From d5b0d51274d59417a5a3dfcb81c58a37c04cffde Mon Sep 17 00:00:00 2001 From: omar Date: Tue, 22 Aug 2017 18:13:10 +0800 Subject: [PATCH] Minor miscellaneous merges from Navigation branch to reduce divergence a little bit --- imgui.cpp | 106 ++++++++++++++++++++++++----------------------- imgui_internal.h | 13 +++--- 2 files changed, 61 insertions(+), 58 deletions(-) diff --git a/imgui.cpp b/imgui.cpp index 0396108a..c76a6db7 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -615,7 +615,7 @@ static ImGuiIniData* FindWindowSettings(const char* name); static ImGuiIniData* AddWindowSettings(const char* name); static void LoadIniSettingsFromDisk(const char* ini_filename); static void SaveIniSettingsToDisk(const char* ini_filename); -static void MarkIniSettingsDirty(); +static void MarkIniSettingsDirty(ImGuiWindow* window); static ImRect GetVisibleRect(); @@ -742,6 +742,7 @@ ImGuiIO::ImGuiIO() // Most fields are initialized with zero memset(this, 0, sizeof(*this)); + // Settings DisplaySize = ImVec2(-1.0f, -1.0f); DeltaTime = 1.0f/60.0f; IniSavingRate = 5.0f; @@ -774,6 +775,7 @@ ImGuiIO::ImGuiIO() SetClipboardTextFn = SetClipboardTextFn_DefaultImpl; ClipboardUserData = NULL; ImeSetInputScreenPosFn = ImeSetInputScreenPosFn_DefaultImpl; + ImeWindowHandle = NULL; // Set OS X style defaults based on __APPLE__ compile time flag #ifdef __APPLE__ @@ -1934,7 +1936,6 @@ bool ImGui::IsClippedEx(const ImRect& bb, const ImGuiID* id, bool clip_even_when { ImGuiContext& g = *GImGui; ImGuiWindow* window = GetCurrentWindowRead(); - if (!bb.Overlaps(window->ClipRect)) if (!id || *id != GImGui->ActiveId) if (clip_even_when_logged || !g.LogEnabled) @@ -2146,7 +2147,8 @@ void ImGui::NewFrame() g.RenderDrawData.CmdLists = NULL; g.RenderDrawData.CmdListsCount = g.RenderDrawData.TotalVtxCount = g.RenderDrawData.TotalIdxCount = 0; - // Update inputs state + + // Update mouse input state if (g.IO.MousePos.x < 0 && g.IO.MousePos.y < 0) g.IO.MousePos = ImVec2(-9999.0f, -9999.0f); if ((g.IO.MousePos.x < 0 && g.IO.MousePos.y < 0) || (g.IO.MousePosPrev.x < 0 && g.IO.MousePosPrev.y < 0)) // if mouse just appeared or disappeared (negative coordinate) we cancel out movement in MouseDelta @@ -2213,7 +2215,7 @@ void ImGui::NewFrame() { g.MovedWindow->PosFloat += g.IO.MouseDelta; if (!(g.MovedWindow->Flags & ImGuiWindowFlags_NoSavedSettings) && (g.IO.MouseDelta.x != 0.0f || g.IO.MouseDelta.y != 0.0f)) - MarkIniSettingsDirty(); + MarkIniSettingsDirty(g.MovedWindow); } FocusWindow(g.MovedWindow); } @@ -2291,23 +2293,20 @@ void ImGui::NewFrame() if (g.HoveredWindow && g.IO.MouseWheel != 0.0f && !g.HoveredWindow->Collapsed) { ImGuiWindow* window = g.HoveredWindow; - if (g.IO.KeyCtrl) + if (g.IO.KeyCtrl && g.IO.FontAllowUserScaling) { - if (g.IO.FontAllowUserScaling) - { - // Zoom / Scale window - float new_font_scale = ImClamp(window->FontWindowScale + g.IO.MouseWheel * 0.10f, 0.50f, 2.50f); - float scale = new_font_scale / window->FontWindowScale; - window->FontWindowScale = new_font_scale; - - const ImVec2 offset = window->Size * (1.0f - scale) * (g.IO.MousePos - window->Pos) / window->Size; - window->Pos += offset; - window->PosFloat += offset; - window->Size *= scale; - window->SizeFull *= scale; - } + // Zoom / Scale window + const float new_font_scale = ImClamp(window->FontWindowScale + g.IO.MouseWheel * 0.10f, 0.50f, 2.50f); + const float scale = new_font_scale / window->FontWindowScale; + window->FontWindowScale = new_font_scale; + + const ImVec2 offset = window->Size * (1.0f - scale) * (g.IO.MousePos - window->Pos) / window->Size; + window->Pos += offset; + window->PosFloat += offset; + window->Size *= scale; + window->SizeFull *= scale; } - else if (!(window->Flags & ImGuiWindowFlags_NoScrollWithMouse)) + else if (!g.IO.KeyCtrl && !(window->Flags & ImGuiWindowFlags_NoScrollWithMouse)) { // Scroll const int scroll_lines = (window->Flags & ImGuiWindowFlags_ComboBox) ? 3 : 5; @@ -2530,11 +2529,12 @@ static void SaveIniSettingsToDisk(const char* ini_filename) fclose(f); } -static void MarkIniSettingsDirty() +static void MarkIniSettingsDirty(ImGuiWindow* window) { ImGuiContext& g = *GImGui; - if (g.SettingsDirtyTimer <= 0.0f) - g.SettingsDirtyTimer = g.IO.IniSavingRate; + if (!(window->Flags & ImGuiWindowFlags_NoSavedSettings)) + if (g.SettingsDirtyTimer <= 0.0f) + g.SettingsDirtyTimer = g.IO.IniSavingRate; } // FIXME: Add a more explicit sort order in the window structure. @@ -2684,6 +2684,7 @@ void ImGui::EndFrame() continue; AddWindowToSortedBuffer(g.WindowsSortBuffer, window); } + IM_ASSERT(g.Windows.Size == g.WindowsSortBuffer.Size); // we done something wrong g.Windows.swap(g.WindowsSortBuffer); @@ -3315,8 +3316,7 @@ bool ImGui::IsAnyItemActive() bool ImGui::IsItemVisible() { ImGuiWindow* window = GetCurrentWindowRead(); - ImRect r(window->ClipRect); - return r.Overlaps(window->DC.LastItemRect); + return window->ClipRect.Overlaps(window->DC.LastItemRect); } // Allow last item to be overlapped by a subsequent item. Both may be activated during the same frame before the later one takes priority. @@ -3631,7 +3631,7 @@ bool ImGui::BeginPopupContextVoid(const char* str_id, int mouse_button) static bool BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags extra_flags) { - ImGuiWindow* window = ImGui::GetCurrentWindow(); + ImGuiWindow* parent_window = ImGui::GetCurrentWindow(); ImGuiWindowFlags flags = ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoSavedSettings|ImGuiWindowFlags_ChildWindow; const ImVec2 content_avail = ImGui::GetContentRegionAvail(); @@ -3654,14 +3654,14 @@ static bool BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, b char title[256]; if (name) - ImFormatString(title, IM_ARRAYSIZE(title), "%s.%s.%08X", window->Name, name, id); + ImFormatString(title, IM_ARRAYSIZE(title), "%s.%s.%08X", parent_window->Name, name, id); else - ImFormatString(title, IM_ARRAYSIZE(title), "%s.%08X", window->Name, id); + ImFormatString(title, IM_ARRAYSIZE(title), "%s.%08X", parent_window->Name, id); bool ret = ImGui::Begin(title, NULL, size, -1.0f, flags); - - if (!(window->Flags & ImGuiWindowFlags_ShowBorders)) - ImGui::GetCurrentWindow()->Flags &= ~ImGuiWindowFlags_ShowBorders; + ImGuiWindow* child_window = ImGui::GetCurrentWindow(); + if (!