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Misc: Comments and shallow/small changes (merged from viewport branch to minimize branch drift).

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This commit is contained in:
omar 2018-04-25 16:38:13 +02:00
parent b28535d1da
commit e3453d0dc4
5 changed files with 80 additions and 76 deletions
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1
CHANGELOG.txt
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@ -60,6 +60,7 @@ Other Changes:
- Demo: Fixed Overlay: Added a context menu item to enable freely moving the window. - Demo: Fixed Overlay: Added a context menu item to enable freely moving the window.
- Examples: Allegro 5: Added support for 32-bit indices setup via defining ImDrawIdx, to avoid an unnecessary conversion (Allegro 5 doesn't support 16-bit indices). - Examples: Allegro 5: Added support for 32-bit indices setup via defining ImDrawIdx, to avoid an unnecessary conversion (Allegro 5 doesn't support 16-bit indices).
- Examples: Allegro 5: Renamed bindings from imgui_impl_a5.cpp to imgui_impl_allegro5.cpp. - Examples: Allegro 5: Renamed bindings from imgui_impl_a5.cpp to imgui_impl_allegro5.cpp.
- Various minor fixes, tweaks, refactoring, comments.
----------------------------------------------------------------------- -----------------------------------------------------------------------

111
imgui.cpp
View File

@ -433,7 +433,7 @@
perfectly fine, as the bool toggle fairly rarely. If you have on a touch device, you might find use for an early call to NewFrameUpdateHoveredWindowAndCaptureFlags(). perfectly fine, as the bool toggle fairly rarely. If you have on a touch device, you might find use for an early call to NewFrameUpdateHoveredWindowAndCaptureFlags().
Note: Text input widget releases focus on "Return KeyDown", so the subsequent "Return KeyUp" event that your application receive will typically Note: Text input widget releases focus on "Return KeyDown", so the subsequent "Return KeyUp" event that your application receive will typically
have 'io.WantCaptureKeyboard=false'. Depending on your application logic it may or not be inconvenient. You might want to track which key-downs have 'io.WantCaptureKeyboard=false'. Depending on your application logic it may or not be inconvenient. You might want to track which key-downs
were targetted for Dear ImGui, e.g. with an array of bool, and filter out the corresponding key-ups.) were targeted for Dear ImGui, e.g. with an array of bool, and filter out the corresponding key-ups.)
Q: How can I display an image? What is ImTextureID, how does it works? Q: How can I display an image? What is ImTextureID, how does it works?
A: ImTextureID is a void* used to pass renderer-agnostic texture references around until it hits your render function. A: ImTextureID is a void* used to pass renderer-agnostic texture references around until it hits your render function.
@ -757,8 +757,8 @@ static void NavUpdate();
static void NavUpdateWindowing(); static void NavUpdateWindowing();
static void NavProcessItem(ImGuiWindow* window, const ImRect& nav_bb, const ImGuiID id); static void NavProcessItem(ImGuiWindow* window, const ImRect& nav_bb, const ImGuiID id);
static void NewFrameUpdateMovingWindow(); static void UpdateMovingWindow();
static void NewFrameUpdateMouseInputs(); static void UpdateMouseInputs();
static void UpdateManualResize(ImGuiWindow* window, const ImVec2& size_auto_fit, int* border_held, int resize_grip_count, ImU32 resize_grip_col[4]); 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); static void FocusFrontMostActiveWindow(ImGuiWindow* ignore_window);
} }
@ -830,7 +830,7 @@ ImGuiStyle::ImGuiStyle()
GrabMinSize = 10.0f; // Minimum width/height of a grab box for slider/scrollbar GrabMinSize = 10.0f; // Minimum width/height of a grab box for slider/scrollbar
GrabRounding = 0.0f; // Radius of grabs corners rounding. Set to 0.0f to have rectangular slider grabs. GrabRounding = 0.0f; // Radius of grabs corners rounding. Set to 0.0f to have rectangular slider grabs.
ButtonTextAlign = ImVec2(0.5f,0.5f);// Alignment of button text when button is larger than text. ButtonTextAlign = ImVec2(0.5f,0.5f);// Alignment of button text when button is larger than text.
DisplayWindowPadding = ImVec2(22,22); // Window positions are clamped to be visible within the display area by at least this amount. Only covers regular windows. DisplayWindowPadding = ImVec2(20,20); // Window positions are clamped to be visible within the display area by at least this amount. Only covers regular windows.
DisplaySafeAreaPadding = ImVec2(3,3); // If you cannot see the edge of your screen (e.g. on a TV) increase the safe area padding. Covers popups/tooltips as well regular windows. DisplaySafeAreaPadding = ImVec2(3,3); // If you cannot see the edge of your screen (e.g. on a TV) increase the safe area padding. Covers popups/tooltips as well regular windows.
MouseCursorScale = 1.0f; // Scale software rendered mouse cursor (when io.MouseDrawCursor is enabled). May be removed later. MouseCursorScale = 1.0f; // Scale software rendered mouse cursor (when io.MouseDrawCursor is enabled). May be removed later.
AntiAliasedLines = true; // Enable anti-aliasing on lines/borders. Disable if you are really short on CPU/GPU. AntiAliasedLines = true; // Enable anti-aliasing on lines/borders. Disable if you are really short on CPU/GPU.
