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Merge branch 'master' into viewport

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# Conflicts:
#	imgui.cpp
#	imgui_demo.cpp
#	imgui_internal.h
This commit is contained in:
omar 2018-07-12 11:48:49 +02:00
commit b30b82835a
5 changed files with 303 additions and 260 deletions
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4
imconfig.h
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@ -33,12 +33,12 @@
//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS // [Win32] Don't implement default IME handler. Won't use and link with ImmGetContext/ImmSetCompositionWindow.
//#define IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS // Don't implement ImFormatString/ImFormatStringV so you can implement them yourself if you don't want to link with vsnprintf.
//#define IMGUI_DISABLE_MATH_FUNCTIONS // Don't implement ImFabs/ImSqrt/ImPow/ImFmod/ImCos/ImSin/ImAcos/ImAtan2 wrapper so you can implement them yourself. Declare your prototypes in imconfig.h.
//#define IMGUI_DISABLE_DEFAULT_ALLOCATORS // Don't implement default allocators calling malloc()/free(). You will need to call ImGui::SetAllocatorFunctions().
//#define IMGUI_DISABLE_DEFAULT_ALLOCATORS // Don't implement default allocators calling malloc()/free() to avoid linking with them. You will need to call ImGui::SetAllocatorFunctions().
//---- Include imgui_user.h at the end of imgui.h as a convenience
//#define IMGUI_INCLUDE_IMGUI_USER_H
//---- Pack colors to BGRA8 instead of RGBA8 (if you needed to convert from one to another anyway)
//---- Pack colors to BGRA8 instead of RGBA8 (to avoid converting from one to another)
//#define IMGUI_USE_BGRA_PACKED_COLOR
//---- Avoid multiple STB libraries implementations, or redefine path/filenames to prioritize another version

28
imgui.cpp
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@ -865,7 +865,6 @@ static const ImU64 IM_U64_MAX = 0xFFFFFFFFFFFFFFFFull;
static bool IsKeyPressedMap(ImGuiKey key, bool repeat = true);
static ImFont* GetDefaultFont();
static void SetCurrentWindow(ImGuiWindow* window);
static void SetWindowScrollX(ImGuiWindow* window, float new_scroll_x);
static void SetWindowScrollY(ImGuiWindow* window, float new_scroll_y);
@ -874,12 +873,13 @@ static void SetWindowSize(ImGuiWindow* window, const ImVec2& size, I
static void SetWindowCollapsed(ImGuiWindow* window, bool collapsed, ImGuiCond cond);
static void FindHoveredWindow();
static ImGuiWindow* CreateNewWindow(const char* name, ImVec2 size, ImGuiWindowFlags flags);
static ImGuiWindowSettings* CreateNewWindowSettings(const char* name);
static void CheckStacksSize(ImGuiWindow* window, bool write);
static ImVec2 CalcNextScrollFromScrollTargetAndClamp(ImGuiWindow* window, bool snap_on_edges);
static ImGuiWindowSettings* AddWindowSettings(const char* name);
static void ClosePopupToLevel(int remaining);
static void AddDrawListToDrawData(ImVector<ImDrawList*>* out_list, ImDrawList* draw_list);
static void AddWindowToDrawData(ImVector<ImDrawList*>* out_list, ImGuiWindow* window);
static void AddWindowToSortedBuffer(ImVector<ImGuiWindow*>* out_sorted_windows, ImGuiWindow* window);
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);
@ -1708,7 +1708,7 @@ void ImGuiStorage::BuildSortByKey()
}
};
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
@ -4450,7 +4450,7 @@ static void* SettingsHandlerWindow_ReadOpen(ImGuiContext*, ImGuiSettingsHandler*
{
ImGuiWindowSettings* settings = ImGui::FindWindowSettings(ImHash(name, 0));
if (!settings)
settings = AddWindowSettings(name);
settings = CreateNewWindowSettings(name);
return (void*)settings;
}
@ -4480,7 +4480,7 @@ static void SettingsHandlerWindow_WriteAll(ImGuiContext* imgui_ctx, ImGuiSetting
ImGuiWindowSettings* settings = (window->SettingsIdx != -1) ? &g.SettingsWindows[window->SettingsIdx] : ImGui::FindWindowSettings(window->ID);
if (!settings)
{
settings = AddWindowSettings(window->Name);
settings = CreateNewWindowSettings(window->Name);
window->SettingsIdx = g.SettingsWindows.index_from_pointer(settings);
}
IM_ASSERT(settings->ID == window->ID);
@ -4626,7 +4626,7 @@ ImGuiWindowSettings* ImGui::FindWindowSettings(ImGuiID id)
return NULL;
}
static ImGuiWindowSettings* AddWindowSettings(const char* name)
static ImGuiWindowSettings* CreateNewWindowSettings(const char* name)
{
ImGuiContext& g = *GImGui;
g.SettingsWindows.push_back(ImGuiWindowSettings());
@ -4785,7 +4785,7 @@ static void AddWindowToSortedBuffer(ImVector<ImGuiWindow*>* out_sorted_windows,
{
int count = window->DC.ChildWindows.Size;
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++)
{
ImGuiWindow* child = window->DC.ChildWindows[i];
@ -6026,14 +6026,14 @@ ImGuiWindow* ImGui::GetFrontMostPopupModal()
return NULL;
}
static void ClosePopupToLevel(int remaining)
void ImGui::ClosePopupToLevel(int remaining)
{
IM_ASSERT(remaining >= 0);
ImGuiContext& g = *GImGui;
ImGuiWindow* focus_window = (remaining > 0) ? g.OpenPopupStack[remaining-1].Window : g.OpenPopupStack[0].ParentWindow;
if (g.NavLayer == 0)
focus_window = NavRestoreLastChildNavWindow(focus_window);
ImGui::FocusWindow(focus_window);
FocusWindow(focus_window);
focus_window->DC.NavHideHighlightOneFrame = true;
g.OpenPopupStack.resize(remaining);
}
@ -7971,12 +7971,6 @@ float ImGui::CalcItemWidth()
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)
{
ImGuiContext& g = *GImGui;

