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Internals: Tidying up, moving helpers to imgui_internal.h (in prevision of 1.64 refactor)

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docking
omar 6 years ago
parent ec148988f0
commit 92edb7a4e3
3 changed files with 54 additions and 59 deletions
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82
imgui.cpp
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@ -828,7 +828,7 @@
#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
#endif
// Clang warnings with -Weverything
// Clang/GCC warnings with -Weverything
#ifdef __clang__
#pragma clang diagnostic ignored "-Wunknown-pragmas" // warning : unknown warning group '-Wformat-pedantic *' // not all warnings are known by all clang versions.. so ignoring warnings triggers new warnings on some configuration. great!
#pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse.
@ -878,11 +878,7 @@ static const float NAV_WINDOWING_LIST_APPEAR_DELAY = 0.15f; // Time before the w
// Forward Declarations
//-------------------------------------------------------------------------
static bool IsKeyPressedMap(ImGuiKey key, bool repeat = true);
static void SetCurrentWindow(ImGuiWindow* window);
static void SetWindowScrollX(ImGuiWindow* window, float new_scroll_x);
static void SetWindowScrollY(ImGuiWindow* window, float new_scroll_y);
static void SetWindowPos(ImGuiWindow* window, const ImVec2& pos, ImGuiCond cond);
static void SetWindowSize(ImGuiWindow* window, const ImVec2& size, ImGuiCond cond);
static void SetWindowCollapsed(ImGuiWindow* window, bool collapsed, ImGuiCond cond);
@ -918,7 +914,6 @@ static void NavProcessItem(ImGuiWindow* window, const ImRect& nav_bb
static void UpdateMouseInputs();
static void UpdateMouseWheel();
static void UpdateManualResize(ImGuiWindow* window, const ImVec2& size_auto_fit, int* border_held, int resize_grip_count, ImU32 resize_grip_col[4]);
static void FocusFrontMostActiveWindow(ImGuiWindow* ignore_window);
// Template widget behaviors
template<typename TYPE, typename SIGNEDTYPE, typename FLOATTYPE>
@ -1114,10 +1109,6 @@ void ImGuiIO::AddInputCharactersUTF8(const char* utf8_chars)
// HELPERS
//-----------------------------------------------------------------------------
#define IM_STATIC_ASSERT(_COND) typedef char static_assertion_##__line__[(_COND)?1:-1]
#define IM_F32_TO_INT8_UNBOUND(_VAL) ((int)((_VAL) * 255.0f + ((_VAL)>=0 ? 0.5f : -0.5f))) // Unsaturated, for display purpose
#define IM_F32_TO_INT8_SAT(_VAL) ((int)(ImSaturate(_VAL) * 255.0f + 0.5f)) // Saturated, always output 0..255
ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p)
{
ImVec2 ap = p - a;
@ -2243,7 +2234,7 @@ static void SetCurrentWindow(ImGuiWindow* window)
g.FontSize = g.DrawListSharedData.FontSize = window->CalcFontSize();
}
static void SetNavID(ImGuiID id, int nav_layer)
void ImGui::SetNavID(ImGuiID id, int nav_layer)
{
ImGuiContext& g = *GImGui;
IM_ASSERT(g.NavWindow);
@ -2252,7 +2243,7 @@ static void SetNavID(ImGuiID id, int nav_layer)
g.NavWindow->NavLastIds[nav_layer] = id;
}
static void SetNavIDWithRectRel(ImGuiID id, int nav_layer, const ImRect& rect_rel)
void ImGui::SetNavIDWithRectRel(ImGuiID id, int nav_layer, const ImRect& rect_rel)
{
ImGuiContext& g = *GImGui;
SetNavID(id, nav_layer);
@ -2586,7 +2577,7 @@ static void NavRestoreLayer(int layer)
if (layer == 0)
g.NavWindow = NavRestoreLastChildNavWindow(g.NavWindow);
if (layer == 0 && g.NavWindow->NavLastIds[0] != 0)
