Updated ImGui.

This commit is contained in:
Branimir Karadžić 2018-07-12 09:05:12 -07:00
parent 848309f10f
commit 1ab3a2b516
5 changed files with 306 additions and 267 deletions

View File

@ -857,7 +857,6 @@ static const ImU64 IM_U64_MAX = 0xFFFFFFFFFFFFFFFFull;
static bool IsKeyPressedMap(ImGuiKey key, bool repeat = true); static bool IsKeyPressedMap(ImGuiKey key, bool repeat = true);
static ImFont* GetDefaultFont();
static void SetCurrentWindow(ImGuiWindow* window); static void SetCurrentWindow(ImGuiWindow* window);
static void SetWindowScrollX(ImGuiWindow* window, float new_scroll_x); static void SetWindowScrollX(ImGuiWindow* window, float new_scroll_x);
static void SetWindowScrollY(ImGuiWindow* window, float new_scroll_y); static void SetWindowScrollY(ImGuiWindow* window, float new_scroll_y);
@ -866,6 +865,7 @@ static void SetWindowSize(ImGuiWindow* window, const ImVec2& size, I
static void SetWindowCollapsed(ImGuiWindow* window, bool collapsed, ImGuiCond cond); static void SetWindowCollapsed(ImGuiWindow* window, bool collapsed, ImGuiCond cond);
static void FindHoveredWindow(); static void FindHoveredWindow();
static ImGuiWindow* CreateNewWindow(const char* name, ImVec2 size, ImGuiWindowFlags flags); static ImGuiWindow* CreateNewWindow(const char* name, ImVec2 size, ImGuiWindowFlags flags);
static ImGuiWindowSettings* CreateNewWindowSettings(const char* name);
static void CheckStacksSize(ImGuiWindow* window, bool write); static void CheckStacksSize(ImGuiWindow* window, bool write);
static ImVec2 CalcNextScrollFromScrollTargetAndClamp(ImGuiWindow* window, bool snap_on_edges); static ImVec2 CalcNextScrollFromScrollTargetAndClamp(ImGuiWindow* window, bool snap_on_edges);
@ -873,12 +873,8 @@ static void AddDrawListToDrawData(ImVector<ImDrawList*>* out_list, I
static void AddWindowToDrawData(ImVector<ImDrawList*>* out_list, ImGuiWindow* window); static void AddWindowToDrawData(ImVector<ImDrawList*>* out_list, ImGuiWindow* window);
static void AddWindowToSortedBuffer(ImVector<ImGuiWindow*>* out_sorted_windows, ImGuiWindow* window); static void AddWindowToSortedBuffer(ImVector<ImGuiWindow*>* out_sorted_windows, ImGuiWindow* window);
static ImGuiWindowSettings* AddWindowSettings(const char* name);
static ImRect GetViewportRect(); static ImRect GetViewportRect();
static void ClosePopupToLevel(int remaining);
static bool InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags flags, ImGuiTextEditCallback callback, void* user_data); static bool InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags flags, ImGuiTextEditCallback callback, void* user_data);
static int InputTextCalcTextLenAndLineCount(const char* text_begin, const char** out_text_end); static int InputTextCalcTextLenAndLineCount(const char* text_begin, const char** out_text_end);
static ImVec2 InputTextCalcTextSizeW(const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining = NULL, ImVec2* out_offset = NULL, bool stop_on_new_line = false); static ImVec2 InputTextCalcTextSizeW(const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining = NULL, ImVec2* out_offset = NULL, bool stop_on_new_line = false);
@ -1700,7 +1696,7 @@ void ImGuiStorage::BuildSortByKey()
} }
}; };
if (Data.Size > 1) if (Data.Size > 1)
qsort(Data.Data, (size_t)Data.Size, sizeof(Pair), StaticFunc::PairCompareByID); ImQsort(Data.Data, (size_t)Data.Size, sizeof(Pair), StaticFunc::PairCompareByID);
} }
int ImGuiStorage::GetInt(ImGuiID key, int default_val) const int ImGuiStorage::GetInt(ImGuiID key, int default_val) const
@ -3201,11 +3197,11 @@ void ImGui::NavUpdateWindowingList()
} }
if (g.NavWindowingList == NULL) if (g.NavWindowingList == NULL)
g.NavWindowingList = FindWindowByName("###NavWindowList"); g.NavWindowingList = FindWindowByName("###NavWindowingList");
SetNextWindowSizeConstraints(ImVec2(g.IO.DisplaySize.x * 0.20f, g.IO.DisplaySize.y * 0.20f), ImVec2(FLT_MAX, FLT_MAX)); SetNextWindowSizeConstraints(ImVec2(g.IO.DisplaySize.x * 0.20f, g.IO.DisplaySize.y * 0.20f), ImVec2(FLT_MAX, FLT_MAX));
SetNextWindowPos(g.IO.DisplaySize * 0.5f, ImGuiCond_Always, ImVec2(0.5f, 0.5f)); SetNextWindowPos(g.IO.DisplaySize * 0.5f, ImGuiCond_Always, ImVec2(0.5f, 0.5f));
PushStyleVar(ImGuiStyleVar_WindowPadding, g.Style.WindowPadding * 2.0f); PushStyleVar(ImGuiStyleVar_WindowPadding, g.Style.WindowPadding * 2.0f);
Begin("###NavWindowList", NULL, ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoNav | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoInputs | ImGuiWindowFlags_AlwaysAutoResize); Begin("###NavWindowingList", NULL, ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoNav | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoInputs | ImGuiWindowFlags_AlwaysAutoResize);
for (int n = g.Windows.Size - 1; n >= 0; n--) for (int n = g.Windows.Size - 1; n >= 0; n--)
{ {
ImGuiWindow* window = g.Windows[n]; ImGuiWindow* window = g.Windows[n];
@ -3969,7 +3965,7 @@ static void* SettingsHandlerWindow_ReadOpen(ImGuiContext*, ImGuiSettingsHandler*
{ {
ImGuiWindowSettings* settings = ImGui::FindWindowSettings(ImHash(name, 0)); ImGuiWindowSettings* settings = ImGui::FindWindowSettings(ImHash(name, 0));