517
imgui_demo.cpp
View File

@ -77,6 +77,7 @@
#if !defined(IMGUI_DISABLE_DEMO_WINDOWS)
// Forward Declarations
static void ShowExampleAppMainMenuBar();
static void ShowExampleAppConsole(bool* p_open);
static void ShowExampleAppLog(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 ShowExampleAppWindowTitles(bool* p_open);
static void ShowExampleAppCustomRendering(bool* p_open);
static void ShowExampleAppMainMenuBar();
static void ShowExampleMenuFile();
// Helper to display a little (?) mark which shows a tooltip when hovered.
@ -2253,6 +2253,7 @@ void ImGui::ShowDemoWindow(bool* p_open)
}
}
// End of ShowDemoWindow()
ImGui::End();
}
@ -2518,6 +2519,10 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
ImGui::PopItemWidth();
}
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: MAIN MENU BAR
//-----------------------------------------------------------------------------
// Demonstrate creating a fullscreen menu bar and populating it.
static void ShowExampleAppMainMenuBar()
{
@ -2607,240 +2612,9 @@ static void ShowExampleMenuFile()
if (ImGui::MenuItem("Quit", "Alt+F4")) {}
}
// 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();
}
// 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)
{
// FIXME-VIEWPORT-ABS: Select a default viewport
const float DISTANCE = 10.0f;
static int corner = 0;
if (corner != -1)
{
ImGuiViewport* viewport = ImGui::GetMainViewport();
ImVec2 window_pos = ImVec2((corner & 1) ? (viewport->Pos.x + viewport->Size.x - DISTANCE) : (viewport->Pos.x + DISTANCE), (corner & 2) ? (viewport->Pos.y + viewport->Size.y - DISTANCE) : (viewport->Pos.y + DISTANCE));
ImVec2 window_pos_pivot = ImVec2((corner & 1) ? 1.0f : 0.0f, (corner & 2) ? 1.0f : 0.0f);
ImGui::SetNextWindowPos(window_pos, ImGuiCond_Always, window_pos_pivot);
ImGui::SetNextWindowViewport(viewport->ID);
}
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();
}
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: CONSOLE
//-----------------------------------------------------------------------------
// 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.
@ -2861,7 +2635,7 @@ struct ExampleAppConsole
Commands.push_back("HELP");
Commands.push_back("HISTORY");
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!");
}
~ExampleAppConsole()
@ -3149,6 +2923,10 @@ static void ShowExampleAppConsole(bool* p_open)
console.Draw("Example: Console", p_open);
}
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: LOG
//-----------------------------------------------------------------------------
// Usage:
// static ExampleAppLog my_log;
// my_log.AddLog("Hello %d world\n", 123);
@ -3235,6 +3013,10 @@ static void ShowExampleAppLog(bool* p_open)
log.Draw("Example: Log", p_open);
}
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: SIMPLE LAYOUT
//-----------------------------------------------------------------------------
// Demonstrate create a window with multiple child windows.
static void ShowExampleAppLayout(bool* p_open)
{
@ -3279,6 +3061,10 @@ static void ShowExampleAppLayout(bool* p_open)
ImGui::End();
}
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: PROPERTY EDITOR
//-----------------------------------------------------------------------------
// Demonstrate create a simple property editor.
static void ShowExampleAppPropertyEditor(bool* p_open)
{
@ -3348,6 +3134,10 @@ static void ShowExampleAppPropertyEditor(bool* p_open)
ImGui::End();
}
//-----------------------------------------------------------------------------
// EXAMPLE APP CODE: LONG TEXT
//-----------------------------------------------------------------------------
// Demonstrate/test rendering huge amount of text, and the incidence of clipping.
static void ShowExampleAppLongText(bool* p_open)
{
@ -3402,6 +3192,261 @@ static void ShowExampleAppLongText(bool* p_open)
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)
{
// FIXME-VIEWPORT-ABS: Select a default viewport
const float DISTANCE = 10.0f;
static int corner = 0;
if (corner != -1)
{
ImGuiViewport* viewport = ImGui::GetMainViewport();
ImVec2 window_pos = ImVec2((corner & 1) ? (viewport->Pos.x + viewport->Size.x - DISTANCE) : (viewport->Pos.x + DISTANCE), (corner & 2) ? (viewport->Pos.y + viewport->Size.y - DISTANCE) : (viewport->Pos.y + DISTANCE));
ImVec2 window_pos_pivot = ImVec2((corner & 1) ? 1.0f : 0.0f, (corner & 2) ? 1.0f : 0.0f);
ImGui::SetNextWindowPos(window_pos, ImGuiCond_Always, window_pos_pivot);
ImGui::SetNextWindowViewport(viewport->ID);
}
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
#else