@ -1939,8 +1939,8 @@ ImGuiWindow::ImGuiWindow(ImGuiContext* context, const char* name)
Scroll = ImVec2(0.0f, 0.0f); Scroll = ImVec2(0.0f, 0.0f);
ScrollTarget = ImVec2(FLT_MAX, FLT_MAX); ScrollTarget = ImVec2(FLT_MAX, FLT_MAX);
ScrollTargetCenterRatio = ImVec2(0.5f, 0.5f); ScrollTargetCenterRatio = ImVec2(0.5f, 0.5f);
ScrollbarX = ScrollbarY = false;
ScrollbarSizes = ImVec2(0.0f, 0.0f); ScrollbarSizes = ImVec2(0.0f, 0.0f);
ScrollbarX = ScrollbarY = false;
Active = WasActive = false; Active = WasActive = false;
WriteAccessed = false; WriteAccessed = false;
Collapsed = false; Collapsed = false;
@ -2257,10 +2257,11 @@ static bool NavScoreItem(ImGuiNavMoveResult* result, ImRect cand)
if (ImGui::IsMouseHoveringRect(cand.Min, cand.Max)) if (ImGui::IsMouseHoveringRect(cand.Min, cand.Max))
{ {
ImFormatString(buf, IM_ARRAYSIZE(buf), "dbox (%.2f,%.2f->%.4f)\ndcen (%.2f,%.2f->%.4f)\nd (%.2f,%.2f->%.4f)\nnav %c, quadrant %c", dbx, dby, dist_box, dcx, dcy, dist_center, dax, day, dist_axial, "WENS"[g.NavMoveDir], "WENS"[quadrant]); ImFormatString(buf, IM_ARRAYSIZE(buf), "dbox (%.2f,%.2f->%.4f)\ndcen (%.2f,%.2f->%.4f)\nd (%.2f,%.2f->%.4f)\nnav %c, quadrant %c", dbx, dby, dist_box, dcx, dcy, dist_center, dax, day, dist_axial, "WENS"[g.NavMoveDir], "WENS"[quadrant]);
g.OverlayDrawList.AddRect(curr.Min, curr.Max, IM_COL32(255, 200, 0, 100)); ImDrawList* draw_list = ImGui::GetOverlayDrawList();
g.OverlayDrawList.AddRect(cand.Min, cand.Max, IM_COL32(255,255,0,200)); draw_list->AddRect(curr.Min, curr.Max, IM_COL32(255,200,0,100));
g.OverlayDrawList.AddRectFilled(cand.Max-ImVec2(4,4), cand.Max+ImGui::CalcTextSize(buf)+ImVec2(4,4), IM_COL32(40,0,0,150)); draw_list->AddRect(cand.Min, cand.Max, IM_COL32(255,255,0,200));
g.OverlayDrawList.AddText(g.IO.FontDefault, 13.0f, cand.Max, ~0U, buf); draw_list->AddRectFilled(cand.Max-ImVec2(4,4), cand.Max+ImGui::CalcTextSize(buf)+ImVec2(4,4), IM_COL32(40,0,0,150));
draw_list->AddText(g.IO.FontDefault, 13.0f, cand.Max, ~0U, buf);
} }
else if (g.IO.KeyCtrl) // Hold to preview score in matching quadrant. Press C to rotate. else if (g.IO.KeyCtrl) // Hold to preview score in matching quadrant. Press C to rotate.
{ {
@ -2268,8 +2269,9 @@ static bool NavScoreItem(ImGuiNavMoveResult* result, ImRect cand)
if (quadrant == g.NavMoveDir) if (quadrant == g.NavMoveDir)
{ {
ImFormatString(buf, IM_ARRAYSIZE(buf), "%.0f/%.0f", dist_box, dist_center); ImFormatString(buf, IM_ARRAYSIZE(buf), "%.0f/%.0f", dist_box, dist_center);
g.OverlayDrawList.AddRectFilled(cand.Min, cand.Max, IM_COL32(255, 0, 0, 200)); ImDrawList* draw_list = ImGui::GetOverlayDrawList();
g.OverlayDrawList.AddText(g.IO.FontDefault, 13.0f, cand.Min, IM_COL32(255, 255, 255, 255), buf); draw_list->AddRectFilled(cand.Min, cand.Max, IM_COL32(255, 0, 0, 200));
draw_list->AddText(g.IO.FontDefault, 13.0f, cand.Min, IM_COL32(255, 255, 255, 255), buf);
} }
} }
#endif #endif
@ -2731,7 +2733,7 @@ void ImGui::NavInitWindow(ImGuiWindow* window, bool force_reinit)
} }
} }
static ImVec2 NavCalcPreferredMousePos() static ImVec2 NavCalcPreferredRefPos()
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.NavWindow; ImGuiWindow* window = g.NavWindow;
@ -3068,10 +3070,10 @@ static void ImGui::NavUpdate()
// Apply application mouse position movement, after we had a chance to process move request result. // Apply application mouse position movement, after we had a chance to process move request result.
if (g.NavMousePosDirty && g.NavIdIsAlive) if (g.NavMousePosDirty && g.NavIdIsAlive)
{ {
// Set mouse position given our knowledge of the nav widget position from last frame // Set mouse position given our knowledge of the navigated item position from last frame
if ((g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableSetMousePos) && (g.IO.BackendFlags & ImGuiBackendFlags_HasSetMousePos)) if ((g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableSetMousePos) && (g.IO.BackendFlags & ImGuiBackendFlags_HasSetMousePos))
{ {
g.IO.MousePos = g.IO.MousePosPrev = NavCalcPreferredMousePos(); g.IO.MousePos = g.IO.MousePosPrev = NavCalcPreferredRefPos();
g.IO.WantSetMousePos = true; g.IO.WantSetMousePos = true;
} }
g.NavMousePosDirty = false; g.NavMousePosDirty = false;
@ -3253,12 +3255,12 @@ static void ImGui::NavUpdate()
//g.OverlayDrawList.AddRect(g.NavScoringRectScreen.Min, g.NavScoringRectScreen.Max, IM_COL32(255,200,0,255)); // [DEBUG] //g.OverlayDrawList.AddRect(g.NavScoringRectScreen.Min, g.NavScoringRectScreen.Max, IM_COL32(255,200,0,255)); // [DEBUG]
g.NavScoringCount = 0; g.NavScoringCount = 0;
#if IMGUI_DEBUG_NAV_RECTS #if IMGUI_DEBUG_NAV_RECTS
if (g.NavWindow) { for (int layer = 0; layer < 2; layer++) g.OverlayDrawList.AddRect(g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Min, g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Max, IM_COL32(255,200,0,255)); } // [DEBUG] if (g.NavWindow) { for (int layer = 0; layer < 2; layer++) GetOverlayDrawList()->AddRect(g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Min, g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Max, IM_COL32(255,200,0,255)); } // [DEBUG]
if (g.NavWindow) { ImU32 col = (g.NavWindow->HiddenFrames == 0) ? IM_COL32(255,0,255,255) : IM_COL32(255,0,0,255); ImVec2 p = NavCalcPreferredMousePos(); char buf[32]; ImFormatString(buf, 32, "%d", g.NavLayer); g.OverlayDrawList.AddCircleFilled(p, 3.0f, col); g.OverlayDrawList.AddText(NULL, 13.0f, p + ImVec2(8,-4), col, buf); } if (g.NavWindow) { ImU32 col = (g.NavWindow->HiddenFrames == 0) ? IM_COL32(255,0,255,255) : IM_COL32(255,0,0,255); ImVec2 p = NavCalcPreferredMousePos(); char buf[32]; ImFormatString(buf, 32, "%d", g.NavLayer); g.OverlayDrawList.AddCircleFilled(p, 3.0f, col); g.OverlayDrawList.AddText(NULL, 13.0f, p + ImVec2(8,-4), col, buf); }
#endif #endif
} }
static void ImGui::NewFrameUpdateMovingWindow() static void ImGui::UpdateMovingWindow()
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
if (g.MovingWindow != NULL) if (g.MovingWindow != NULL)
@ -3296,12 +3298,12 @@ static void ImGui::NewFrameUpdateMovingWindow()
} }
} }
static void ImGui::NewFrameUpdateMouseInputs() static void ImGui::UpdateMouseInputs()