if (!settings) if (!settings)
settings = AddWindowSettings(name); settings = CreateNewWindowSettings(name);
return (void*)settings; return (void*)settings;
} }
@ -3996,7 +3992,7 @@ static void SettingsHandlerWindow_WriteAll(ImGuiContext* imgui_ctx, ImGuiSetting
ImGuiWindowSettings* settings = (window->SettingsIdx != -1) ? &g.SettingsWindows[window->SettingsIdx] : ImGui::FindWindowSettings(window->ID); ImGuiWindowSettings* settings = (window->SettingsIdx != -1) ? &g.SettingsWindows[window->SettingsIdx] : ImGui::FindWindowSettings(window->ID);
if (!settings) if (!settings)
{ {
settings = AddWindowSettings(window->Name); settings = CreateNewWindowSettings(window->Name);
window->SettingsIdx = g.SettingsWindows.index_from_pointer(settings); window->SettingsIdx = g.SettingsWindows.index_from_pointer(settings);
} }
IM_ASSERT(settings->ID == window->ID); IM_ASSERT(settings->ID == window->ID);
@ -4107,7 +4103,7 @@ ImGuiWindowSettings* ImGui::FindWindowSettings(ImGuiID id)
return NULL; return NULL;
} }
static ImGuiWindowSettings* AddWindowSettings(const char* name) static ImGuiWindowSettings* CreateNewWindowSettings(const char* name)
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
g.SettingsWindows.push_back(ImGuiWindowSettings()); g.SettingsWindows.push_back(ImGuiWindowSettings());
@ -4265,7 +4261,7 @@ static void AddWindowToSortedBuffer(ImVector<ImGuiWindow*>* out_sorted_windows,
{ {
int count = window->DC.ChildWindows.Size; int count = window->DC.ChildWindows.Size;
if (count > 1) if (count > 1)
qsort(window->DC.ChildWindows.begin(), (size_t)count, sizeof(ImGuiWindow*), ChildWindowComparer); ImQsort(window->DC.ChildWindows.begin(), (size_t)count, sizeof(ImGuiWindow*), ChildWindowComparer);
for (int i = 0; i < count; i++) for (int i = 0; i < count; i++)
{ {
ImGuiWindow* child = window->DC.ChildWindows[i]; ImGuiWindow* child = window->DC.ChildWindows[i];
@ -5352,14 +5348,14 @@ ImGuiWindow* ImGui::GetFrontMostPopupModal()
return NULL; return NULL;
} }
static void ClosePopupToLevel(int remaining) void ImGui::ClosePopupToLevel(int remaining)
{ {
IM_ASSERT(remaining >= 0); IM_ASSERT(remaining >= 0);
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
ImGuiWindow* focus_window = (remaining > 0) ? g.OpenPopupStack[remaining-1].Window : g.OpenPopupStack[0].ParentWindow; ImGuiWindow* focus_window = (remaining > 0) ? g.OpenPopupStack[remaining-1].Window : g.OpenPopupStack[0].ParentWindow;
if (g.NavLayer == 0) if (g.NavLayer == 0)
focus_window = NavRestoreLastChildNavWindow(focus_window); focus_window = NavRestoreLastChildNavWindow(focus_window);
ImGui::FocusWindow(focus_window); FocusWindow(focus_window);
focus_window->DC.NavHideHighlightOneFrame = true; focus_window->DC.NavHideHighlightOneFrame = true;
g.OpenPopupStack.resize(remaining); g.OpenPopupStack.resize(remaining);
} }
@ -6462,7 +6458,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
const bool dim_bg_for_window_list = g.NavWindowingTarget && (window == g.NavWindowingTarget->RootWindow); const bool dim_bg_for_window_list = g.NavWindowingTarget && (window == g.NavWindowingTarget->RootWindow);
if (dim_bg_for_modal || dim_bg_for_window_list) if (dim_bg_for_modal || dim_bg_for_window_list)
{ {
const ImU32 dim_bg_col = GetColorU32(dim_bg_for_modal ? ImGuiCol_ModalWindowDimBg : ImGuiCol_NavWindowListDimBg, g.DimBgRatio); const ImU32 dim_bg_col = GetColorU32(dim_bg_for_modal ? ImGuiCol_ModalWindowDimBg : ImGuiCol_NavWindowingDimBg, g.DimBgRatio);
window->DrawList->AddRectFilled(viewport_rect.Min, viewport_rect.Max, dim_bg_col); window->DrawList->AddRectFilled(viewport_rect.Min, viewport_rect.Max, dim_bg_col);
} }
@ -6472,7 +6468,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
ImRect bb = window->Rect(); ImRect bb = window->Rect();
bb.Expand(g.FontSize); bb.Expand(g.FontSize);
if (!bb.Contains(viewport_rect)) // Avoid drawing if the window covers all the viewport anyway if (!bb.Contains(viewport_rect)) // Avoid drawing if the window covers all the viewport anyway
window->DrawList->AddRectFilled(bb.Min, bb.Max, GetColorU32(ImGuiCol_NavWindowListHighlight, g.NavWindowingHighlightAlpha * 0.25f), g.Style.WindowRounding); window->DrawList->AddRectFilled(bb.Min, bb.Max, GetColorU32(ImGuiCol_NavWindowingHighlight, g.NavWindowingHighlightAlpha * 0.25f), g.Style.WindowRounding);
} }
// Draw window + handle manual resize // Draw window + handle manual resize
@ -6559,7 +6555,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
bb.Expand(-g.FontSize - 1.0f); bb.Expand(-g.FontSize - 1.0f);
rounding = window->WindowRounding; rounding = window->WindowRounding;
} }
window->DrawList->AddRect(bb.Min, bb.Max, GetColorU32(ImGuiCol_NavWindowListHighlight, g.NavWindowingHighlightAlpha), rounding, ~0, 3.0f); window->DrawList->AddRect(bb.Min, bb.Max, GetColorU32(ImGuiCol_NavWindowingHighlight, g.NavWindowingHighlightAlpha), rounding, ~0, 3.0f);
} }
// Store a backup of SizeFull which we will use next frame to decide if we need scrollbars. // Store a backup of SizeFull which we will use next frame to decide if we need scrollbars.
