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Fixed old SetWindowFontScale() api value from not being inherited by child window. Added comments about the right way to scale your UI (load a font at the right side, rebuild atlas, scale style).

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+ Added missing IMGUI_API marker to the EmptyString storage used by ImGuiTextBuffer. (#2672)
This commit is contained in:
omar 2019-07-17 09:59:10 -07:00
parent 130b44994e
commit ea79992d9a
4 changed files with 14 additions and 11 deletions
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4
docs/CHANGELOG.txt
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@ -51,6 +51,8 @@ Other Changes:
Also still case if ImGuiWindowFlags_NoScrollWithMouse is set (not new), but previously the forwarding
would be disabled if ImGuiWindowFlags_NoScrollbar was set on the child window, which is not the case
any more. Forwarding can still be disabled by setting ImGuiWindowFlags_NoInputs. (amend #1502, #1380).
- Window: Fixed old SetWindowFontScale() api value from not being inherited by child window. Added
comments about the right way to scale your UI (load a font at the right side, rebuild atlas, scale style).
- Scrollbar: Avoid overlapping the opposite side when window (often a child window) is forcibly too small.
- Combo: Hide arrow when there's not enough space even for the square button.
- TabBar: Fixed unfocused tab bar separator color (was using ImGuiCol_Tab, should use ImGuiCol_TabUnfocusedActive).
@ -58,7 +60,7 @@ Other Changes:
of this, auto-fitting exactly unwrapped text would make it wrap. (fixes initial 1.15 commit, 78645a7d).
- Scrolling: Added SetScrollHereX(), SetScrollFromPosX() for completeness. (#1580) [@kevreco]
- Style: Attenuated default opacity of ImGuiCol_Separator in Classic and Light styles.
- Style: Added style.ColorButtonButton (left/right, defaults to ImGuiDir_Right) to move the color button
- Style: Added style.ColorButtonPosition (left/right, defaults to ImGuiDir_Right) to move the color button
of ColorEdit3/ColorEdit4 functions to either side of the inputs.
- Misc: Added IMGUI_DISABLE_METRICS_WINDOW imconfig.h setting to explicitly compile out ShowMetricsWindow().
- Debug, Metrics: Added "Tools->Item Picker" tool which allow clicking on a widget to break in the debugger

4
imgui.h
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@ -280,7 +280,7 @@ namespace ImGui
IMGUI_API void SetWindowSize(const ImVec2& size, ImGuiCond cond = 0); // (not recommended) set current window size - call within Begin()/End(). set to ImVec2(0,0) to force an auto-fit. prefer using SetNextWindowSize(), as this may incur tearing and minor side-effects.
IMGUI_API void SetWindowCollapsed(bool collapsed, ImGuiCond cond = 0); // (not recommended) set current window collapsed state. prefer using SetNextWindowCollapsed().
IMGUI_API void SetWindowFocus(); // (not recommended) set current window to be focused / top-most. prefer using SetNextWindowFocus().
IMGUI_API void SetWindowFontScale(float scale); // set font scale. Adjust IO.FontGlobalScale if you want to scale all windows
IMGUI_API void SetWindowFontScale(float scale); // set font scale. Adjust IO.FontGlobalScale if you want to scale all windows. This is an old API! For correct scaling, prefer to reload font + rebuild ImFontAtlas + call style.ScaleAllSizes().
IMGUI_API void SetWindowPos(const char* name, const ImVec2& pos, ImGuiCond cond = 0); // set named window position.
IMGUI_API void SetWindowSize(const char* name, const ImVec2& size, ImGuiCond cond = 0); // set named window size. set axis to 0.0f to force an auto-fit on this axis.
IMGUI_API void SetWindowCollapsed(const char* name, bool collapsed, ImGuiCond cond = 0); // set named window collapsed state
@ -1612,7 +1612,7 @@ struct ImGuiTextFilter
struct ImGuiTextBuffer
{
ImVector<char> Buf;
static char EmptyString[1];
IMGUI_API static char EmptyString[1];
ImGuiTextBuffer() { }
inline char operator[](int i) { IM_ASSERT(Buf.Data != NULL); return Buf.Data[i]; }