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
// If mouse just appeared or disappeared (usually denoted by -FLT_MAX component, but in reality we test for -256000.0f) we cancel out movement in MouseDelta // If mouse just appeared or disappeared (usually denoted by -FLT_MAX component, but in reality we test for -256000.0f) we cancel out movement in MouseDelta
if (ImGui::IsMousePosValid(&g.IO.MousePos) && ImGui::IsMousePosValid(&g.IO.MousePosPrev)) if (IsMousePosValid(&g.IO.MousePos) && IsMousePosValid(&g.IO.MousePosPrev))
g.IO.MouseDelta = g.IO.MousePos - g.IO.MousePosPrev; g.IO.MouseDelta = g.IO.MousePos - g.IO.MousePosPrev;
else else
g.IO.MouseDelta = ImVec2(0.0f, 0.0f); g.IO.MouseDelta = ImVec2(0.0f, 0.0f);
@ -3410,7 +3412,7 @@ void ImGui::NewFrame()
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
// Check user data // Check user data
// (We pass an error message in the assert expression as a trick to get it visible to programmers who are not using a debugger, as most assert handlers display their argument) // (We pass an error message in the assert expression to make it visible to programmers who are not using a debugger, as most assert handlers display their argument)
IM_ASSERT(g.Initialized); IM_ASSERT(g.Initialized);
IM_ASSERT(g.IO.DeltaTime >= 0.0f && "Need a positive DeltaTime (zero is tolerated but will cause some timing issues)"); IM_ASSERT(g.IO.DeltaTime >= 0.0f && "Need a positive DeltaTime (zero is tolerated but will cause some timing issues)");
IM_ASSERT(g.IO.DisplaySize.x >= 0.0f && g.IO.DisplaySize.y >= 0.0f && "Invalid DisplaySize value"); IM_ASSERT(g.IO.DisplaySize.x >= 0.0f && g.IO.DisplaySize.y >= 0.0f && "Invalid DisplaySize value");
@ -3422,7 +3424,7 @@ void ImGui::NewFrame()
for (int n = 0; n < ImGuiKey_COUNT; n++) for (int n = 0; n < ImGuiKey_COUNT; n++)
IM_ASSERT(g.IO.KeyMap[n] >= -1 && g.IO.KeyMap[n] < IM_ARRAYSIZE(g.IO.KeysDown) && "io.KeyMap[] contains an out of bound value (need to be 0..512, or -1 for unmapped key)"); IM_ASSERT(g.IO.KeyMap[n] >= -1 && g.IO.KeyMap[n] < IM_ARRAYSIZE(g.IO.KeysDown) && "io.KeyMap[] contains an out of bound value (need to be 0..512, or -1 for unmapped key)");
// Do a simple check for required key mapping (we intentionally do NOT check all keys to not pressure user into setting up everything, but Space is required and was super recently added in 1.60 WIP) // Perform simple check for required key mapping (we intentionally do NOT check all keys to not pressure user into setting up everything, but Space is required and was only recently added in 1.60 WIP)
if (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard) if (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard)
IM_ASSERT(g.IO.KeyMap[ImGuiKey_Space] != -1 && "ImGuiKey_Space is not mapped, required for keyboard navigation."); IM_ASSERT(g.IO.KeyMap[ImGuiKey_Space] != -1 && "ImGuiKey_Space is not mapped, required for keyboard navigation.");
@ -3496,7 +3498,7 @@ void ImGui::NewFrame()
NavUpdate(); NavUpdate();
// Update mouse input state // Update mouse input state
NewFrameUpdateMouseInputs(); UpdateMouseInputs();
// Calculate frame-rate for the user, as a purely luxurious feature // Calculate frame-rate for the user, as a purely luxurious feature
g.FramerateSecPerFrameAccum += g.IO.DeltaTime - g.FramerateSecPerFrame[g.FramerateSecPerFrameIdx]; g.FramerateSecPerFrameAccum += g.IO.DeltaTime - g.FramerateSecPerFrame[g.FramerateSecPerFrameIdx];
@ -3505,7 +3507,7 @@ void ImGui::NewFrame()
g.IO.Framerate = (g.FramerateSecPerFrameAccum > 0.0f) ? (1.0f / (g.FramerateSecPerFrameAccum / (float)IM_ARRAYSIZE(g.FramerateSecPerFrame))) : FLT_MAX; g.IO.Framerate = (g.FramerateSecPerFrameAccum > 0.0f) ? (1.0f / (g.FramerateSecPerFrameAccum / (float)IM_ARRAYSIZE(g.FramerateSecPerFrame))) : FLT_MAX;
// Handle user moving window with mouse (at the beginning of the frame to avoid input lag or sheering) // Handle user moving window with mouse (at the beginning of the frame to avoid input lag or sheering)
NewFrameUpdateMovingWindow(); UpdateMovingWindow();
NewFrameUpdateHoveredWindowAndCaptureFlags(); NewFrameUpdateHoveredWindowAndCaptureFlags();
if (GetFrontMostPopupModal() != NULL) if (GetFrontMostPopupModal() != NULL)
@ -3515,7 +3517,7 @@ void ImGui::NewFrame()
g.MouseCursor = ImGuiMouseCursor_Arrow; g.MouseCursor = ImGuiMouseCursor_Arrow;
g.WantCaptureMouseNextFrame = g.WantCaptureKeyboardNextFrame = g.WantTextInputNextFrame = -1; g.WantCaptureMouseNextFrame = g.WantCaptureKeyboardNextFrame = g.WantTextInputNextFrame = -1;
g.OsImePosRequest = ImVec2(1.0f, 1.0f); // OS Input Method Editor showing on top-left of our window by default g.PlatformImePos = ImVec2(1.0f, 1.0f); // OS Input Method Editor showing on top-left of our window by default
// Mouse wheel scrolling, scale // Mouse wheel scrolling, scale
if (g.HoveredWindow && !g.HoveredWindow->Collapsed && (g.IO.MouseWheel != 0.0f || g.IO.MouseWheelH != 0.0f)) if (g.HoveredWindow && !g.HoveredWindow->Collapsed && (g.IO.MouseWheel != 0.0f || g.IO.MouseWheelH != 0.0f))
@ -3895,7 +3897,7 @@ static void AddWindowToSortedBuffer(ImVector<ImGuiWindow*>* out_sorted_windows,
} }
} }
static void AddDrawListToDrawData(ImVector<ImDrawList*>* out_render_list, ImDrawList* draw_list) static void AddDrawListToDrawData(ImVector<ImDrawList*>* out_list, ImDrawList* draw_list)
{ {
if (draw_list->CmdBuffer.empty()) if (draw_list->CmdBuffer.empty())
return; return;
@ -3925,7 +3927,7 @@ static void AddDrawListToDrawData(ImVector<ImDrawList*>* out_render_list, ImDraw
if (sizeof(ImDrawIdx) == 2) if (sizeof(ImDrawIdx) == 2)
IM_ASSERT(draw_list->_VtxCurrentIdx < (1 << 16) && "Too many vertices in ImDrawList using 16-bit indices. Read comment above"); IM_ASSERT(draw_list->_VtxCurrentIdx < (1 << 16) && "Too many vertices in ImDrawList using 16-bit indices. Read comment above");
out_render_list->push_back(draw_list); out_list->push_back(draw_list);
} }
static void AddWindowToDrawData(ImVector<ImDrawList*>* out_render_list, ImGuiWindow* window) static void AddWindowToDrawData(ImVector<ImDrawList*>* out_render_list, ImGuiWindow* window)