@ -7006,12 +7002,6 @@ float ImGui::CalcItemWidth()
return w; return w;
} }
static ImFont* GetDefaultFont()
{
ImGuiContext& g = *GImGui;
return g.IO.FontDefault ? g.IO.FontDefault : g.IO.Fonts->Fonts[0];
}
void ImGui::SetCurrentFont(ImFont* font) void ImGui::SetCurrentFont(ImFont* font)
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
@ -7258,8 +7248,8 @@ const char* ImGui::GetStyleColorName(ImGuiCol idx)
case ImGuiCol_TextSelectedBg: return "TextSelectedBg"; case ImGuiCol_TextSelectedBg: return "TextSelectedBg";
case ImGuiCol_DragDropTarget: return "DragDropTarget"; case ImGuiCol_DragDropTarget: return "DragDropTarget";
case ImGuiCol_NavHighlight: return "NavHighlight"; case ImGuiCol_NavHighlight: return "NavHighlight";
case ImGuiCol_NavWindowListHighlight: return "NavWindowListHighlight"; case ImGuiCol_NavWindowingHighlight: return "NavWindowingHighlight";
case ImGuiCol_NavWindowListDimBg: return "NavWindowListDimBg"; case ImGuiCol_NavWindowingDimBg: return "NavWindowingDimBg";
case ImGuiCol_ModalWindowDimBg: return "ModalWindowDimBg"; case ImGuiCol_ModalWindowDimBg: return "ModalWindowDimBg";
} }
IM_ASSERT(0); IM_ASSERT(0);

View File

@ -897,8 +897,8 @@ enum ImGuiCol_
ImGuiCol_TextSelectedBg, ImGuiCol_TextSelectedBg,
ImGuiCol_DragDropTarget, ImGuiCol_DragDropTarget,
ImGuiCol_NavHighlight, // Gamepad/keyboard: current highlighted item ImGuiCol_NavHighlight, // Gamepad/keyboard: current highlighted item
ImGuiCol_NavWindowListHighlight,// Highlight window when using CTRL+TAB ImGuiCol_NavWindowingHighlight, // Highlight window when using CTRL+TAB
ImGuiCol_NavWindowListDimBg, // Darken/colorize entire screen behind the CTRL+TAB window list, when active ImGuiCol_NavWindowingDimBg, // Darken/colorize entire screen behind the CTRL+TAB window list, when active
ImGuiCol_ModalWindowDimBg, // Darken/colorize entire screen behind a modal window, when one is active ImGuiCol_ModalWindowDimBg, // Darken/colorize entire screen behind a modal window, when one is active
ImGuiCol_COUNT ImGuiCol_COUNT

View File

@ -77,6 +77,7 @@
#if !defined(IMGUI_DISABLE_DEMO_WINDOWS) #if !defined(IMGUI_DISABLE_DEMO_WINDOWS)
// Forward Declarations // Forward Declarations
static void ShowExampleAppMainMenuBar();
static void ShowExampleAppConsole(bool* p_open); static void ShowExampleAppConsole(bool* p_open);
static void ShowExampleAppLog(bool* p_open); static void ShowExampleAppLog(bool* p_open);
static void ShowExampleAppLayout(bool* p_open); static void ShowExampleAppLayout(bool* p_open);
@ -87,7 +88,6 @@ static void ShowExampleAppConstrainedResize(bool* p_open);
static void ShowExampleAppSimpleOverlay(bool* p_open); static void ShowExampleAppSimpleOverlay(bool* p_open);
static void ShowExampleAppWindowTitles(bool* p_open); static void ShowExampleAppWindowTitles(bool* p_open);
static void ShowExampleAppCustomRendering(bool* p_open); static void ShowExampleAppCustomRendering(bool* p_open);
static void ShowExampleAppMainMenuBar();
static void ShowExampleMenuFile(); static void ShowExampleMenuFile();
// Helper to display a little (?) mark which shows a tooltip when hovered. // Helper to display a little (?) mark which shows a tooltip when hovered.
@ -2252,6 +2252,7 @@ void ImGui::ShowDemoWindow(bool* p_open)
} }
} }
// End of ShowDemoWindow()
ImGui::End(); ImGui::End();
} }
@ -2517,6 +2518,10 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
ImGui::PopItemWidth(); ImGui::PopItemWidth();
} }
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: MAIN MENU BAR
//-----------------------------------------------------------------------------
// Demonstrate creating a fullscreen menu bar and populating it. // Demonstrate creating a fullscreen menu bar and populating it.
static void ShowExampleAppMainMenuBar() static void ShowExampleAppMainMenuBar()
{ {
@ -2606,235 +2611,9 @@ static void ShowExampleMenuFile()
if (ImGui::MenuItem("Quit", "Alt+F4")) {} if (ImGui::MenuItem("Quit", "Alt+F4")) {}
} }
// Demonstrate creating a window which gets auto-resized according to its content. //-----------------------------------------------------------------------------
static void ShowExampleAppAutoResize(bool* p_open) // EXAMPLE APP CODE: CONSOLE
{ //-----------------------------------------------------------------------------
if (!ImGui::Begin("Example: Auto-resizing window", p_open, ImGuiWindowFlags_AlwaysAutoResize))
{
ImGui::End();
return;
}
static int lines = 10;
ImGui::Text("Window will resize every-frame to the size of its content.\nNote that you probably don't want to query the window size to\noutput your content because that would create a feedback loop.");
ImGui::SliderInt("Number of lines", &lines, 1, 20);
for (int i = 0; i < lines; i++)
ImGui::Text("%*sThis is line %d", i*4, "", i); // Pad with space to extend size horizontally
ImGui::End();
}
// Demonstrate creating a window with custom resize constraints.
static void ShowExampleAppConstrainedResize(bool* p_open)
{
struct CustomConstraints // Helper functions to demonstrate programmatic constraints
{
static void Square(ImGuiSizeCallbackData* data) { data->DesiredSize = ImVec2(IM_MAX(data->DesiredSize.x, data->DesiredSize.y), IM_MAX(data->DesiredSize.x, data->DesiredSize.y)); }
static void Step(ImGuiSizeCallbackData* data) { float step = (float)(int)(intptr_t)data->UserData; data->DesiredSize = ImVec2((int)(data->DesiredSize.x / step + 0.5f) * step, (int)(data->DesiredSize.y / step + 0.5f) * step); }
};
static bool auto_resize = false;
static int type = 0;
static int display_lines = 10;
if (type == 0) ImGui::SetNextWindowSizeConstraints(ImVec2(-1, 0), ImVec2(-1, FLT_MAX)); // Vertical only
if (type == 1) ImGui::SetNextWindowSizeConstraints(ImVec2(0, -1), ImVec2(FLT_MAX, -1)); // Horizontal only
if (type == 2) ImGui::SetNextWindowSizeConstraints(ImVec2(100, 100), ImVec2(FLT_MAX, FLT_MAX)); // Width > 100, Height > 100
if (type == 3) ImGui::SetNextWindowSizeConstraints(ImVec2(400, -1), ImVec2(500, -1)); // Width 400-500
if (type == 4) ImGui::SetNextWindowSizeConstraints(ImVec2(-1, 400), ImVec2(-1, 500)); // Height 400-500
if (type == 5) ImGui::SetNextWindowSizeConstraints(ImVec2(0, 0), ImVec2(FLT_MAX, FLT_MAX), CustomConstraints::Square); // Always Square
if (type == 6) ImGui::SetNextWindowSizeConstraints(ImVec2(0, 0), ImVec2(FLT_MAX, FLT_MAX), CustomConstraints::Step, (void*)100);// Fixed Step
ImGuiWindowFlags flags = auto_resize ? ImGuiWindowFlags_AlwaysAutoResize : 0;
if (ImGui::Begin("Example: Constrained Resize", p_open, flags))
{
const char* desc[] =
{
"Resize vertical only",
"Resize horizontal only",
"Width > 100, Height > 100",
"Width 400-500",
"Height 400-500",
"Custom: Always Square",
"Custom: Fixed Steps (100)",
};
if (ImGui::Button("200x200")) { ImGui::SetWindowSize(ImVec2(200, 200)); } ImGui::SameLine();
if (ImGui::Button("500x500")) { ImGui::SetWindowSize(ImVec2(500, 500)); } ImGui::SameLine();
if (ImGui::Button("800x200")) { ImGui::SetWindowSize(ImVec2(800, 200)); }
ImGui::PushItemWidth(200);
ImGui::Combo("Constraint", &type, desc, IM_ARRAYSIZE(desc));
ImGui::DragInt("Lines", &display_lines, 0.2f, 1, 100);
ImGui::PopItemWidth();
ImGui::Checkbox("Auto-resize", &auto_resize);
for (int i = 0; i < display_lines; i++)
ImGui::Text("%*sHello, sailor! Making this line long enough for the example.", i * 4, "");
}
ImGui::End();
}
// Demonstrate creating a simple static window with no decoration + a context-menu to choose which corner of the screen to use.