SetNavIDWithRectRel(g.NavWindow->NavLastIds[0], layer, g.NavWindow->NavRectRel[0]);
ImGui::SetNavIDWithRectRel(g.NavWindow->NavLastIds[0], layer, g.NavWindow->NavRectRel[0]);
else
ImGui::NavInitWindow(g.NavWindow, true);
}
@ -2599,7 +2590,7 @@ static inline void NavUpdateAnyRequestFlag()
IM_ASSERT(g.NavWindow != NULL);
}
static bool NavMoveRequestButNoResultYet()
bool ImGui::NavMoveRequestButNoResultYet()
{
ImGuiContext& g = *GImGui;
return g.NavMoveRequest && g.NavMoveResultLocal.ID == 0 && g.NavMoveResultOther.ID == 0;
@ -3058,23 +3049,6 @@ float ImGui::GetNavInputAmount(ImGuiNavInput n, ImGuiInputReadMode mode)
return 0.0f;
}
// Equivalent of IsKeyDown() for NavInputs[]
static bool IsNavInputDown(ImGuiNavInput n)
{
return GImGui->IO.NavInputs[n] > 0.0f;
}
// Equivalent of IsKeyPressed() for NavInputs[]
static bool IsNavInputPressed(ImGuiNavInput n, ImGuiInputReadMode mode)
{
return ImGui::GetNavInputAmount(n, mode) > 0.0f;
}
static bool IsNavInputPressedAnyOfTwo(ImGuiNavInput n1, ImGuiNavInput n2, ImGuiInputReadMode mode)
{
return (ImGui::GetNavInputAmount(n1, mode) + ImGui::GetNavInputAmount(n2, mode)) > 0.0f;
}
ImVec2 ImGui::GetNavInputAmount2d(ImGuiNavDirSourceFlags dir_sources, ImGuiInputReadMode mode, float slow_factor, float fast_factor)
{
ImVec2 delta(0.0f, 0.0f);
@ -4022,7 +3996,7 @@ void ImGui::NewFrame()
// Closing the focused window restore focus to the first active root window in descending z-order
if (g.NavWindow && !g.NavWindow->WasActive)
FocusFrontMostActiveWindow(NULL);
FocusFrontMostActiveWindowIgnoringOne(NULL);
// No window should be open at the beginning of the frame.
// But in order to allow the user to call NewFrame() multiple times without calling Render(), we are doing an explicit clear.
@ -4632,7 +4606,7 @@ void ImGui::LogText(const char* fmt, ...)
// Internal version that takes a position to decide on newline placement and pad items according to their depth.
// We split text into individual lines to add current tree level padding
static void LogRenderedText(const ImVec2* ref_pos, const char* text, const char* text_end = NULL)
void ImGui::LogRenderedText(const ImVec2* ref_pos, const char* text, const char* text_end)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
@ -5005,12 +4979,6 @@ bool ImGui::IsMouseHoveringRect(const ImVec2& r_min, const ImVec2& r_max, bool c
return rect_for_touch.Contains(g.IO.MousePos);
}
static bool IsKeyPressedMap(ImGuiKey key, bool repeat)
{
const int key_index = GImGui->IO.KeyMap[key];
return (key_index >= 0) ? ImGui::IsKeyPressed(key_index, repeat) : false;
}
int ImGui::GetKeyIndex(ImGuiKey imgui_key)
{
IM_ASSERT(imgui_key >= 0 && imgui_key < ImGuiKey_COUNT);
@ -5793,13 +5761,7 @@ static void CheckStacksSize(ImGuiWindow* window, bool write)
IM_ASSERT(p_backup == window->DC.StackSizesBackup + IM_ARRAYSIZE(window->DC.StackSizesBackup));
}
enum ImGuiPopupPositionPolicy
{
ImGuiPopupPositionPolicy_Default,
ImGuiPopupPositionPolicy_ComboBox
};
static ImRect FindAllowedExtentRectForWindow(ImGuiWindow*)
ImRect ImGui::GetWindowAllowedExtentRect(ImGuiWindow*)
{
ImVec2 padding = GImGui->Style.DisplaySafeAreaPadding;
ImRect r_screen = GetViewportRect();
@ -5809,7 +5771,7 @@ static ImRect FindAllowedExtentRectForWindow(ImGuiWindow*)
// r_avoid = the rectangle to avoid (e.g. for tooltip it is a rectangle around the mouse cursor which we want to avoid. for popups it's a small point around the cursor.)