@ -4004,10 +4006,10 @@ void ImGui::EndFrame()
return; return;
// Notify OS when our Input Method Editor cursor has moved (e.g. CJK inputs using Microsoft IME) // Notify OS when our Input Method Editor cursor has moved (e.g. CJK inputs using Microsoft IME)
if (g.IO.ImeSetInputScreenPosFn && ImLengthSqr(g.OsImePosRequest - g.OsImePosSet) > 0.0001f) if (g.IO.ImeSetInputScreenPosFn && ImLengthSqr(g.PlatformImeLastPos - g.PlatformImePos) > 0.0001f)
{ {
g.IO.ImeSetInputScreenPosFn((int)g.OsImePosRequest.x, (int)g.OsImePosRequest.y); g.IO.ImeSetInputScreenPosFn((int)g.PlatformImePos.x, (int)g.PlatformImePos.y);
g.OsImePosSet = g.OsImePosRequest; g.PlatformImeLastPos = g.PlatformImePos;
} }
// Hide implicit "Debug" window if it hasn't been used // Hide implicit "Debug" window if it hasn't been used
@ -4848,7 +4850,7 @@ void ImGui::OpenPopupEx(ImGuiID id)
popup_ref.OpenFrameCount = g.FrameCount; popup_ref.OpenFrameCount = g.FrameCount;
popup_ref.OpenParentId = parent_window->IDStack.back(); popup_ref.OpenParentId = parent_window->IDStack.back();
popup_ref.OpenMousePos = g.IO.MousePos; popup_ref.OpenMousePos = g.IO.MousePos;
popup_ref.OpenPopupPos = (!g.NavDisableHighlight && g.NavDisableMouseHover) ? NavCalcPreferredMousePos() : g.IO.MousePos; popup_ref.OpenPopupPos = (!g.NavDisableHighlight && g.NavDisableMouseHover) ? NavCalcPreferredRefPos() : g.IO.MousePos;
//printf("[%05d] OpenPopupEx(0x%08X)\n", g.FrameCount, id); //printf("[%05d] OpenPopupEx(0x%08X)\n", g.FrameCount, id);
if (g.OpenPopupStack.Size < current_stack_size + 1) if (g.OpenPopupStack.Size < current_stack_size + 1)
@ -5237,7 +5239,7 @@ enum ImGuiPopupPositionPolicy
ImGuiPopupPositionPolicy_ComboBox ImGuiPopupPositionPolicy_ComboBox
}; };
static ImRect FindScreenRectForWindow(ImGuiWindow*) static ImRect FindAllowedExtentRectForWindow(ImGuiWindow*)
{ {
ImVec2 padding = GImGui->Style.DisplaySafeAreaPadding; ImVec2 padding = GImGui->Style.DisplaySafeAreaPadding;
ImRect r_screen = GetViewportRect(); ImRect r_screen = GetViewportRect();
@ -5304,37 +5306,37 @@ static ImVec2 FindBestWindowPosForPopup(ImGuiWindow* window)
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
ImRect r_screen = FindScreenRectForWindow(window); ImRect r_outer = FindAllowedExtentRectForWindow(window);
if (window->Flags & ImGuiWindowFlags_ChildMenu) 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. // 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.
// This is how we end up with child menus appearing (most-commonly) on the right of the parent menu. // This is how we end up with child menus appearing (most-commonly) on the right of the parent menu.
IM_ASSERT(g.CurrentWindow == window); IM_ASSERT(g.CurrentWindow == window);
ImGuiWindow* parent_menu = g.CurrentWindowStack[g.CurrentWindowStack.Size - 2]; ImGuiWindow* parent_window = g.CurrentWindowStack[g.CurrentWindowStack.Size - 2];
float horizontal_overlap = g.Style.ItemSpacing.x; // We want some overlap to convey the relative depth of each menu (currently the amount of overlap is hard-coded to style.ItemSpacing.x). float horizontal_overlap = g.Style.ItemSpacing.x; // We want some overlap to convey the relative depth of each menu (currently the amount of overlap is hard-coded to style.ItemSpacing.x).
ImRect r_avoid; ImRect r_avoid;
if (parent_menu->DC.MenuBarAppending) if (parent_window->DC.MenuBarAppending)
r_avoid = ImRect(-FLT_MAX, parent_menu->Pos.y + parent_menu->TitleBarHeight(), FLT_MAX, parent_menu->Pos.y + parent_menu->TitleBarHeight() + parent_menu->MenuBarHeight()); r_avoid = ImRect(-FLT_MAX, parent_window->Pos.y + parent_window->TitleBarHeight(), FLT_MAX, parent_window->Pos.y + parent_window->TitleBarHeight() + parent_window->MenuBarHeight());
else else
r_avoid = ImRect(parent_menu->Pos.x + horizontal_overlap, -FLT_MAX, parent_menu->Pos.x + parent_menu->Size.x - horizontal_overlap - parent_menu->ScrollbarSizes.x, FLT_MAX); r_avoid = ImRect(parent_window->Pos.x + horizontal_overlap, -FLT_MAX, parent_window->Pos.x + parent_window->Size.x - horizontal_overlap - parent_window->ScrollbarSizes.x, FLT_MAX);
return FindBestWindowPosForPopupEx(window->Pos, window->Size, &window->AutoPosLastDirection, r_screen, r_avoid); return FindBestWindowPosForPopupEx(window->Pos, window->Size, &window->AutoPosLastDirection, r_outer, r_avoid);
} }
if (window->Flags & ImGuiWindowFlags_Popup) if (window->Flags & ImGuiWindowFlags_Popup)
{ {
ImRect r_avoid(window->Pos.x - 1, window->Pos.y - 1, window->Pos.x + 1, window->Pos.y + 1); ImRect r_avoid(window->Pos.x - 1, window->Pos.y - 1, window->Pos.x + 1, window->Pos.y + 1);
return FindBestWindowPosForPopupEx(window->Pos, window->Size, &window->AutoPosLastDirection, r_screen, r_avoid); return FindBestWindowPosForPopupEx(window->Pos, window->Size, &window->AutoPosLastDirection, r_outer, r_avoid);
} }
if (window->Flags & ImGuiWindowFlags_Tooltip) if (window->Flags & ImGuiWindowFlags_Tooltip)
{ {
// Position tooltip (always follows mouse) // Position tooltip (always follows mouse)
float sc = g.Style.MouseCursorScale; float sc = g.Style.MouseCursorScale;
ImVec2 ref_pos = (!g.NavDisableHighlight && g.NavDisableMouseHover) ? NavCalcPreferredMousePos() : g.IO.MousePos; ImVec2 ref_pos = (!g.NavDisableHighlight && g.NavDisableMouseHover) ? NavCalcPreferredRefPos() : g.IO.MousePos;
ImRect r_avoid; ImRect r_avoid;
if (!g.NavDisableHighlight && g.NavDisableMouseHover && !(g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableSetMousePos)) if (!g.NavDisableHighlight && g.NavDisableMouseHover && !(g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableSetMousePos))
r_avoid = ImRect(ref_pos.x - 16, ref_pos.y - 8, ref_pos.x + 16, ref_pos.y + 8); r_avoid = ImRect(ref_pos.x - 16, ref_pos.y - 8, ref_pos.x + 16, ref_pos.y + 8);
else else
r_avoid = ImRect(ref_pos.x - 16, ref_pos.y - 8, ref_pos.x + 24 * sc, ref_pos.y + 24 * sc); // FIXME: Hard-coded based on mouse cursor shape expectation. Exact dimension not very important. r_avoid = ImRect(ref_pos.x - 16, ref_pos.y - 8, ref_pos.x + 24 * sc, ref_pos.y + 24 * sc); // FIXME: Hard-coded based on mouse cursor shape expectation. Exact dimension not very important.