static void ShowExampleAppSimpleOverlay(bool* p_open)
{
const float DISTANCE = 10.0f;
static int corner = 0;
ImVec2 window_pos = ImVec2((corner & 1) ? ImGui::GetIO().DisplaySize.x - DISTANCE : DISTANCE, (corner & 2) ? ImGui::GetIO().DisplaySize.y - DISTANCE : DISTANCE);
ImVec2 window_pos_pivot = ImVec2((corner & 1) ? 1.0f : 0.0f, (corner & 2) ? 1.0f : 0.0f);
if (corner != -1)
ImGui::SetNextWindowPos(window_pos, ImGuiCond_Always, window_pos_pivot);
ImGui::SetNextWindowBgAlpha(0.3f); // Transparent background
if (ImGui::Begin("Example: Simple Overlay", p_open, (corner != -1 ? ImGuiWindowFlags_NoMove : 0) | ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoSavedSettings|ImGuiWindowFlags_NoFocusOnAppearing|ImGuiWindowFlags_NoNav))
{
ImGui::Text("Simple overlay\n" "in the corner of the screen.\n" "(right-click to change position)");
ImGui::Separator();
if (ImGui::IsMousePosValid())
ImGui::Text("Mouse Position: (%.1f,%.1f)", ImGui::GetIO().MousePos.x, ImGui::GetIO().MousePos.y);
else
ImGui::Text("Mouse Position: <invalid>");
if (ImGui::BeginPopupContextWindow())
{
if (ImGui::MenuItem("Custom", NULL, corner == -1)) corner = -1;
if (ImGui::MenuItem("Top-left", NULL, corner == 0)) corner = 0;
if (ImGui::MenuItem("Top-right", NULL, corner == 1)) corner = 1;
if (ImGui::MenuItem("Bottom-left", NULL, corner == 2)) corner = 2;
if (ImGui::MenuItem("Bottom-right", NULL, corner == 3)) corner = 3;
if (p_open && ImGui::MenuItem("Close")) *p_open = false;
ImGui::EndPopup();
}
}
ImGui::End();
}
// Demonstrate using "##" and "###" in identifiers to manipulate ID generation.
// This apply to regular items as well. Read FAQ section "How can I have multiple widgets with the same label? Can I have widget without a label? (Yes). A primer on the purpose of labels/IDs." for details.
static void ShowExampleAppWindowTitles(bool*)
{
// By default, Windows are uniquely identified by their title.
// You can use the "##" and "###" markers to manipulate the display/ID.
// Using "##" to display same title but have unique identifier.
ImGui::SetNextWindowPos(ImVec2(100,100), ImGuiCond_FirstUseEver);
ImGui::Begin("Same title as another window##1");
ImGui::Text("This is window 1.\nMy title is the same as window 2, but my identifier is unique.");
ImGui::End();
ImGui::SetNextWindowPos(ImVec2(100,200), ImGuiCond_FirstUseEver);
ImGui::Begin("Same title as another window##2");
ImGui::Text("This is window 2.\nMy title is the same as window 1, but my identifier is unique.");
ImGui::End();
// Using "###" to display a changing title but keep a static identifier "AnimatedTitle"
char buf[128];
sprintf(buf, "Animated title %c %d###AnimatedTitle", "|/-\\"[(int)(ImGui::GetTime()/0.25f)&3], ImGui::GetFrameCount());
ImGui::SetNextWindowPos(ImVec2(100,300), ImGuiCond_FirstUseEver);
ImGui::Begin(buf);
ImGui::Text("This window has a changing title.");
ImGui::End();
}
// Demonstrate using the low-level ImDrawList to draw custom shapes.
static void ShowExampleAppCustomRendering(bool* p_open)
{
ImGui::SetNextWindowSize(ImVec2(350,560), ImGuiCond_FirstUseEver);
if (!ImGui::Begin("Example: Custom rendering", p_open))
{
ImGui::End();
return;
}
// Tip: If you do a lot of custom rendering, you probably want to use your own geometrical types and benefit of overloaded operators, etc.
// Define IM_VEC2_CLASS_EXTRA in imconfig.h to create implicit conversions between your types and ImVec2/ImVec4.
// ImGui defines overloaded operators but they are internal to imgui.cpp and not exposed outside (to avoid messing with your types)
// In this example we are not using the maths operators!
ImDrawList* draw_list = ImGui::GetWindowDrawList();
// Primitives
ImGui::Text("Primitives");
static float sz = 36.0f;
static float thickness = 4.0f;
static ImVec4 col = ImVec4(1.0f,1.0f,0.4f,1.0f);
ImGui::DragFloat("Size", &sz, 0.2f, 2.0f, 72.0f, "%.0f");
ImGui::DragFloat("Thickness", &thickness, 0.05f, 1.0f, 8.0f, "%.02f");
ImGui::ColorEdit3("Color", &col.x);
{
const ImVec2 p = ImGui::GetCursorScreenPos();
const ImU32 col32 = ImColor(col);
float x = p.x + 4.0f, y = p.y + 4.0f, spacing = 8.0f;
for (int n = 0; n < 2; n++)
{
float curr_thickness = (n == 0) ? 1.0f : thickness;
draw_list->AddCircle(ImVec2(x+sz*0.5f, y+sz*0.5f), sz*0.5f, col32, 20, curr_thickness); x += sz+spacing;
draw_list->AddRect(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 0.0f, ImDrawCornerFlags_All, curr_thickness); x += sz+spacing;
draw_list->AddRect(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f, ImDrawCornerFlags_All, curr_thickness); x += sz+spacing;
draw_list->AddRect(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f, ImDrawCornerFlags_TopLeft|ImDrawCornerFlags_BotRight, curr_thickness); x += sz+spacing;
draw_list->AddTriangle(ImVec2(x+sz*0.5f, y), ImVec2(x+sz,y+sz-0.5f), ImVec2(x,y+sz-0.5f), col32, curr_thickness); x += sz+spacing;
draw_list->AddLine(ImVec2(x, y), ImVec2(x+sz, y ), col32, curr_thickness); x += sz+spacing; // Horizontal line (note: drawing a filled rectangle will be faster!)
