From 92edb7a4e318bbbced98f08e2c21e5bc86891789 Mon Sep 17 00:00:00 2001 From: omar Date: Tue, 28 Aug 2018 22:52:51 +0200 Subject: [PATCH] Internals: Tidying up, moving helpers to imgui_internal.h (in prevision of 1.64 refactor) --- imgui.cpp | 82 ++++++++++++++---------------------------------- imgui_draw.cpp | 2 ++ imgui_internal.h | 29 ++++++++++++++++- 3 files changed, 54 insertions(+), 59 deletions(-) diff --git a/imgui.cpp b/imgui.cpp index bf33e973..aa8b6469 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -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 @@ -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)) diff --git a/imgui_draw.cpp b/imgui_draw.cpp index 2b0c052f..da57312e 100644 --- a/imgui_draw.cpp +++ b/imgui_draw.cpp @@ -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. diff --git a/imgui_internal.h b/imgui_internal.h index 424943b9..45c7740d 100644 --- a/imgui_internal.h +++ b/imgui_internal.h @@ -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);