461,6 @@ struct IMGUI_API ImGuiWindow
int LastFrameActive; // Last frame number the window was Active. int LastFrameActive; // Last frame number the window was Active.
float LastTimeActive; // Last timestamp the window was Active (using float as we don't need high precision there) float LastTimeActive; // Last timestamp the window was Active (using float as we don't need high precision there)
float ItemWidthDefault; float ItemWidthDefault;
ImGuiMenuColumns MenuColumns; // Simplified columns storage for menu items
ImGuiStorage StateStorage; ImGuiStorage StateStorage;
ImVector<ImGuiColumns> ColumnsStorage; ImVector<ImGuiColumns> ColumnsStorage;
float FontWindowScale; // User scale multiplier per-window, via SetWindowFontScale() float FontWindowScale; // User scale multiplier per-window, via SetWindowFontScale()

10
imgui_widgets.cpp
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@ -6172,11 +6172,11 @@ bool ImGui::BeginMenu(const char* label, bool enabled)
{ {
// Menu inside a menu // Menu inside a menu
popup_pos = ImVec2(pos.x, pos.y - style.WindowPadding.y); popup_pos = ImVec2(pos.x, pos.y - style.WindowPadding.y);
float w = window->MenuColumns.DeclColumns(label_size.x, 0.0f, IM_FLOOR(g.FontSize * 1.20f)); // Feedback to next frame float w = window->DC.MenuColumns.DeclColumns(label_size.x, 0.0f, IM_FLOOR(g.FontSize * 1.20f)); // Feedback to next frame
float extra_w = ImMax(0.0f, GetContentRegionAvail().x - w); float extra_w = ImMax(0.0f, GetContentRegionAvail().x - w);
pressed = Selectable(label, menu_is_open, ImGuiSelectableFlags_NoHoldingActiveID | ImGuiSelectableFlags_PressedOnClick | ImGuiSelectableFlags_DontClosePopups | ImGuiSelectableFlags_DrawFillAvailWidth | (!enabled ? ImGuiSelectableFlags_Disabled : 0), ImVec2(w, 0.0f)); pressed = Selectable(label, menu_is_open, ImGuiSelectableFlags_NoHoldingActiveID | ImGuiSelectableFlags_PressedOnClick | ImGuiSelectableFlags_DontClosePopups | ImGuiSelectableFlags_DrawFillAvailWidth | (!enabled ? ImGuiSelectableFlags_Disabled : 0), ImVec2(w, 0.0f));
ImU32 text_col = GetColorU32(enabled ? ImGuiCol_Text : ImGuiCol_TextDisabled); ImU32 text_col = GetColorU32(enabled ? ImGuiCol_Text : ImGuiCol_TextDisabled);
RenderArrow(window->DrawList, pos + ImVec2(window->MenuColumns.Pos[2] + extra_w + g.FontSize * 0.30f, 0.0f), text_col, ImGuiDir_Right); RenderArrow(window->DrawList, pos + ImVec2(window->DC.MenuColumns.Pos[2] + extra_w + g.FontSize * 0.30f, 0.0f), text_col, ImGuiDir_Right);
} }
const bool hovered = enabled && ItemHoverable(window->DC.LastItemRect, id); const bool hovered = enabled && ItemHoverable(window->DC.LastItemRect, id);
@ -6320,17 +6320,17 @@ bool ImGui::MenuItem(const char* label, const char* shortcut, bool selected, boo
else else
{ {
ImVec2 shortcut_size = shortcut ? CalcTextSize(shortcut, NULL) : ImVec2(0.0f, 0.0f); ImVec2 shortcut_size = shortcut ? CalcTextSize(shortcut, NULL) : ImVec2(0.0f, 0.0f);
float w = window->MenuColumns.DeclColumns(label_size.x, shortcut_size.x, IM_FLOOR(g.FontSize * 1.20f)); // Feedback for next frame float w = window->DC.MenuColumns.DeclColumns(label_size.x, shortcut_size.x, IM_FLOOR(g.FontSize * 1.20f)); // Feedback for next frame
float extra_w = ImMax(0.0f, GetContentRegionAvail().x - w); float extra_w = ImMax(0.0f, GetContentRegionAvail().x - w);
pressed = Selectable(label, false, flags | ImGuiSelectableFlags_DrawFillAvailWidth, ImVec2(w, 0.0f)); pressed = Selectable(label, false, flags | ImGuiSelectableFlags_DrawFillAvailWidth, ImVec2(w, 0.0f));
if (shortcut_size.x > 0.0f) if (shortcut_size.x > 0.0f)
{ {
PushStyleColor(ImGuiCol_Text, g.Style.Colors[ImGuiCol_TextDisabled]); PushStyleColor(ImGuiCol_Text, g.Style.Colors[ImGuiCol_TextDisabled]);
RenderText(pos + ImVec2(window->MenuColumns.Pos[1] + extra_w, 0.0f), shortcut, NULL, false); RenderText(pos + ImVec2(window->DC.MenuColumns.Pos[1] + extra_w, 0.0f), shortcut, NULL, false);
PopStyleColor(); PopStyleColor();
} }
if (selected) if (selected)
RenderCheckMark(pos + ImVec2(window->MenuColumns.Pos[2] + extra_w + g.FontSize * 0.40f, g.FontSize * 0.134f * 0.5f), GetColorU32(enabled ? ImGuiCol_Text : ImGuiCol_TextDisabled), g.FontSize * 0.866f); RenderCheckMark(pos + ImVec2(window->DC.MenuColumns.Pos[2] + extra_w + g.FontSize * 0.40f, g.FontSize * 0.134f * 0.5f), GetColorU32(enabled ? ImGuiCol_Text : ImGuiCol_TextDisabled), g.FontSize * 0.866f);
} }
IMGUI_TEST_ENGINE_ITEM_INFO(window->DC.LastItemId, label, window->DC.ItemFlags | ImGuiItemStatusFlags_Checkable | (selected ? ImGuiItemStatusFlags_Checked : 0)); IMGUI_TEST_ENGINE_ITEM_INFO(window->DC.LastItemId, label, window->DC.ItemFlags | ImGuiItemStatusFlags_Checkable | (selected ? ImGuiItemStatusFlags_Checked : 0));