draw_list->AddLine(ImVec2(x, y), ImVec2(x, y+sz), col32, curr_thickness); x += spacing; // Vertical line (note: drawing a filled rectangle will be faster!)
draw_list->AddLine(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, curr_thickness); x += sz+spacing; // Diagonal line
draw_list->AddBezierCurve(ImVec2(x, y), ImVec2(x+sz*1.3f,y+sz*0.3f), ImVec2(x+sz-sz*1.3f,y+sz-sz*0.3f), ImVec2(x+sz, y+sz), col32, curr_thickness);
x = p.x + 4;
y += sz+spacing;
}
draw_list->AddCircleFilled(ImVec2(x+sz*0.5f, y+sz*0.5f), sz*0.5f, col32, 32); x += sz+spacing;
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+sz, y+sz), col32); x += sz+spacing;
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f); x += sz+spacing;
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f, ImDrawCornerFlags_TopLeft|ImDrawCornerFlags_BotRight); x += sz+spacing;
draw_list->AddTriangleFilled(ImVec2(x+sz*0.5f, y), ImVec2(x+sz,y+sz-0.5f), ImVec2(x,y+sz-0.5f), col32); x += sz+spacing;
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+sz, y+thickness), col32); x += sz+spacing; // Horizontal line (faster than AddLine, but only handle integer thickness)
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+thickness, y+sz), col32); x += spacing+spacing; // Vertical line (faster than AddLine, but only handle integer thickness)
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+1, y+1), col32); x += sz; // Pixel (faster than AddLine)
draw_list->AddRectFilledMultiColor(ImVec2(x, y), ImVec2(x+sz, y+sz), IM_COL32(0,0,0,255), IM_COL32(255,0,0,255), IM_COL32(255,255,0,255), IM_COL32(0,255,0,255));
ImGui::Dummy(ImVec2((sz+spacing)*8, (sz+spacing)*3));
}
ImGui::Separator();
{
static ImVector<ImVec2> points;
static bool adding_line = false;
ImGui::Text("Canvas example");
if (ImGui::Button("Clear")) points.clear();
if (points.Size >= 2) { ImGui::SameLine(); if (ImGui::Button("Undo")) { points.pop_back(); points.pop_back(); } }
ImGui::Text("Left-click and drag to add lines,\nRight-click to undo");
// Here we are using InvisibleButton() as a convenience to 1) advance the cursor and 2) allows us to use IsItemHovered()
// But you can also draw directly and poll mouse/keyboard by yourself. You can manipulate the cursor using GetCursorPos() and SetCursorPos().
// If you only use the ImDrawList API, you can notify the owner window of its extends by using SetCursorPos(max).
ImVec2 canvas_pos = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates!
ImVec2 canvas_size = ImGui::GetContentRegionAvail(); // Resize canvas to what's available
if (canvas_size.x < 50.0f) canvas_size.x = 50.0f;
if (canvas_size.y < 50.0f) canvas_size.y = 50.0f;
draw_list->AddRectFilledMultiColor(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), IM_COL32(50,50,50,255), IM_COL32(50,50,60,255), IM_COL32(60,60,70,255), IM_COL32(50,50,60,255));
draw_list->AddRect(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), IM_COL32(255,255,255,255));
bool adding_preview = false;
ImGui::InvisibleButton("canvas", canvas_size);
ImVec2 mouse_pos_in_canvas = ImVec2(ImGui::GetIO().MousePos.x - canvas_pos.x, ImGui::GetIO().MousePos.y - canvas_pos.y);
if (adding_line)
{
adding_preview = true;
points.push_back(mouse_pos_in_canvas);
if (!ImGui::IsMouseDown(0))
adding_line = adding_preview = false;
}
if (ImGui::IsItemHovered())
{
if (!adding_line && ImGui::IsMouseClicked(0))
{
points.push_back(mouse_pos_in_canvas);
adding_line = true;
}
if (ImGui::IsMouseClicked(1) && !points.empty())
{
adding_line = adding_preview = false;
points.pop_back();
points.pop_back();
}
}
draw_list->PushClipRect(canvas_pos, ImVec2(canvas_pos.x+canvas_size.x, canvas_pos.y+canvas_size.y), true); // clip lines within the canvas (if we resize it, etc.)
for (int i = 0; i < points.Size - 1; i += 2)
draw_list->AddLine(ImVec2(canvas_pos.x + points[i].x, canvas_pos.y + points[i].y), ImVec2(canvas_pos.x + points[i+1].x, canvas_pos.y + points[i+1].y), IM_COL32(255,255,0,255), 2.0f);
draw_list->PopClipRect();
if (adding_preview)
points.pop_back();
}
ImGui::End();
}
// Demonstrating creating a simple console window, with scrolling, filtering, completion and history. // Demonstrating creating a simple console window, with scrolling, filtering, completion and history.
// For the console example, here we are using a more C++ like approach of declaring a class to hold the data and the functions. // For the console example, here we are using a more C++ like approach of declaring a class to hold the data and the functions.
@ -2855,7 +2634,7 @@ struct ExampleAppConsole
Commands.push_back("HELP"); Commands.push_back("HELP");
Commands.push_back("HISTORY"); Commands.push_back("HISTORY");
Commands.push_back("CLEAR"); Commands.push_back("CLEAR");
Commands.push_back("CLASSIFY"); // "classify" is here to provide an example of "C"+[tab] completing to "CL" and displaying matches. Commands.push_back("CLASSIFY"); // "classify" is only here to provide an example of "C"+[tab] completing to "CL" and displaying matches.
AddLog("Welcome to Dear ImGui!"); AddLog("Welcome to Dear ImGui!");
} }
~ExampleAppConsole() ~ExampleAppConsole()
@ -3143,6 +2922,10 @@ static void ShowExampleAppConsole(bool* p_open)
console.Draw("Example: Console", p_open); console.Draw("Example: Console", p_open);
} }
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: LOG
//-----------------------------------------------------------------------------
// Usage: // Usage:
// static ExampleAppLog my_log; // static ExampleAppLog my_log;
// my_log.AddLog("Hello %d world\n", 123); // my_log.AddLog("Hello %d world\n", 123);
@ -3229,6 +3012,10 @@ static void ShowExampleAppLog(bool* p_open)
log.Draw("Example: Log", p_open); log.Draw("Example: Log", p_open);
} }
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: SIMPLE LAYOUT
//-----------------------------------------------------------------------------
// Demonstrate create a window with multiple child windows. // Demonstrate create a window with multiple child windows.