ImVec2 pos = FindBestWindowPosForPopupEx(ref_pos, window->Size, &window->AutoPosLastDirection, r_screen, r_avoid); ImVec2 pos = FindBestWindowPosForPopupEx(ref_pos, window->Size, &window->AutoPosLastDirection, r_outer, r_avoid);
if (window->AutoPosLastDirection == ImGuiDir_None) if (window->AutoPosLastDirection == ImGuiDir_None)
pos = ref_pos + ImVec2(2, 2); // If there's not enough room, for tooltip we prefer avoiding the cursor at all cost even if it means that part of the tooltip won't be visible. pos = ref_pos + ImVec2(2, 2); // If there's not enough room, for tooltip we prefer avoiding the cursor at all cost even if it means that part of the tooltip won't be visible.
return pos; return pos;
@ -5447,24 +5449,22 @@ static ImVec2 CalcSizeAutoFit(ImGuiWindow* window, const ImVec2& size_contents)
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
ImGuiStyle& style = g.Style; ImGuiStyle& style = g.Style;
ImGuiWindowFlags flags = window->Flags; if (window->Flags & ImGuiWindowFlags_Tooltip)
ImVec2 size_auto_fit;
if ((flags & ImGuiWindowFlags_Tooltip) != 0)
{ {
// Tooltip always resize. We keep the spacing symmetric on both axises for aesthetic purpose. // Tooltip always resize
size_auto_fit = size_contents; return size_contents;
} }
else else
{ {
// When the window cannot fit all contents (either because of constraints, either because screen is too small): we are growing the size on the other axis to compensate for expected scrollbar. FIXME: Might turn bigger than DisplaySize-WindowPadding. // When the window cannot fit all contents (either because of constraints, either because screen is too small): we are growing the size on the other axis to compensate for expected scrollbar. FIXME: Might turn bigger than DisplaySize-WindowPadding.
size_auto_fit = ImClamp(size_contents, style.WindowMinSize, ImMax(style.WindowMinSize, g.IO.DisplaySize - g.Style.DisplaySafeAreaPadding * 2.0f)); ImVec2 size_auto_fit = ImClamp(size_contents, style.WindowMinSize, ImMax(style.WindowMinSize, g.IO.DisplaySize - g.Style.DisplaySafeAreaPadding * 2.0f));
ImVec2 size_auto_fit_after_constraint = CalcSizeAfterConstraint(window, size_auto_fit); ImVec2 size_auto_fit_after_constraint = CalcSizeAfterConstraint(window, size_auto_fit);
if (size_auto_fit_after_constraint.x < size_contents.x && !(flags & ImGuiWindowFlags_NoScrollbar) && (flags & ImGuiWindowFlags_HorizontalScrollbar)) if (size_auto_fit_after_constraint.x < size_contents.x && !(window->Flags & ImGuiWindowFlags_NoScrollbar) && (window->Flags & ImGuiWindowFlags_HorizontalScrollbar))
size_auto_fit.y += style.ScrollbarSize; size_auto_fit.y += style.ScrollbarSize;
if (size_auto_fit_after_constraint.y < size_contents.y && !(flags & ImGuiWindowFlags_NoScrollbar)) if (size_auto_fit_after_constraint.y < size_contents.y && !(window->Flags & ImGuiWindowFlags_NoScrollbar))
size_auto_fit.x += style.ScrollbarSize; size_auto_fit.x += style.ScrollbarSize;
return size_auto_fit;
} }
return size_auto_fit;
} }
static float GetScrollMaxX(ImGuiWindow* window) static float GetScrollMaxX(ImGuiWindow* window)
@ -6051,7 +6051,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
// Borders // Borders
if (window_border_size > 0.0f) if (window_border_size > 0.0f)
window->DrawList->AddRect(window->Pos, window->Pos+window->Size, GetColorU32(ImGuiCol_Border), window_rounding, ImDrawCornerFlags_All, window_border_size); window->DrawList->AddRect(window->Pos, window->Pos + window->Size, GetColorU32(ImGuiCol_Border), window_rounding, ImDrawCornerFlags_All, window_border_size);
if (border_held != -1) if (border_held != -1)
{ {
ImRect border = GetBorderRect(window, border_held, grip_draw_size, 0.0f); ImRect border = GetBorderRect(window, border_held, grip_draw_size, 0.0f);
@ -6149,7 +6149,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
{ {
ImGuiID id = window->GetID("#COLLAPSE"); ImGuiID id = window->GetID("#COLLAPSE");
ImRect bb(window->Pos + style.FramePadding + ImVec2(1,1), window->Pos + style.FramePadding + ImVec2(g.FontSize,g.FontSize) - ImVec2(1,1)); ImRect bb(window->Pos + style.FramePadding + ImVec2(1,1), window->Pos + style.FramePadding + ImVec2(g.FontSize,g.FontSize) - ImVec2(1,1));
ItemAdd(bb, id); // To allow navigation ItemAdd(bb, id);
if (ButtonBehavior(bb, id, NULL, NULL)) if (ButtonBehavior(bb, id, NULL, NULL))
window->CollapseToggleWanted = true; // Defer collapsing to next frame as we are too far in the Begin() function window->CollapseToggleWanted = true; // Defer collapsing to next frame as we are too far in the Begin() function
RenderNavHighlight(bb, id); RenderNavHighlight(bb, id);
@ -10480,7 +10480,7 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
// Notify OS of text input position for advanced IME (-1 x offset so that Windows IME can cover our cursor. Bit of an extra nicety.) // Notify OS of text input position for advanced IME (-1 x offset so that Windows IME can cover our cursor. Bit of an extra nicety.)