(parent_window->Flags & ImGuiWindowFlags_ShowBorders)) + child_window->Flags &= ~ImGuiWindowFlags_ShowBorders; return ret; } @@ -3697,8 +3697,8 @@ void ImGui::EndChild() ImGui::End(); - window = GetCurrentWindow(); - ImRect bb(window->DC.CursorPos, window->DC.CursorPos + sz); + ImGuiWindow* parent_window = GetCurrentWindow(); + ImRect bb(parent_window->DC.CursorPos, parent_window->DC.CursorPos + sz); ItemSize(sz); ItemAdd(bb, NULL); } @@ -3744,7 +3744,7 @@ static ImVec2 FindBestPopupWindowPos(const ImVec2& base_pos, const ImVec2& size, // Clamp into visible area while not overlapping the cursor. Safety padding is optional if our popup size won't fit without it. ImVec2 safe_padding = style.DisplaySafeAreaPadding; ImRect r_outer(GetVisibleRect()); - r_outer.Reduce(ImVec2((size.x - r_outer.GetWidth() > safe_padding.x*2) ? safe_padding.x : 0.0f, (size.y - r_outer.GetHeight() > safe_padding.y*2) ? safe_padding.y : 0.0f)); + r_outer.Expand(ImVec2((size.x - r_outer.GetWidth() > safe_padding.x*2) ? -safe_padding.x : 0.0f, (size.y - r_outer.GetHeight() > safe_padding.y*2) ? -safe_padding.y : 0.0f)); ImVec2 base_pos_clamped = ImClamp(base_pos, r_outer.Min, r_outer.Max - size); for (int n = (*last_dir != -1) ? -1 : 0; n < 4; n++) // Last, Right, down, up, left. (Favor last used direction). @@ -4022,8 +4022,7 @@ bool ImGui::Begin(const char* name, bool* p_open, const ImVec2& size_on_first_us if (g.HoveredWindow == window && IsMouseHoveringRect(title_bar_rect.Min, title_bar_rect.Max) && g.IO.MouseDoubleClicked[0]) { window->Collapsed = !window->Collapsed; - if (!(flags & ImGuiWindowFlags_NoSavedSettings)) - MarkIniSettingsDirty(); + MarkIniSettingsDirty(window); FocusWindow(window); } } @@ -4097,8 +4096,7 @@ bool ImGui::Begin(const char* name, bool* p_open, const ImVec2& size_on_first_us window->SizeFull.x = window->AutoFitOnlyGrows ? ImMax(window->SizeFull.x, size_auto_fit.x) : size_auto_fit.x; if (window->AutoFitFramesY > 0) window->SizeFull.y = window->AutoFitOnlyGrows ? ImMax(window->SizeFull.y, size_auto_fit.y) : size_auto_fit.y; - if (!(flags & ImGuiWindowFlags_NoSavedSettings)) - MarkIniSettingsDirty(); + MarkIniSettingsDirty(window); } } @@ -4232,16 +4230,14 @@ bool ImGui::Begin(const char* name, bool* p_open, const ImVec2& size_on_first_us { // Manual auto-fit when double-clicking ApplySizeFullWithConstraint(window, size_auto_fit); - if (!(flags & ImGuiWindowFlags_NoSavedSettings)) - MarkIniSettingsDirty(); + MarkIniSettingsDirty(window); ClearActiveID(); } else if (held) { // We don't use an incremental MouseDelta but rather compute an absolute target size based on mouse position ApplySizeFullWithConstraint(window, (g.IO.MousePos - g.ActiveIdClickOffset + resize_rect.GetSize()) - window->Pos); - if (!