// r_outer = the visible area rectangle, minus safe area padding. If our popup size won't fit because of safe area padding we ignore it.
static ImVec2 FindBestWindowPosForPopupEx(const ImVec2& ref_pos, const ImVec2& size, ImGuiDir* last_dir, const ImRect& r_outer, const ImRect& r_avoid, ImGuiPopupPositionPolicy policy = ImGuiPopupPositionPolicy_Default)
ImVec2 ImGui::FindBestWindowPosForPopupEx(const ImVec2& ref_pos, const ImVec2& size, ImGuiDir* last_dir, const ImRect& r_outer, const ImRect& r_avoid, ImGuiPopupPositionPolicy policy)
{
ImVec2 base_pos_clamped = ImClamp(ref_pos, r_outer.Min, r_outer.Max - size);
//GImGui->OverlayDrawList.AddRect(r_avoid.Min, r_avoid.Max, IM_COL32(255,0,0,255));
@ -5862,11 +5824,11 @@ static ImVec2 FindBestWindowPosForPopupEx(const ImVec2& ref_pos, const ImVec2& s
return pos;
}
static ImVec2 FindBestWindowPosForPopup(ImGuiWindow* window)
ImVec2 ImGui::FindBestWindowPosForPopup(ImGuiWindow* window)
{
ImGuiContext& g = *GImGui;
ImRect r_outer = FindAllowedExtentRectForWindow(window);
ImRect r_outer = GetWindowAllowedExtentRect(window);
if (window->Flags & ImGuiWindowFlags_ChildMenu)
{
// Child menus typically request _any_ position within the parent menu item, and then our FindBestWindowPosForPopup() function will move the new menu outside the parent bounds.
@ -6032,6 +5994,12 @@ static ImVec2 CalcSizeAutoFit(ImGuiWindow* window, const ImVec2& size_contents)
}
}
ImVec2 ImGui::CalcWindowExpectedSize(ImGuiWindow* window)
{
ImVec2 size_contents = CalcSizeContents(window);
return CalcSizeAfterConstraint(window, CalcSizeAutoFit(window, size_contents));
}
static float GetScrollMaxX(ImGuiWindow* window)
{
return ImMax(0.0f, window->SizeContents.x - (window->SizeFull.x - window->ScrollbarSizes.x));
@ -7049,7 +7017,7 @@ void ImGui::FocusWindow(ImGuiWindow* window)
BringWindowToFront(window);
}
void ImGui::FocusFrontMostActiveWindow(ImGuiWindow* ignore_window)
void ImGui::FocusFrontMostActiveWindowIgnoringOne(ImGuiWindow* ignore_window)
{
ImGuiContext& g = *GImGui;
for (int i = g.Windows.Size - 1; i >= 0; i--)
@ -7457,14 +7425,14 @@ ImVec2 ImGui::GetWindowPos()
return window->Pos;
}
static void SetWindowScrollX(ImGuiWindow* window, float new_scroll_x)
void ImGui::SetWindowScrollX(ImGuiWindow* window, float new_scroll_x)
{
window->DC.CursorMaxPos.x += window->Scroll.x; // SizeContents is generally computed based on CursorMaxPos which is affected by scroll position, so we need to apply our change to it.
window->Scroll.x = new_scroll_x;
window->DC.CursorMaxPos.x -= window->Scroll.x;
}
static void SetWindowScrollY(ImGuiWindow* window, float new_scroll_y)
void ImGui::SetWindowScrollY(ImGuiWindow* window, float new_scroll_y)
{
window->DC.CursorMaxPos.y += window->Scroll.y; // SizeContents is generally computed based on CursorMaxPos which is affected by scroll position, so we need to apply our change to it.
window->Scroll.y = new_scroll_y;
@ -11664,11 +11632,10 @@ bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboF
if (ImGuiWindow* popup_window = FindWindowByName(name))
if (popup_window->WasActive)
{
ImVec2 size_contents = CalcSizeContents(popup_window);
ImVec2 size_expected = CalcSizeAfterConstraint(popup_window, CalcSizeAutoFit(popup_window, size_contents));
ImVec2 size_expected = CalcWindowExpectedSize(popup_window);
if (flags & ImGuiComboFlags_PopupAlignLeft)
popup_window->AutoPosLastDirection = ImGuiDir_Left;
ImRect r_outer = FindAllowedExtentRectForWindow(popup_window);
ImRect r_outer = GetWindowAllowedExtentRect(popup_window);
ImVec2 pos = FindBestWindowPosForPopupEx(frame_bb.GetBL(), size_expected, &popup_window->AutoPosLastDirection, r_outer, frame_bb, ImGuiPopupPositionPolicy_ComboBox);
SetNextWindowPos(pos);
}
@ -12070,7 +12037,7 @@ void ImGui::EndMainMenuBar()
// When the user has left the menu layer (typically: closed menus through activation of an item), we restore focus to the previous window
ImGuiContext& g = *GImGui;
if (g.CurrentWindow == g.NavWindow && g.NavLayer == 0)
FocusFrontMostActiveWindow(g.NavWindow);
FocusFrontMostActiveWindowIgnoringOne(g.NavWindow);
End();
}
@ -12509,7 +12476,7 @@ void ImGui::ColorEditOptionsPopup(const float* col, ImGuiColorEditFlags flags)
EndPopup();
}
static void ColorPickerOptionsPopup(ImGuiColorEditFlags flags, const float* ref_col)
void ImGui::ColorPickerOptionsPopup(const float* ref_col, ImGuiColorEditFlags flags)
{
bool allow_opt_picker = !(flags & ImGuiColorEditFlags__PickerMask);
bool allow_opt_alpha_bar = !(flags & ImGuiColorEditFlags_NoAlpha) && !(flags & ImGuiColorEditFlags_AlphaBar);
@ -12790,7 +12757,6 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
// Context menu: display and store options.