if (is_editable) if (is_editable)
g.OsImePosRequest = ImVec2(cursor_screen_pos.x - 1, cursor_screen_pos.y - g.FontSize); g.PlatformImePos = ImVec2(cursor_screen_pos.x - 1, cursor_screen_pos.y - g.FontSize);
} }
else else
{ {
@ -10787,7 +10787,7 @@ bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboF
ImVec2 size_expected = CalcSizeAfterConstraint(popup_window, CalcSizeAutoFit(popup_window, size_contents)); ImVec2 size_expected = CalcSizeAfterConstraint(popup_window, CalcSizeAutoFit(popup_window, size_contents));
if (flags & ImGuiComboFlags_PopupAlignLeft) if (flags & ImGuiComboFlags_PopupAlignLeft)
popup_window->AutoPosLastDirection = ImGuiDir_Left; popup_window->AutoPosLastDirection = ImGuiDir_Left;
ImRect r_outer = FindScreenRectForWindow(popup_window); ImRect r_outer = FindAllowedExtentRectForWindow(popup_window);
ImVec2 pos = FindBestWindowPosForPopupEx(frame_bb.GetBL(), size_expected, &popup_window->AutoPosLastDirection, r_outer, frame_bb, ImGuiPopupPositionPolicy_ComboBox); ImVec2 pos = FindBestWindowPosForPopupEx(frame_bb.GetBL(), size_expected, &popup_window->AutoPosLastDirection, r_outer, frame_bb, ImGuiPopupPositionPolicy_ComboBox);
SetNextWindowPos(pos); SetNextWindowPos(pos);
} }
@ -11379,6 +11379,7 @@ bool ImGui::BeginMenu(const char* label, bool enabled)
if (menu_is_open) if (menu_is_open)
{ {
// Sub-menus are ChildWindow so that mouse can be hovering across them (otherwise top-most popup menu would steal focus and not allow hovering on parent menu)
SetNextWindowPos(popup_pos, ImGuiCond_Always); SetNextWindowPos(popup_pos, ImGuiCond_Always);
ImGuiWindowFlags flags = ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoSavedSettings | ((window->Flags & (ImGuiWindowFlags_Popup|ImGuiWindowFlags_ChildMenu)) ? ImGuiWindowFlags_ChildMenu|ImGuiWindowFlags_ChildWindow : ImGuiWindowFlags_ChildMenu); ImGuiWindowFlags flags = ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoSavedSettings | ((window->Flags & (ImGuiWindowFlags_Popup|ImGuiWindowFlags_ChildMenu)) ? ImGuiWindowFlags_ChildMenu|ImGuiWindowFlags_ChildWindow : ImGuiWindowFlags_ChildMenu);
menu_is_open = BeginPopupEx(id, flags); // menu_is_open can be 'false' when the popup is completely clipped (e.g. zero size display) menu_is_open = BeginPopupEx(id, flags); // menu_is_open can be 'false' when the popup is completely clipped (e.g. zero size display)
@ -13219,7 +13220,7 @@ static void ImeSetInputScreenPosFn_DefaultImpl(int, int) {}
#endif #endif
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// HELP // HELP, METRICS
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
void ImGui::ShowMetricsWindow(bool* p_open) void ImGui::ShowMetricsWindow(bool* p_open)
@ -13247,8 +13248,8 @@ void ImGui::ShowMetricsWindow(bool* p_open)
return; return;
} }
ImDrawList* overlay_draw_list = ImGui::GetOverlayDrawList(); // Render additional visuals into the top-most draw list ImDrawList* overlay_draw_list = GetOverlayDrawList(); // Render additional visuals into the top-most draw list
if (window && ImGui::IsItemHovered()) if (window && IsItemHovered())
overlay_draw_list->AddRect(window->Pos, window->Pos + window->Size, IM_COL32(255, 255, 0, 255)); overlay_draw_list->AddRect(window->Pos, window->Pos + window->Size, IM_COL32(255, 255, 0, 255));
if (!node_open) if (!node_open)
return; return;

12
imgui.h
View File

@ -790,9 +790,9 @@ enum ImGuiConfigFlags_
// Back-end capabilities flags stored in io.BackendFlags. Set by imgui_impl_xxx or custom back-end. // Back-end capabilities flags stored in io.BackendFlags. Set by imgui_impl_xxx or custom back-end.
enum ImGuiBackendFlags_ enum ImGuiBackendFlags_
{ {
ImGuiBackendFlags_HasGamepad = 1 << 0, // Back-end has a connected gamepad. ImGuiBackendFlags_HasGamepad = 1 << 0, // Back-end supports and has a connected gamepad.
ImGuiBackendFlags_HasMouseCursors = 1 << 1, // Back-end can honor GetMouseCursor() values and change the OS cursor shape. ImGuiBackendFlags_HasMouseCursors = 1 << 1, // Back-end supports reading GetMouseCursor() to change the OS cursor shape.
ImGuiBackendFlags_HasSetMousePos = 1 << 2 // Back-end can honor io.WantSetMousePos and reposition the mouse (only used if ImGuiConfigFlags_NavEnableSetMousePos is set). ImGuiBackendFlags_HasSetMousePos = 1 << 2 // Back-end supports io.WantSetMousePos requests to reposition the OS mouse position (only used if ImGuiConfigFlags_NavEnableSetMousePos is set).
}; };
// Enumeration for PushStyleColor() / PopStyleColor() // Enumeration for PushStyleColor() / PopStyleColor()
@ -1053,8 +1053,8 @@ struct ImGuiIO
ImVec2 MousePos; // Mouse position, in pixels. Set to ImVec2(-FLT_MAX,-FLT_MAX) if mouse is unavailable (on another screen, etc.) ImVec2 MousePos; // Mouse position, in pixels. Set to ImVec2(-FLT_MAX,-FLT_MAX) if mouse is unavailable (on another screen, etc.)
bool MouseDown[5]; // Mouse buttons: left, right, middle + extras. ImGui itself mostly only uses left button (BeginPopupContext** are using right button). Others buttons allows us to track if the mouse is being used by your application + available to user as a convenience via IsMouse** API. bool MouseDown[5]; // Mouse buttons: left, right, middle + extras. ImGui itself mostly only uses left button (BeginPopupContext** are using right button). Others buttons allows us to track if the mouse is being used by your application + available to user as a convenience via IsMouse** API.
float MouseWheel; // Mouse wheel: 1 unit scrolls about 5 lines text. float MouseWheel; // Mouse wheel Vertical: 1 unit scrolls about 5 lines text.
float MouseWheelH; // Mouse wheel (Horizontal). Most users don't have a mouse with an horizontal wheel, may not be filled by all back-ends. float MouseWheelH; // Mouse wheel Horizontal. Most users don't have a mouse with an horizontal wheel, may not be filled by all back-ends.
bool MouseDrawCursor; // Request ImGui to draw a mouse cursor for you (if you are on a platform without a mouse cursor). bool MouseDrawCursor; // Request ImGui to draw a mouse cursor for you (if you are on a platform without a mouse cursor).
bool KeyCtrl; // Keyboard modifier pressed: Control bool KeyCtrl; // Keyboard modifier pressed: Control
bool KeyShift; // Keyboard modifier pressed: Shift bool KeyShift; // Keyboard modifier pressed: Shift
@ -1686,7 +1686,7 @@ enum ImFontAtlasFlags_
// 2. Call GetTexDataAsAlpha8() or GetTexDataAsRGBA32() to build and retrieve pixels data. // 2. Call GetTexDataAsAlpha8() or GetTexDataAsRGBA32() to build and retrieve pixels data.