static void ShowExampleAppLayout(bool* p_open) static void ShowExampleAppLayout(bool* p_open)
{ {
@ -3273,6 +3060,10 @@ static void ShowExampleAppLayout(bool* p_open)
ImGui::End(); ImGui::End();
} }
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: PROPERTY EDITOR
//-----------------------------------------------------------------------------
// Demonstrate create a simple property editor. // Demonstrate create a simple property editor.
static void ShowExampleAppPropertyEditor(bool* p_open) static void ShowExampleAppPropertyEditor(bool* p_open)
{ {
@ -3342,6 +3133,10 @@ static void ShowExampleAppPropertyEditor(bool* p_open)
ImGui::End(); ImGui::End();
} }
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: LONG TEXT
//-----------------------------------------------------------------------------
// Demonstrate/test rendering huge amount of text, and the incidence of clipping. // Demonstrate/test rendering huge amount of text, and the incidence of clipping.
static void ShowExampleAppLongText(bool* p_open) static void ShowExampleAppLongText(bool* p_open)
{ {
@ -3396,6 +3191,256 @@ static void ShowExampleAppLongText(bool* p_open)
ImGui::End(); ImGui::End();
} }
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: AUTO RESIZE
//-----------------------------------------------------------------------------
// Demonstrate creating a window which gets auto-resized according to its content.
static void ShowExampleAppAutoResize(bool* p_open)
{
if (!ImGui::Begin("Example: Auto-resizing window", p_open, ImGuiWindowFlags_AlwaysAutoResize))
{
ImGui::End();
return;
}
static int lines = 10;
ImGui::Text("Window will resize every-frame to the size of its content.\nNote that you probably don't want to query the window size to\noutput your content because that would create a feedback loop.");
ImGui::SliderInt("Number of lines", &lines, 1, 20);
for (int i = 0; i < lines; i++)
ImGui::Text("%*sThis is line %d", i * 4, "", i); // Pad with space to extend size horizontally
ImGui::End();
}
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: CONSTRAINED RESIZE
//-----------------------------------------------------------------------------
// Demonstrate creating a window with custom resize constraints.
static void ShowExampleAppConstrainedResize(bool* p_open)
{
struct CustomConstraints // Helper functions to demonstrate programmatic constraints
{
static void Square(ImGuiSizeCallbackData* data) { data->DesiredSize = ImVec2(IM_MAX(data->DesiredSize.x, data->DesiredSize.y), IM_MAX(data->DesiredSize.x, data->DesiredSize.y)); }
static void Step(ImGuiSizeCallbackData* data) { float step = (float)(int)(intptr_t)data->UserData; data->DesiredSize = ImVec2((int)(data->DesiredSize.x / step + 0.5f) * step, (int)(data->DesiredSize.y / step + 0.5f) * step); }
};
static bool auto_resize = false;
static int type = 0;
static int display_lines = 10;
if (type == 0) ImGui::SetNextWindowSizeConstraints(ImVec2(-1, 0), ImVec2(-1, FLT_MAX)); // Vertical only
if (type == 1) ImGui::SetNextWindowSizeConstraints(ImVec2(0, -1), ImVec2(FLT_MAX, -1)); // Horizontal only
if (type == 2) ImGui::SetNextWindowSizeConstraints(ImVec2(100, 100), ImVec2(FLT_MAX, FLT_MAX)); // Width > 100, Height > 100
if (type == 3) ImGui::SetNextWindowSizeConstraints(ImVec2(400, -1), ImVec2(500, -1)); // Width 400-500
if (type == 4) ImGui::SetNextWindowSizeConstraints(ImVec2(-1, 400), ImVec2(-1, 500)); // Height 400-500
if (type == 5) ImGui::SetNextWindowSizeConstraints(ImVec2(0, 0), ImVec2(FLT_MAX, FLT_MAX), CustomConstraints::Square); // Always Square
if (type == 6) ImGui::SetNextWindowSizeConstraints(ImVec2(0, 0), ImVec2(FLT_MAX, FLT_MAX), CustomConstraints::Step, (void*)100);// Fixed Step
ImGuiWindowFlags flags = auto_resize ? ImGuiWindowFlags_AlwaysAutoResize : 0;
if (ImGui::Begin("Example: Constrained Resize", p_open, flags))
{
const char* desc[] =
{
"Resize vertical only",
"Resize horizontal only",
"Width > 100, Height > 100",
"Width 400-500",
"Height 400-500",
"Custom: Always Square",
"Custom: Fixed Steps (100)",
};
if (ImGui::Button("200x200")) { ImGui::SetWindowSize(ImVec2(200, 200)); } ImGui::SameLine();
if (ImGui::Button("500x500")) { ImGui::SetWindowSize(ImVec2(500, 500)); } ImGui::SameLine();
if (ImGui::Button("800x200")) { ImGui::SetWindowSize(ImVec2(800, 200)); }
ImGui::PushItemWidth(200);
ImGui::Combo("Constraint", &type, desc, IM_ARRAYSIZE(desc));
ImGui::DragInt("Lines", &display_lines, 0.2f, 1, 100);
ImGui::PopItemWidth();
ImGui::Checkbox("Auto-resize", &auto_resize);
for (int i = 0; i < display_lines; i++)
ImGui::Text("%*sHello, sailor! Making this line long enough for the example.", i * 4, "");
}
ImGui::End();
}
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: SIMPLE OVERLAY
//-----------------------------------------------------------------------------
// Demonstrate creating a simple static window with no decoration + a context-menu to choose which corner of the screen to use.
static void ShowExampleAppSimpleOverlay(bool* p_open)
{
const float DISTANCE = 10.0f;
static int corner = 0;
ImVec2 window_pos = ImVec2((corner & 1) ? ImGui::GetIO().DisplaySize.x - DISTANCE : DISTANCE, (corner & 2) ? ImGui::GetIO().DisplaySize.y - DISTANCE : DISTANCE);
ImVec2 window_pos_pivot = ImVec2((corner & 1) ? 1.0f : 0.0f, (corner & 2) ? 1.0f : 0.0f);
if (corner != -1)
ImGui::SetNextWindowPos(window_pos, ImGuiCond_Always, window_pos_pivot);
ImGui::SetNextWindowBgAlpha(0.3f); // Transparent background
if (ImGui::Begin("Example: Simple Overlay", p_open, (corner != -1 ? ImGuiWindowFlags_NoMove : 0) | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoNav))
{
ImGui::Text("Simple overlay\n" "in the corner of the screen.\n" "(right-click to change position)");
ImGui::Separator();
if (ImGui::IsMousePosValid())
ImGui::Text("Mouse Position: (%.1f,%.1f)", ImGui::GetIO().MousePos.x, ImGui::GetIO().MousePos.y);
else
ImGui::Text("Mouse Position: <invalid>");
if (ImGui::BeginPopupContextWindow())
{
if (ImGui::MenuItem("Custom", NULL, corner == -1)) corner = -1;
if (ImGui::MenuItem("Top-left", NULL, corner == 0)) corner = 0;
if (ImGui::MenuItem("Top-right", NULL, corner == 1)) corner = 1;
if (ImGui::MenuItem("Bottom-left", NULL, corner == 2)) corner = 2;
if (ImGui::MenuItem("Bottom-right", NULL, corner == 3)) corner = 3;
if (p_open && ImGui::MenuItem("Close")) *p_open = false;
ImGui::EndPopup();
}
}
ImGui::End();
}
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: WINDOW TITLES
//-----------------------------------------------------------------------------
// Demonstrate using "##" and "###" in identifiers to manipulate ID generation.