(flags & ImGuiWindowFlags_NoSavedSettings)) - MarkIniSettingsDirty(); + MarkIniSettingsDirty(window); } window->Size = window->SizeFull; @@ -4407,7 +4403,8 @@ bool ImGui::Begin(const char* name, bool* p_open, const ImVec2& size_on_first_us // Note that if our window is collapsed we will end up with a null clipping rectangle which is the correct behavior. const ImRect title_bar_rect = window->TitleBarRect(); const float border_size = window->BorderSize; - ImRect clip_rect; // Force round to ensure that e.g. (int)(max.x-min.x) in user's render code produce correct result. + // Force round to ensure that e.g. (int)(max.x-min.x) in user's render code produce correct result. + ImRect clip_rect; clip_rect.Min.x = ImFloor(0.5f + title_bar_rect.Min.x + ImMax(border_size, ImFloor(window->WindowPadding.x*0.5f))); clip_rect.Min.y = ImFloor(0.5f + title_bar_rect.Max.y + window->MenuBarHeight() + border_size); clip_rect.Max.x = ImFloor(0.5f + window->Pos.x + window->Size.x - window->ScrollbarSizes.x - ImMax(border_size, ImFloor(window->WindowPadding.x*0.5f))); @@ -4496,7 +4493,7 @@ static void Scrollbar(ImGuiWindow* window, bool horizontal) else window_rounding_corners = (((window->Flags & ImGuiWindowFlags_NoTitleBar) && !(window->Flags & ImGuiWindowFlags_MenuBar)) ? ImGuiCorner_TopRight : 0) | (other_scrollbar ? 0 : ImGuiCorner_BottomRight); window->DrawList->AddRectFilled(bb.Min, bb.Max, ImGui::GetColorU32(ImGuiCol_ScrollbarBg), window_rounding, window_rounding_corners); - bb.Reduce(ImVec2(ImClamp((float)(int)((bb.Max.x - bb.Min.x - 2.0f) * 0.5f), 0.0f, 3.0f), ImClamp((float)(int)((bb.Max.y - bb.Min.y - 2.0f) * 0.5f), 0.0f, 3.0f))); + bb.Expand(ImVec2(-ImClamp((float)(int)((bb.Max.x - bb.Min.x - 2.0f) * 0.5f), 0.0f, 3.0f), -ImClamp((float)(int)((bb.Max.y - bb.Min.y - 2.0f) * 0.5f), 0.0f, 3.0f))); // V denote the main, longer axis of the scrollbar (= height for a vertical scrollbar) float scrollbar_size_v = horizontal ? bb.GetWidth() : bb.GetHeight(); @@ -5580,6 +5577,7 @@ bool ImGui::ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool return false; } + // Default behavior requires click+release on same spot if ((flags & (ImGuiButtonFlags_PressedOnClickRelease | ImGuiButtonFlags_PressedOnClick | ImGuiButtonFlags_PressedOnRelease | ImGuiButtonFlags_PressedOnDoubleClick)) == 0) flags |= ImGuiButtonFlags_PressedOnClickRelease; @@ -6468,13 +6466,18 @@ int ImGui::ParseFormatPrecision(const char* fmt, int default_precision) return precision; } +static float GetMinimumStepAtDecimalPrecision(int decimal_precision) +{ + static const float min_steps[10] = { 1.0f, 0.1f, 0.01f, 0.001f, 0.0001f, 0.00001f, 0.000001f, 0.0000001f, 0.00000001f, 0.000000001f }; + return (decimal_precision >= 0 && decimal_precision < 10) ? min_steps[decimal_precision] : powf(10.0f, (float)-decimal_precision); +} + float ImGui::RoundScalar(float value, int decimal_precision) { // Round past decimal precision // So when our value is 1.99999 with a precision of 0.001 we'll end up rounding to 2.0 // FIXME: Investigate better rounding methods - static const float min_steps[10] = { 1.0f, 0.1f, 0.01f, 0.001f, 0.0001f, 0.00001f, 0.000001f, 0.0000001f, 0.00000001f, 0.000000001f }; - float min_step = (decimal_precision >= 0 && decimal_precision < 10) ? min_steps[decimal_precision] : powf(10.0f, (float)-decimal_precision); + const