// 3. Upload the pixels data into a texture within your graphics system. // 3. Upload the pixels data into a texture within your graphics system.
// 4. Call SetTexID(my_tex_id); and pass the pointer/identifier to your texture. This value will be passed back to you during rendering to identify the texture. // 4. Call SetTexID(my_tex_id); and pass the pointer/identifier to your texture. This value will be passed back to you during rendering to identify the texture.
// IMPORTANT: If you pass a 'glyph_ranges' array to AddFont*** functions, you need to make sure that your array persist up until the ImFont is build (when calling GetTextData*** or Build()). We only copy the pointer, not the data. // IMPORTANT: If you pass a 'glyph_ranges' array to AddFont*** functions, you need to make sure that your array persist up until the ImFont is build (when calling GetTexData*** or Build()). We only copy the pointer, not the data.
struct ImFontAtlas struct ImFontAtlas
{ {
IMGUI_API ImFontAtlas(); IMGUI_API ImFontAtlas();

1
imgui_demo.cpp
View File

@ -1865,6 +1865,7 @@ void ImGui::ShowDemoWindow(bool* p_open)
ImGui::Text("Mouse pos: (%g, %g)", io.MousePos.x, io.MousePos.y); ImGui::Text("Mouse pos: (%g, %g)", io.MousePos.x, io.MousePos.y);
else else
ImGui::Text("Mouse pos: <INVALID>"); ImGui::Text("Mouse pos: <INVALID>");
ImGui::Text("Mouse delta: (%g, %g)", io.MouseDelta.x, io.MouseDelta.y);
ImGui::Text("Mouse down:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (io.MouseDownDuration[i] >= 0.0f) { ImGui::SameLine(); ImGui::Text("b%d (%.02f secs)", i, io.MouseDownDuration[i]); } ImGui::Text("Mouse down:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (io.MouseDownDuration[i] >= 0.0f) { ImGui::SameLine(); ImGui::Text("b%d (%.02f secs)", i, io.MouseDownDuration[i]); }
ImGui::Text("Mouse clicked:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseClicked(i)) { ImGui::SameLine(); ImGui::Text("b%d", i); } ImGui::Text("Mouse clicked:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseClicked(i)) { ImGui::SameLine(); ImGui::Text("b%d", i); }
ImGui::Text("Mouse dbl-clicked:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseDoubleClicked(i)) { ImGui::SameLine(); ImGui::Text("b%d", i); } ImGui::Text("Mouse dbl-clicked:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseDoubleClicked(i)) { ImGui::SameLine(); ImGui::Text("b%d", i); }

31
imgui_internal.h
View File

@ -322,7 +322,7 @@ struct IMGUI_API ImRect
void Add(const ImRect& r) { if (Min.x > r.Min.x) Min.x = r.Min.x; if (Min.y > r.Min.y) Min.y = r.Min.y; if (Max.x < r.Max.x) Max.x = r.Max.x; if (Max.y < r.Max.y) Max.y = r.Max.y; } void Add(const ImRect& r) { if (Min.x > r.Min.x) Min.x = r.Min.x; if (Min.y > r.Min.y) Min.y = r.Min.y; if (Max.x < r.Max.x) Max.x = r.Max.x; if (Max.y < r.Max.y) Max.y = r.Max.y; }
void Expand(const float amount) { Min.x -= amount; Min.y -= amount; Max.x += amount; Max.y += amount; } 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 Expand(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 Translate(const ImVec2& d) { Min.x += d.x; Min.y += d.y; Max.x += d.x; Max.y += d.y; }
void ClipWith(const ImRect& r) { Min = ImMax(Min, r.Min); Max = ImMin(Max, r.Max); } // Simple version, may lead to an inverted rectangle, which is fine for Contains/Overlaps test but not for display. void ClipWith(const ImRect& r) { Min = ImMax(Min, r.Min); Max = ImMin(Max, r.Max); } // Simple version, may lead to an inverted rectangle, which is fine for Contains/Overlaps test but not for display.
void ClipWithFull(const ImRect& r) { Min = ImClamp(Min, r.Min, r.Max); Max = ImClamp(Max, r.Min, r.Max); } // Full version, ensure both points are fully clipped. void ClipWithFull(const ImRect& r) { Min = ImClamp(Min, r.Min, r.Max); Max = ImClamp(Max, r.Min, r.Max); } // Full version, ensure both points are fully clipped.
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; } 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; }
@ -414,9 +414,9 @@ struct ImGuiSettingsHandler
{ {
const char* TypeName; // Short description stored in .ini file. Disallowed characters: '[' ']' const char* TypeName; // Short description stored in .ini file. Disallowed characters: '[' ']'
ImGuiID TypeHash; // == ImHash(TypeName, 0, 0) ImGuiID TypeHash; // == ImHash(TypeName, 0, 0)
void* (*ReadOpenFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, const char* name); void* (*ReadOpenFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, const char* name); // Read: Called when entering into a new ini entry e.g. "[Window][Name]"
void (*ReadLineFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, void* entry, const char* line); void (*ReadLineFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, void* entry, const char* line); // Read: Called for every line of text within an ini entry
void (*WriteAllFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, ImGuiTextBuffer* out_buf); void (*WriteAllFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, ImGuiTextBuffer* out_buf); // Write: Output every entries into 'out_buf'
void* UserData; void* UserData;
ImGuiSettingsHandler() { memset(this, 0, sizeof(*this)); } ImGuiSettingsHandler() { memset(this, 0, sizeof(*this)); }
@ -528,7 +528,7 @@ struct ImGuiNextWindowData
ImVec2 SizeVal; ImVec2 SizeVal;
ImVec2 ContentSizeVal; ImVec2 ContentSizeVal;
bool CollapsedVal; bool CollapsedVal;
ImRect SizeConstraintRect; // Valid if 'SetNextWindowSizeConstraint' is true ImRect SizeConstraintRect;
ImGuiSizeCallback SizeCallback; ImGuiSizeCallback SizeCallback;
void* SizeCallbackUserData; void* SizeCallbackUserData;
float BgAlphaVal; float BgAlphaVal;
@ -671,7 +671,7 @@ struct ImGuiContext
ImVec2 ScrollbarClickDeltaToGrabCenter; // Distance between mouse and center of grab box, normalized in parent space. Use storage? ImVec2 ScrollbarClickDeltaToGrabCenter; // Distance between mouse and center of grab box, normalized in parent space. Use storage?