3
imgui_demo.cpp
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@ -3295,8 +3295,9 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
ImGui::TreePop();
}
HelpMarker("Those are old settings provided for convenience.\nHowever, the _correct_ way of scaling your UI is currently to reload your font at the designed size, rebuild the font atlas, and call style.ScaleAllSizes() on a reference ImGuiStyle structure.");
static float window_scale = 1.0f;
if (ImGui::DragFloat("this window scale", &window_scale, 0.005f, 0.3f, 2.0f, "%.2f")) // scale only this window
if (ImGui::DragFloat("window scale", &window_scale, 0.005f, 0.3f, 2.0f, "%.2f")) // scale only this window
ImGui::SetWindowFontScale(window_scale);
ImGui::DragFloat("global scale", &io.FontGlobalScale, 0.005f, 0.3f, 2.0f, "%.2f"); // scale everything
ImGui::PopItemWidth();

14
imgui_internal.h
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@ -1317,7 +1317,7 @@ struct IMGUI_API ImGuiWindow
ImGuiMenuColumns MenuColumns; // Simplified columns storage for menu items
ImGuiStorage StateStorage;
ImVector<ImGuiColumns> ColumnsStorage;
float FontWindowScale; // User scale multiplier per-window
float FontWindowScale; // User scale multiplier per-window, via SetWindowFontScale()
int SettingsIdx; // Index into SettingsWindow[] (indices are always valid as we only grow the array from the back)
ImDrawList* DrawList; // == &DrawListInst (for backward compatibility reason with code using imgui_internal.h we keep this a pointer)
@ -1344,12 +1344,12 @@ public:
ImGuiID GetIDFromRectangle(const ImRect& r_abs);
// We don't use g.FontSize because the window may be != g.CurrentWidow.
ImRect Rect() const { return ImRect(Pos.x, Pos.y, Pos.x+Size.x, Pos.y+Size.y); }
float CalcFontSize() const { return GImGui->FontBaseSize * FontWindowScale; }
float TitleBarHeight() const { return (Flags & ImGuiWindowFlags_NoTitleBar) ? 0.0f : CalcFontSize() + GImGui->Style.FramePadding.y * 2.0f; }
ImRect TitleBarRect() const { return ImRect(Pos, ImVec2(Pos.x + SizeFull.x, Pos.y + TitleBarHeight())); }
float MenuBarHeight() const { return (Flags & ImGuiWindowFlags_MenuBar) ? DC.MenuBarOffset.y + CalcFontSize() + GImGui->Style.FramePadding.y * 2.0f : 0.0f; }
ImRect MenuBarRect() const { float y1 = Pos.y + TitleBarHeight(); return ImRect(Pos.x, y1, Pos.x + SizeFull.x, y1 + MenuBarHeight()); }
ImRect Rect() const { return ImRect(Pos.x, Pos.y, Pos.x+Size.x, Pos.y+Size.y); }
float CalcFontSize() const { ImGuiContext& g = *GImGui; float scale = g.FontBaseSize * FontWindowScale; if (ParentWindow) scale *= ParentWindow->FontWindowScale; return scale; }
float TitleBarHeight() const { ImGuiContext& g = *GImGui; return (Flags & ImGuiWindowFlags_NoTitleBar) ? 0.0f : CalcFontSize() + g.Style.FramePadding.y * 2.0f; }
ImRect TitleBarRect() const { return ImRect(Pos, ImVec2(Pos.x + SizeFull.x, Pos.y + TitleBarHeight())); }
float MenuBarHeight() const { ImGuiContext& g = *GImGui; return (Flags & ImGuiWindowFlags_MenuBar) ? DC.MenuBarOffset.y + CalcFontSize() + g.Style.FramePadding.y * 2.0f : 0.0f; }
ImRect MenuBarRect() const { float y1 = Pos.y + TitleBarHeight(); return ImRect(Pos.x, y1, Pos.x + SizeFull.x, y1 + MenuBarHeight()); }
};
// Backup and restore just enough data to be able to use IsItemHovered() on item A after another B in the same window has overwritten the data.