3
imgui_draw.cpp
View File

@ -97,7 +97,8 @@ namespace IMGUI_STB_NAMESPACE
#ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
#ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
#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
#endif
#ifdef IMGUI_STB_RECT_PACK_FILENAME

11
imgui_internal.h
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 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; }
#define ImQsort qsort
// Helpers: Geometry
IMGUI_API ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p);
@ -1142,6 +1143,11 @@ namespace ImGui
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 SetCurrentFont(ImFont* font);
inline ImFont* GetDefaultFont() { ImGuiContext& g = *GImGui; return g.IO.FontDefault ? g.IO.FontDefault : g.IO.Fonts->Fonts[0]; }
IMGUI_API ImDrawList* GetOverlayDrawList(ImGuiViewportP* viewport);
inline ImDrawList* GetOverlayDrawList(ImGuiWindow* window) { return GetOverlayDrawList(window->Viewport); }
IMGUI_API void UpdateHoveredWindowAndCaptureFlags();
IMGUI_API void StartMouseMovingWindow(ImGuiWindow* window);
IMGUI_API void UpdateMouseMovingWindow();
@ -1181,12 +1187,9 @@ namespace ImGui
IMGUI_API void PushItemFlag(ImGuiItemFlags option, bool enabled);
IMGUI_API void PopItemFlag();
IMGUI_API void SetCurrentFont(ImFont* font);
IMGUI_API ImDrawList* GetOverlayDrawList(ImGuiViewportP* viewport);
inline ImDrawList* GetOverlayDrawList(ImGuiWindow* window) { return GetOverlayDrawList(window->Viewport); }
IMGUI_API void OpenPopupEx(ImGuiID id);
IMGUI_API void ClosePopup(ImGuiID id);
IMGUI_API void ClosePopupToLevel(int remaining);
IMGUI_API void ClosePopupsOverWindow(ImGuiWindow* ref_window);
IMGUI_API bool IsPopupOpen(ImGuiID id);
IMGUI_API bool BeginPopupEx(ImGuiID id, ImGuiWindowFlags extra_flags);