// This apply to all regular items as well. Read FAQ section "How can I have multiple widgets with the same label? Can I have widget without a label? (Yes). A primer on the purpose of labels/IDs." for details.
static void ShowExampleAppWindowTitles(bool*)
{
// By default, Windows are uniquely identified by their title.
// You can use the "##" and "###" markers to manipulate the display/ID.
// Using "##" to display same title but have unique identifier.
ImGui::SetNextWindowPos(ImVec2(100, 100), ImGuiCond_FirstUseEver);
ImGui::Begin("Same title as another window##1");
ImGui::Text("This is window 1.\nMy title is the same as window 2, but my identifier is unique.");
ImGui::End();
ImGui::SetNextWindowPos(ImVec2(100, 200), ImGuiCond_FirstUseEver);
ImGui::Begin("Same title as another window##2");
ImGui::Text("This is window 2.\nMy title is the same as window 1, but my identifier is unique.");
ImGui::End();
// Using "###" to display a changing title but keep a static identifier "AnimatedTitle"
char buf[128];
sprintf(buf, "Animated title %c %d###AnimatedTitle", "|/-\\"[(int)(ImGui::GetTime() / 0.25f) & 3], ImGui::GetFrameCount());
ImGui::SetNextWindowPos(ImVec2(100, 300), ImGuiCond_FirstUseEver);
ImGui::Begin(buf);
ImGui::Text("This window has a changing title.");
ImGui::End();
}
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: CUSTOM RENDERING
//-----------------------------------------------------------------------------
// Demonstrate using the low-level ImDrawList to draw custom shapes.
static void ShowExampleAppCustomRendering(bool* p_open)
{
ImGui::SetNextWindowSize(ImVec2(350, 560), ImGuiCond_FirstUseEver);
if (!ImGui::Begin("Example: Custom rendering", p_open))
{
ImGui::End();
return;
}
// Tip: If you do a lot of custom rendering, you probably want to use your own geometrical types and benefit of overloaded operators, etc.
// Define IM_VEC2_CLASS_EXTRA in imconfig.h to create implicit conversions between your types and ImVec2/ImVec4.
// ImGui defines overloaded operators but they are internal to imgui.cpp and not exposed outside (to avoid messing with your types)
// In this example we are not using the maths operators!
ImDrawList* draw_list = ImGui::GetWindowDrawList();
// Primitives
ImGui::Text("Primitives");
static float sz = 36.0f;
static float thickness = 4.0f;
static ImVec4 col = ImVec4(1.0f, 1.0f, 0.4f, 1.0f);
ImGui::DragFloat("Size", &sz, 0.2f, 2.0f, 72.0f, "%.0f");
ImGui::DragFloat("Thickness", &thickness, 0.05f, 1.0f, 8.0f, "%.02f");
ImGui::ColorEdit3("Color", &col.x);
{
const ImVec2 p = ImGui::GetCursorScreenPos();
const ImU32 col32 = ImColor(col);
float x = p.x + 4.0f, y = p.y + 4.0f, spacing = 8.0f;
for (int n = 0; n < 2; n++)
{
float curr_thickness = (n == 0) ? 1.0f : thickness;
draw_list->AddCircle(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col32, 20, curr_thickness); x += sz + spacing;
draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 0.0f, ImDrawCornerFlags_All, curr_thickness); x += sz + spacing;
draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 10.0f, ImDrawCornerFlags_All, curr_thickness); x += sz + spacing;
draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 10.0f, ImDrawCornerFlags_TopLeft | ImDrawCornerFlags_BotRight, curr_thickness); x += sz + spacing;
draw_list->AddTriangle(ImVec2(x + sz*0.5f, y), ImVec2(x + sz, y + sz - 0.5f), ImVec2(x, y + sz - 0.5f), col32, curr_thickness); x += sz + spacing;
draw_list->AddLine(ImVec2(x, y), ImVec2(x + sz, y), col32, curr_thickness); x += sz + spacing; // Horizontal line (note: drawing a filled rectangle will be faster!)
draw_list->AddLine(ImVec2(x, y), ImVec2(x, y + sz), col32, curr_thickness); x += spacing; // Vertical line (note: drawing a filled rectangle will be faster!)
draw_list->AddLine(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, curr_thickness); x += sz + spacing; // Diagonal line
draw_list->AddBezierCurve(ImVec2(x, y), ImVec2(x + sz*1.3f, y + sz*0.3f), ImVec2(x + sz - sz*1.3f, y + sz - sz*0.3f), ImVec2(x + sz, y + sz), col32, curr_thickness);
x = p.x + 4;
y += sz + spacing;
}
draw_list->AddCircleFilled(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col32, 32); x += sz + spacing;
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col32); x += sz + spacing;
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 10.0f); x += sz + spacing;
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 10.0f, ImDrawCornerFlags_TopLeft | ImDrawCornerFlags_BotRight); x += sz + spacing;
draw_list->AddTriangleFilled(ImVec2(x + sz*0.5f, y), ImVec2(x + sz, y + sz - 0.5f), ImVec2(x, y + sz - 0.5f), col32); x += sz + spacing;
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + thickness), col32); x += sz + spacing; // Horizontal line (faster than AddLine, but only handle integer thickness)
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + thickness, y + sz), col32); x += spacing + spacing; // Vertical line (faster than AddLine, but only handle integer thickness)
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + 1, y + 1), col32); x += sz; // Pixel (faster than AddLine)
draw_list->AddRectFilledMultiColor(ImVec2(x, y), ImVec2(x + sz, y + sz), IM_COL32(0, 0, 0, 255), IM_COL32(255, 0, 0, 255), IM_COL32(255, 255, 0, 255), IM_COL32(0, 255, 0, 255));
ImGui::Dummy(ImVec2((sz + spacing) * 8, (sz + spacing) * 3));
}
ImGui::Separator();
{
static ImVector<ImVec2> points;
static bool adding_line = false;
ImGui::Text("Canvas example");
if (ImGui::Button("Clear")) points.clear();
if (points.Size >= 2) { ImGui::SameLine(); if (ImGui::Button("Undo")) { points.pop_back(); points.pop_back(); } }
ImGui::Text("Left-click and drag to add lines,\nRight-click to undo");
// Here we are using InvisibleButton() as a convenience to 1) advance the cursor and 2) allows us to use IsItemHovered()
// But you can also draw directly and poll mouse/keyboard by yourself. You can manipulate the cursor using GetCursorPos() and SetCursorPos().