int TooltipOverrideCount; int TooltipOverrideCount;
ImVector<char> PrivateClipboard; // If no custom clipboard handler is defined ImVector<char> PrivateClipboard; // If no custom clipboard handler is defined
ImVec2 OsImePosRequest, OsImePosSet; // Cursor position request & last passed to the OS Input Method Editor ImVec2 PlatformImePos, PlatformImeLastPos; // Cursor position request & last passed to the OS Input Method Editor
// Settings // Settings
bool SettingsLoaded; bool SettingsLoaded;
@ -687,13 +687,13 @@ struct ImGuiContext
int LogAutoExpandMaxDepth; int LogAutoExpandMaxDepth;
// Misc // Misc
float FramerateSecPerFrame[120]; // calculate estimate of framerate for user float FramerateSecPerFrame[120]; // Calculate estimate of framerate for user over the last 2 seconds.
int FramerateSecPerFrameIdx; int FramerateSecPerFrameIdx;
float FramerateSecPerFrameAccum; float FramerateSecPerFrameAccum;
int WantCaptureMouseNextFrame; // explicit capture via CaptureInputs() sets those flags int WantCaptureMouseNextFrame; // Explicit capture via CaptureKeyboardFromApp()/CaptureMouseFromApp() sets those flags
int WantCaptureKeyboardNextFrame; int WantCaptureKeyboardNextFrame;
int WantTextInputNextFrame; int WantTextInputNextFrame;
char TempBuffer[1024*3+1]; // temporary text buffer char TempBuffer[1024*3+1]; // Temporary text buffer
ImGuiContext(ImFontAtlas* shared_font_atlas) : OverlayDrawList(NULL) ImGuiContext(ImFontAtlas* shared_font_atlas) : OverlayDrawList(NULL)
{ {
@ -775,7 +775,7 @@ struct ImGuiContext
DragSpeedScaleFast = 10.0f; DragSpeedScaleFast = 10.0f;
ScrollbarClickDeltaToGrabCenter = ImVec2(0.0f, 0.0f); ScrollbarClickDeltaToGrabCenter = ImVec2(0.0f, 0.0f);
TooltipOverrideCount = 0; TooltipOverrideCount = 0;
OsImePosRequest = OsImePosSet = ImVec2(-1.0f, -1.0f); PlatformImePos = PlatformImeLastPos = ImVec2(FLT_MAX, FLT_MAX);
SettingsLoaded = false; SettingsLoaded = false;
SettingsDirtyTimer = 0.0f; SettingsDirtyTimer = 0.0f;
@ -907,8 +907,8 @@ struct IMGUI_API ImGuiWindow
ImVec2 Scroll; ImVec2 Scroll;
ImVec2 ScrollTarget; // target scroll position. stored as cursor position with scrolling canceled out, so the highest point is always 0.0f. (FLT_MAX for no change) ImVec2 ScrollTarget; // target scroll position. stored as cursor position with scrolling canceled out, so the highest point is always 0.0f. (FLT_MAX for no change)
ImVec2 ScrollTargetCenterRatio; // 0.0f = scroll so that target position is at top, 0.5f = scroll so that target position is centered ImVec2 ScrollTargetCenterRatio; // 0.0f = scroll so that target position is at top, 0.5f = scroll so that target position is centered
bool ScrollbarX, ScrollbarY;
ImVec2 ScrollbarSizes; ImVec2 ScrollbarSizes;
bool ScrollbarX, ScrollbarY;
bool Active; // Set to true on Begin(), unless Collapsed bool Active; // Set to true on Begin(), unless Collapsed
bool WasActive; bool WasActive;
bool WriteAccessed; // Set to true when any widget access the current window bool WriteAccessed; // Set to true when any widget access the current window
@ -926,9 +926,9 @@ struct IMGUI_API ImGuiWindow
int AutoFitChildAxises; int AutoFitChildAxises;
ImGuiDir AutoPosLastDirection; ImGuiDir AutoPosLastDirection;
int HiddenFrames; int HiddenFrames;
ImGuiCond SetWindowPosAllowFlags; // store condition flags for next SetWindowPos() call. ImGuiCond SetWindowPosAllowFlags; // store acceptable condition flags for SetNextWindowPos() use.
ImGuiCond SetWindowSizeAllowFlags; // store condition flags for next SetWindowSize() call. ImGuiCond SetWindowSizeAllowFlags; // store acceptable condition flags for SetNextWindowSize() use.
ImGuiCond SetWindowCollapsedAllowFlags; // store condition flags for next SetWindowCollapsed() call. ImGuiCond SetWindowCollapsedAllowFlags; // store acceptable condition flags for SetNextWindowCollapsed() use.
ImVec2 SetWindowPosVal; // store window position when using a non-zero Pivot (position set needs to be processed when we know the window size) ImVec2 SetWindowPosVal; // store window position when using a non-zero Pivot (position set needs to be processed when we know the window size)
ImVec2 SetWindowPosPivot; // store window pivot for positioning. ImVec2(0,0) when positioning from top-left corner; ImVec2(0.5f,0.5f) for centering; ImVec2(1,1) for bottom right. ImVec2 SetWindowPosPivot; // store window pivot for positioning. ImVec2(0,0) when positioning from top-left corner; ImVec2(0.5f,0.5f) for centering; ImVec2(1,1) for bottom right.
@ -942,7 +942,8 @@ struct IMGUI_API ImGuiWindow
ImGuiMenuColumns MenuColumns; // Simplified columns storage for menu items ImGuiMenuColumns MenuColumns; // Simplified columns storage for menu items
ImGuiStorage StateStorage; ImGuiStorage StateStorage;
ImVector<ImGuiColumnsSet> ColumnsStorage; ImVector<ImGuiColumnsSet> ColumnsStorage;
float FontWindowScale; // Scale multiplier per-window float FontWindowScale; // User scale multiplier per-window
ImDrawList* DrawList; // == &DrawListInst (for backward compatibility reason with code using imgui_internal.h we keep this a pointer) ImDrawList* DrawList; // == &DrawListInst (for backward compatibility reason with code using imgui_internal.h we keep this a pointer)
ImDrawList DrawListInst; ImDrawList DrawListInst;
ImGuiWindow* ParentWindow; // If we are a child _or_ popup window, this is pointing to our parent. Otherwise NULL. ImGuiWindow* ParentWindow; // If we are a child _or_ popup window, this is pointing to our parent. Otherwise NULL.