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imgui_widgets.cpp
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// dear imgui, v1.89.2 WIP
// (widgets code)
/*
Index of this file:
// [SECTION] Forward Declarations
// [SECTION] Widgets: Text, etc.
// [SECTION] Widgets: Main (Button, Image, Checkbox, RadioButton, ProgressBar, Bullet, etc.)
// [SECTION] Widgets: Low-level Layout helpers (Spacing, Dummy, NewLine, Separator, etc.)
// [SECTION] Widgets: ComboBox
// [SECTION] Data Type and Data Formatting Helpers
// [SECTION] Widgets: DragScalar, DragFloat, DragInt, etc.
// [SECTION] Widgets: SliderScalar, SliderFloat, SliderInt, etc.
// [SECTION] Widgets: InputScalar, InputFloat, InputInt, etc.
// [SECTION] Widgets: InputText, InputTextMultiline
// [SECTION] Widgets: ColorEdit, ColorPicker, ColorButton, etc.
// [SECTION] Widgets: TreeNode, CollapsingHeader, etc.
// [SECTION] Widgets: Selectable
// [SECTION] Widgets: ListBox
// [SECTION] Widgets: PlotLines, PlotHistogram
// [SECTION] Widgets: Value helpers
// [SECTION] Widgets: MenuItem, BeginMenu, EndMenu, etc.
// [SECTION] Widgets: BeginTabBar, EndTabBar, etc.
// [SECTION] Widgets: BeginTabItem, EndTabItem, etc.
// [SECTION] Widgets: Columns, BeginColumns, EndColumns, etc.
*/
#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
#define _CRT_SECURE_NO_WARNINGS
#endif
#include "color.h"
#ifndef IMGUI_DISABLE
#ifndef IMGUI_DEFINE_MATH_OPERATORS
#define IMGUI_DEFINE_MATH_OPERATORS
#endif
#include "imgui_internal.h"
// System includes
#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier
#include <stddef.h> // intptr_t
#else
#include <stdint.h> // intptr_t
#endif
#include <map>
#include <string>
#include <vector>
//-------------------------------------------------------------------------
// Warnings
//-------------------------------------------------------------------------
// Visual Studio warnings
#ifdef _MSC_VER
#pragma warning (disable: 4127) // condition expression is constant
#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
#if defined(_MSC_VER) && _MSC_VER >= 1922 // MSVC 2019 16.2 or later
#pragma warning (disable: 5054) // operator '|': deprecated between enumerations of different types
#endif
#pragma warning (disable: 26451) // [Static Analyzer] Arithmetic overflow : Using operator 'xxx' on a 4 byte value and then casting the result to a 8 byte value. Cast the value to the wider type before calling operator 'xxx' to avoid overflow(io.2).
#pragma warning (disable: 26812) // [Static Analyzer] The enum type 'xxx' is unscoped. Prefer 'enum class' over 'enum' (Enum.3).
#endif
// Clang/GCC warnings with -Weverything
#if defined(__clang__)
#if __has_warning("-Wunknown-warning-option")
#pragma clang diagnostic ignored "-Wunknown-warning-option" // warning: unknown warning group 'xxx' // not all warnings are known by all Clang versions and they tend to be rename-happy.. so ignoring warnings triggers new warnings on some configuration. Great!
#endif
#pragma clang diagnostic ignored "-Wunknown-pragmas" // warning: unknown warning group 'xxx'
#pragma clang diagnostic ignored "-Wold-style-cast" // warning: use of old-style cast // yes, they are more terse.
#pragma clang diagnostic ignored "-Wfloat-equal" // warning: comparing floating point with == or != is unsafe // storing and comparing against same constants (typically 0.0f) is ok.
#pragma clang diagnostic ignored "-Wformat-nonliteral" // warning: format string is not a string literal // passing non-literal to vsnformat(). yes, user passing incorrect format strings can crash the code.
#pragma clang diagnostic ignored "-Wsign-conversion" // warning: implicit conversion changes signedness
#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning: zero as null pointer constant // some standard header variations use #define NULL 0
#pragma clang diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function // using printf() is a misery with this as C++ va_arg ellipsis changes float to double.