// If you only use the ImDrawList API, you can notify the owner window of its extends by using SetCursorPos(max).
ImVec2 canvas_pos = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates!
ImVec2 canvas_size = ImGui::GetContentRegionAvail(); // Resize canvas to what's available
if (canvas_size.x < 50.0f) canvas_size.x = 50.0f;
if (canvas_size.y < 50.0f) canvas_size.y = 50.0f;
draw_list->AddRectFilledMultiColor(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), IM_COL32(50, 50, 50, 255), IM_COL32(50, 50, 60, 255), IM_COL32(60, 60, 70, 255), IM_COL32(50, 50, 60, 255));
draw_list->AddRect(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), IM_COL32(255, 255, 255, 255));
bool adding_preview = false;
ImGui::InvisibleButton("canvas", canvas_size);
ImVec2 mouse_pos_in_canvas = ImVec2(ImGui::GetIO().MousePos.x - canvas_pos.x, ImGui::GetIO().MousePos.y - canvas_pos.y);
if (adding_line)
{
adding_preview = true;
points.push_back(mouse_pos_in_canvas);
if (!ImGui::IsMouseDown(0))
adding_line = adding_preview = false;
}
if (ImGui::IsItemHovered())
{
if (!adding_line && ImGui::IsMouseClicked(0))
{
points.push_back(mouse_pos_in_canvas);
adding_line = true;
}
if (ImGui::IsMouseClicked(1) && !points.empty())
{
adding_line = adding_preview = false;
points.pop_back();
points.pop_back();
}
}
draw_list->PushClipRect(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), true); // clip lines within the canvas (if we resize it, etc.)
for (int i = 0; i < points.Size - 1; i += 2)
draw_list->AddLine(ImVec2(canvas_pos.x + points[i].x, canvas_pos.y + points[i].y), ImVec2(canvas_pos.x + points[i + 1].x, canvas_pos.y + points[i + 1].y), IM_COL32(255, 255, 0, 255), 2.0f);
draw_list->PopClipRect();
if (adding_preview)
points.pop_back();
}
ImGui::End();
}
// End of Demo code // End of Demo code
#else #else

View File

@ -98,6 +98,7 @@ namespace IMGUI_STB_NAMESPACE
#ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION #ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
#define STBRP_STATIC #define STBRP_STATIC
#define STBRP_ASSERT(x) IM_ASSERT(x) #define STBRP_ASSERT(x) IM_ASSERT(x)
#define STBRP_SORT ImQsort
#define STB_RECT_PACK_IMPLEMENTATION #define STB_RECT_PACK_IMPLEMENTATION
#endif #endif
#ifdef IMGUI_STB_RECT_PACK_FILENAME #ifdef IMGUI_STB_RECT_PACK_FILENAME
@ -196,8 +197,8 @@ void ImGui::StyleColorsDark(ImGuiStyle* dst)
colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f); colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f); colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
colors[ImGuiCol_NavWindowListHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f); colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
colors[ImGuiCol_NavWindowListDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f); colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f); colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
} }
@ -246,8 +247,8 @@ void ImGui::StyleColorsClassic(ImGuiStyle* dst)
colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f); colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f); colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered]; colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
colors[ImGuiCol_NavWindowListHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f); colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
colors[ImGuiCol_NavWindowListDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f); colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f); colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
} }
@ -297,8 +298,8 @@ void ImGui::StyleColorsLight(ImGuiStyle* dst)
colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f); colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered]; colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
colors[ImGuiCol_NavWindowListHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f); colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f);
colors[ImGuiCol_NavWindowListDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f); colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f);
colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f); colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
} }

View File

@ -120,6 +120,7 @@ static inline bool ImCharIsBlankA(char c) { return c == ' ' || c =
static inline bool ImCharIsBlankW(unsigned int c) { return c == ' ' || c == '\t' || c == 0x3000; } static inline bool ImCharIsBlankW(unsigned int c) { return c == ' ' || c == '\t' || c == 0x3000; }
static inline bool ImIsPowerOfTwo(int v) { return v != 0 && (v & (v - 1)) == 0; } static inline bool ImIsPowerOfTwo(int v) { return v != 0 && (v & (v - 1)) == 0; }
static inline int ImUpperPowerOfTwo(int v) { v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; v |= v >> 8; v |= v >> 16; v++; return v; } static inline int ImUpperPowerOfTwo(int v) { v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; v |= v >> 8; v |= v >> 16; v++; return v; }
#define ImQsort qsort
// Helpers: Geometry // Helpers: Geometry
IMGUI_API ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p); IMGUI_API ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p);
@ -1081,6 +1082,9 @@ namespace ImGui
IMGUI_API bool IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent); IMGUI_API bool IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent);
IMGUI_API bool IsWindowNavFocusable(ImGuiWindow* window); IMGUI_API bool IsWindowNavFocusable(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]; }
IMGUI_API void Initialize(ImGuiContext* context); IMGUI_API void Initialize(ImGuiContext* context);
IMGUI_API void Shutdown(ImGuiContext* context); // Since 1.60 this is a _private_ function. You can call DestroyContext() to destroy the context created by CreateContext(). IMGUI_API void Shutdown(ImGuiContext* context); // Since 1.60 this is a _private_ function. You can call DestroyContext() to destroy the context created by CreateContext().
@ -1117,10 +1121,9 @@ namespace ImGui
IMGUI_API void PushItemFlag(ImGuiItemFlags option, bool enabled); IMGUI_API void PushItemFlag(ImGuiItemFlags option, bool enabled);
IMGUI_API void PopItemFlag(); IMGUI_API void PopItemFlag();
IMGUI_API void SetCurrentFont(ImFont* font);
IMGUI_API void OpenPopupEx(ImGuiID id); IMGUI_API void OpenPopupEx(ImGuiID id);
IMGUI_API void ClosePopup(ImGuiID id); IMGUI_API void ClosePopup(ImGuiID id);
IMGUI_API void ClosePopupToLevel(int remaining);
IMGUI_API void ClosePopupsOverWindow(ImGuiWindow* ref_window); IMGUI_API void ClosePopupsOverWindow(ImGuiWindow* ref_window);
IMGUI_API bool IsPopupOpen(ImGuiID id); IMGUI_API bool IsPopupOpen(ImGuiID id);
IMGUI_API bool BeginPopupEx(ImGuiID id, ImGuiWindowFlags extra_flags); IMGUI_API bool BeginPopupEx(ImGuiID id, ImGuiWindowFlags extra_flags);