float min_step = GetMinimumStepAtDecimalPrecision(decimal_precision); bool negative = value < 0.0f; value = fabsf(value); float remainder = fmodf(value, min_step); @@ -6602,10 +6605,8 @@ bool ImGui::SliderBehavior(const ImRect& frame_bb, ImGuiID id, float* v, float v } } - // Calculate slider grab positioning - float grab_t = SliderBehaviorCalcRatioFromValue(*v, v_min, v_max, power, linear_zero_pos); - // Draw + float grab_t = SliderBehaviorCalcRatioFromValue(*v, v_min, v_max, power, linear_zero_pos); if (!is_horizontal) grab_t = 1.0f - grab_t; const float grab_pos = ImLerp(slider_usable_pos_min, slider_usable_pos_max, grab_t); @@ -7293,7 +7294,7 @@ void ImGui::ProgressBar(float fraction, const ImVec2& size_arg, const char* over // Render fraction = ImSaturate(fraction); RenderFrame(bb.Min, bb.Max, GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding); - bb.Reduce(ImVec2(window->BorderSize, window->BorderSize)); + bb.Expand(ImVec2(-window->BorderSize, -window->BorderSize)); const ImVec2 fill_br = ImVec2(ImLerp(bb.Min.x, bb.Max.x, fraction), bb.Max.y); RenderFrame(bb.Min, fill_br, GetColorU32(ImGuiCol_PlotHistogram), false, style.FrameRounding); @@ -8570,6 +8571,7 @@ bool ImGui::Combo(const char* label, int* current_item, bool (*items_getter)(voi if (BeginPopupEx(id, flags)) { // Display items + // FIXME-OPT: Use clipper Spacing(); for (int i = 0; i < items_count; i++) { @@ -8757,7 +8759,7 @@ bool ImGui::ListBox(const char* label, int* current_item, bool (*items_getter)(v // Assume all items have even height (= 1 line of text). If you need items of different or variable sizes you can create a custom version of ListBox() in your code without using the clipper. bool value_changed = false; - ImGuiListClipper clipper(items_count, GetTextLineHeightWithSpacing()); + ImGuiListClipper clipper(items_count, GetTextLineHeightWithSpacing()); // We know exactly our line height here so we pass it as a minor optimization, but generally you don't need to. while (clipper.Step()) for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) { @@ -10471,8 +10473,8 @@ void ImGui::ShowMetricsWindow(bool* p_open) ImGui::Text("FocusedWindow: '%s'", g.FocusedWindow ? g.FocusedWindow->Name : "NULL"); ImGui::Text("HoveredWindow: '%s'", g.HoveredWindow ? g.HoveredWindow->Name : "NULL"); ImGui::Text("HoveredRootWindow: '%s'", g.HoveredRootWindow ? g.HoveredRootWindow->Name : "NULL"); - ImGui::Text("HoveredID: 0x%08X/0x%08X", g.HoveredId, g.HoveredIdPreviousFrame); // Data is "in-flight" so depending on when the Metrics window is called we may see current frame information or not - ImGui::Text("ActiveID: 0x%08X/0x%08X", g.ActiveId, g.ActiveIdPreviousFrame); + ImGui::Text("HoveredId: 0x%08X/0x%08X", g.HoveredId, g.HoveredIdPreviousFrame); // Data is "in-flight" so depending on when the Metrics window is called we may see current frame information or not + ImGui::Text("ActiveId: 0x%08X/0x%08X", g.ActiveId, g.ActiveIdPreviousFrame); ImGui::Text("ActiveIdWindow: '%s'", g.ActiveIdWindow ? g.ActiveIdWindow->Name : "NULL"); ImGui::TreePop(); } diff --git a/imgui_internal.h b/imgui_internal.h index 2bfef842..d98d2cb4 100644 --- a/imgui_internal.h +++ b/imgui_internal.h @@ -266,7 +266,7 @@ struct IMGUI_API ImRect void Add(const ImRect& rhs) { if (Min.x > rhs.Min.x) Min.x = rhs.Min.x; if (Min.y > rhs.Min.y) Min.y = rhs.Min.y; if (Max.x < rhs.Max.x) Max.x = rhs.Max.x; if (Max.y < rhs.Max.y) Max.y = rhs.Max.y; } void Expand(const float amount) { Min.x -= amount; Min.y -= amount; Max.x += amount; Max.y += amount; } void Expand(const ImVec2& amount) { Min.x -= amount.x; Min.y -= amount.y; Max.x += amount.x; Max.y += amount.y; } - void Reduce(const ImVec2& amount) { Min.x += amount.x; Min.y += amount.y; Max.x -= amount.x; Max.y -= amount.y; } + void Translate(const ImVec2& v) { Min.x += v.x; Min.y += v.y; Max.x += v.x; Max.y += v.y; } void ClipWith(const ImRect& clip) { if (Min.x < clip.Min.x) Min.x = clip.Min.x; if (Min.y < clip.Min.y) Min.y = clip.Min.y; if (Max.x > clip.Max.x) Max.x = clip.Max.x; if (Max.y > clip.Max.y) Max.y = clip.Max.y; } void Floor() { Min.x = (float)(int)Min.x; Min.y = (float)(int)Min.y; Max.x = (float)(int)Max.x; Max.y = (float)(int)Max.y; } ImVec2 GetClosestPoint(ImVec2 p, bool on_edge) const @@ -397,8 +397,8 @@ struct ImGuiContext ImGuiIO IO; ImGuiStyle Style; ImFont* Font; // (Shortcut) == FontStack.empty() ? IO.Font : FontStack.back() - float FontSize; // (Shortcut) == FontBaseSize * g.CurrentWindow->FontWindowScale == window->FontSize() - float FontBaseSize; // (Shortcut) == IO.FontGlobalScale * Font->Scale * Font->FontSize. Size of characters. + float FontSize; // (Shortcut) == FontBaseSize * g.CurrentWindow->FontWindowScale == window->FontSize(). Text height for current window. + float FontBaseSize; // (Shortcut) == IO.FontGlobalScale * Font->Scale * Font->FontSize. Base text height. ImVec2 FontTexUvWhitePixel; // (Shortcut) == Font->TexUvWhitePixel float Time; @@ -407,8 +407,8 @@ struct ImGuiContext int FrameCountRendered; ImVector Windows; ImVector WindowsSortBuffer; - ImGuiWindow* CurrentWindow; // Being drawn into ImVector CurrentWindowStack; + ImGuiWindow* CurrentWindow; // Being drawn into ImGuiWindow* FocusedWindow; // Will catch keyboard inputs ImGuiWindow* HoveredWindow; // Will catch mouse inputs ImGuiWindow* HoveredRootWindow; // Will catch mouse inputs (for focus/move only) @@ -417,9 +417,10 @@ struct ImGuiContext ImGuiID HoveredIdPreviousFrame; ImGuiID ActiveId; // Active widget ImGuiID ActiveIdPreviousFrame; - bool ActiveIdIsAlive; + bool ActiveIdIsAlive; // Active widget has been seen this frame bool ActiveIdIsJustActivated; // Set at the time of activation for one frame - bool ActiveIdAllowOverlap; // Set only by active widget + bool ActiveIdAllowOverlap; // Active widget allows another widget to steal active id (generally for overlapping widgets, but not always) + ImVec2 ActiveIdClickOffset; // Clicked offset from upper-left corner, if applicable (currently only set by ButtonBehavior) ImGuiWindow* ActiveIdWindow; ImGuiWindow* MovedWindow; // Track the child window we clicked on to move a window.