if (!(flags & ImGuiColorEditFlags_NoOptions))
ColorPickerOptionsPopup(flags, col);
// Read stored options
if (!(flags & ImGuiColorEditFlags__PickerMask))

2
imgui_draw.cpp
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@ -34,11 +34,13 @@
#endif
#endif
// Visual Studio warnings
#ifdef _MSC_VER
#pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
#endif
// Clang/GCC warnings with -Weverything
#ifdef __clang__
#pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse.
#pragma clang diagnostic ignored "-Wfloat-equal" // warning : comparing floating point with == or != is unsafe // storing and comparing against same constants ok.

29
imgui_internal.h
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@ -98,6 +98,9 @@ extern IMGUI_API ImGuiContext* GImGui; // Current implicit ImGui context pointe
#else
#define IM_NEWLINE "\n"
#endif
#define IM_STATIC_ASSERT(_COND) typedef char static_assertion_##__line__[(_COND)?1:-1]
#define IM_F32_TO_INT8_UNBOUND(_VAL) ((int)((_VAL) * 255.0f + ((_VAL)>=0 ? 0.5f : -0.5f))) // Unsaturated, for display purpose
#define IM_F32_TO_INT8_SAT(_VAL) ((int)(ImSaturate(_VAL) * 255.0f + 0.5f)) // Saturated, always output 0..255
// Enforce cdecl calling convention for functions called by the standard library, in case compilation settings changed the default to e.g. __vectorcall
#ifdef _MSC_VER
@ -356,6 +359,12 @@ enum ImGuiNavForward
ImGuiNavForward_ForwardActive
};
enum ImGuiPopupPositionPolicy
{
ImGuiPopupPositionPolicy_Default,
ImGuiPopupPositionPolicy_ComboBox
};
// 2D axis aligned bounding-box
// NB: we can't rely on ImVec2 math operators being available here
struct IMGUI_API ImRect
@ -1103,11 +1112,16 @@ namespace ImGui
inline ImGuiWindow* GetCurrentWindow() { ImGuiContext& g = *GImGui; g.CurrentWindow->WriteAccessed = true; return g.CurrentWindow; }
IMGUI_API ImGuiWindow* FindWindowByName(const char* name);
IMGUI_API void FocusWindow(ImGuiWindow* window);
IMGUI_API void FocusFrontMostActiveWindowIgnoringOne(ImGuiWindow* ignore_window);
IMGUI_API void BringWindowToFront(ImGuiWindow* window);
IMGUI_API void BringWindowToBack(ImGuiWindow* window);
IMGUI_API void UpdateWindowParentAndRootLinks(ImGuiWindow* window, ImGuiWindowFlags flags, ImGuiWindow* parent_window);
IMGUI_API ImVec2 CalcWindowExpectedSize(ImGuiWindow* window);
IMGUI_API bool IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent);
IMGUI_API bool IsWindowNavFocusable(ImGuiWindow* window);
IMGUI_API void SetWindowScrollX(ImGuiWindow* window, float new_scroll_x);
IMGUI_API void SetWindowScrollY(ImGuiWindow* window, float new_scroll_y);
IMGUI_API ImRect GetWindowAllowedExtentRect(ImGuiWindow* window);
IMGUI_API void SetCurrentFont(ImFont* font);
inline ImFont* GetDefaultFont() { ImGuiContext& g = *GImGui; return g.IO.FontDefault ? g.IO.FontDefault : g.IO.Fonts->Fonts[0]; }
@ -1161,9 +1175,12 @@ namespace ImGui
IMGUI_API bool BeginPopupEx(ImGuiID id, ImGuiWindowFlags extra_flags);
IMGUI_API void BeginTooltipEx(ImGuiWindowFlags extra_flags, bool override_previous_tooltip = true);
IMGUI_API ImGuiWindow* GetFrontMostPopupModal();
IMGUI_API ImVec2 FindBestWindowPosForPopup(ImGuiWindow* window);
IMGUI_API ImVec2 FindBestWindowPosForPopupEx(const ImVec2& ref_pos, const ImVec2& size, ImGuiDir* last_dir, const ImRect& r_outer, const ImRect& r_avoid, ImGuiPopupPositionPolicy policy = ImGuiPopupPositionPolicy_Default);
// Navigation
IMGUI_API void NavInitWindow(ImGuiWindow* window, bool force_reinit);
IMGUI_API bool NavMoveRequestButNoResultYet();
IMGUI_API void NavMoveRequestCancel();
IMGUI_API void NavMoveRequestForward(ImGuiDir move_dir, ImGuiDir clip_dir, const ImRect& bb_rel, ImGuiNavMoveFlags move_flags);
IMGUI_API void NavMoveRequestTryWrapping(ImGuiWindow* window, ImGuiNavMoveFlags move_flags);
@ -1171,7 +1188,15 @@ namespace ImGui
IMGUI_API ImVec2 GetNavInputAmount2d(ImGuiNavDirSourceFlags dir_sources, ImGuiInputReadMode mode, float slow_factor = 0.0f, float fast_factor = 0.0f);
IMGUI_API int CalcTypematicPressedRepeatAmount(float t, float t_prev, float repeat_delay, float repeat_rate);
IMGUI_API void ActivateItem(ImGuiID id); // Remotely activate a button, checkbox, tree node etc. given its unique ID. activation is queued and processed on the next frame when the item is encountered again.
IMGUI_API void SetNavID(ImGuiID id, int nav_layer);
IMGUI_API void SetNavIDWithRectRel(ImGuiID id, int nav_layer, const ImRect& rect_rel);
// Inputs
inline bool IsKeyPressedMap(ImGuiKey key, bool repeat = true) { const int key_index = GImGui->IO.KeyMap[key]; return (key_index >= 0) ? IsKeyPressed(key_index, repeat) : false; }
inline bool IsNavInputDown(ImGuiNavInput n) { return GImGui->IO.NavInputs[n] > 0.0f; }
inline bool IsNavInputPressed(ImGuiNavInput n, ImGuiInputReadMode mode) { return GetNavInputAmount(n, mode) > 0.0f; }
inline bool IsNavInputPressedAnyOfTwo(ImGuiNavInput n1, ImGuiNavInput n2, ImGuiInputReadMode mode) { return (GetNavInputAmount(n1, mode) + GetNavInputAmount(n2, mode)) > 0.0f; }
// Drag and Drop
IMGUI_API bool BeginDragDropTargetCustom(const ImRect& bb, ImGuiID id);
IMGUI_API void ClearDragDrop();
@ -1196,6 +1221,7 @@ namespace ImGui
IMGUI_API void RenderCheckMark(ImVec2 pos, ImU32 col, float sz);
IMGUI_API void RenderNavHighlight(const ImRect& bb, ImGuiID id, ImGuiNavHighlightFlags flags = ImGuiNavHighlightFlags_TypeDefault); // Navigation highlight
IMGUI_API const char* FindRenderedTextEnd(const char* text, const char* text_end = NULL); // Find the optional ## from which we stop displaying text.
IMGUI_API void LogRenderedText(const ImVec2* ref_pos, const char* text, const char* text_end = NULL);
// Render helpers (those functions don't access any ImGui state!)
IMGUI_API void RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor = ImGuiMouseCursor_Arrow);
@ -1224,6 +1250,7 @@ namespace ImGui
IMGUI_API void ColorTooltip(const char* text, const float* col, ImGuiColorEditFlags flags);
IMGUI_API void ColorEditOptionsPopup(const float* col, ImGuiColorEditFlags flags);
IMGUI_API void ColorPickerOptionsPopup(const float* ref_col, ImGuiColorEditFlags flags);
IMGUI_API void PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 graph_size);

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