#pragma clang diagnostic ignored "-Wenum-enum-conversion" // warning: bitwise operation between different enumeration types ('XXXFlags_' and 'XXXFlagsPrivate_')
#pragma clang diagnostic ignored "-Wdeprecated-enum-enum-conversion"// warning: bitwise operation between different enumeration types ('XXXFlags_' and 'XXXFlagsPrivate_') is deprecated
#pragma clang diagnostic ignored "-Wimplicit-int-float-conversion" // warning: implicit conversion from 'xxx' to 'float' may lose precision
#elif defined(__GNUC__)
#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind
#pragma GCC diagnostic ignored "-Wformat-nonliteral" // warning: format not a string literal, format string not checked
#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
#pragma GCC diagnostic ignored "-Wdeprecated-enum-enum-conversion" // warning: bitwise operation between different enumeration types ('XXXFlags_' and 'XXXFlagsPrivate_') is deprecated
#endif
//-------------------------------------------------------------------------
// Data
//-------------------------------------------------------------------------
// Widgets
static const float DRAGDROP_HOLD_TO_OPEN_TIMER = 0.70f; // Time for drag-hold to activate items accepting the ImGuiButtonFlags_PressedOnDragDropHold button behavior.
static const float DRAG_MOUSE_THRESHOLD_FACTOR = 0.50f; // Multiplier for the default value of io.MouseDragThreshold to make DragFloat/DragInt react faster to mouse drags.
// Those MIN/MAX values are not define because we need to point to them
static const signed char IM_S8_MIN = -128;
static const signed char IM_S8_MAX = 127;
static const unsigned char IM_U8_MIN = 0;
static const unsigned char IM_U8_MAX = 0xFF;
static const signed short IM_S16_MIN = -32768;
static const signed short IM_S16_MAX = 32767;
static const unsigned short IM_U16_MIN = 0;
static const unsigned short IM_U16_MAX = 0xFFFF;
static const ImS32 IM_S32_MIN = INT_MIN; // (-2147483647 - 1), (0x80000000);
static const ImS32 IM_S32_MAX = INT_MAX; // (2147483647), (0x7FFFFFFF)
static const ImU32 IM_U32_MIN = 0;
static const ImU32 IM_U32_MAX = UINT_MAX; // (0xFFFFFFFF)
#ifdef LLONG_MIN
static const ImS64 IM_S64_MIN = LLONG_MIN; // (-9223372036854775807ll - 1ll);
static const ImS64 IM_S64_MAX = LLONG_MAX; // (9223372036854775807ll);
#else
static const ImS64 IM_S64_MIN = -9223372036854775807LL - 1;
static const ImS64 IM_S64_MAX = 9223372036854775807LL;
#endif
static const ImU64 IM_U64_MIN = 0;
#ifdef ULLONG_MAX
static const ImU64 IM_U64_MAX = ULLONG_MAX; // (0xFFFFFFFFFFFFFFFFull);
#else
static const ImU64 IM_U64_MAX = (2ULL * 9223372036854775807LL + 1);
#endif
//-------------------------------------------------------------------------
// [SECTION] Forward Declarations
//-------------------------------------------------------------------------
// For InputTextEx()
static bool InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data, ImGuiInputSource input_source);
static int InputTextCalcTextLenAndLineCount(const char* text_begin, const char** out_text_end);
static ImVec2 InputTextCalcTextSizeW(ImGuiContext* ctx, const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining = NULL, ImVec2* out_offset = NULL, bool stop_on_new_line = false);
//-------------------------------------------------------------------------
// [SECTION] Widgets: Text, etc.
//-------------------------------------------------------------------------
// - TextEx() [Internal]
// - TextUnformatted()
// - Text()
// - TextV()
// - TextColored()
// - TextColoredV()
// - TextDisabled()
// - TextDisabledV()
// - TextWrapped()
// - TextWrappedV()
// - LabelText()
// - LabelTextV()
// - BulletText()
// - BulletTextV()
//-------------------------------------------------------------------------
using namespace ImGui;
const char* keys[] = {
"None",
"M1",
"M2",
"CN",
"M3",
"M4",
"M5",
"-",
"Back",
"Tab",
"-",
"-",
"CLR",
"Enter",
"-",
"-",
"Shift",
"CTL",
"Menu",
"Pause",
"Caps",
"KAN",
"-",
"JUN",
"FIN",
"KAN",
"-",
"ESC",
"CON",
"NCO",
"ACC",
"MAD",
"Space",
"PGU",
"PGD",
"End",
"Home",
"Left",
"Up",
"Right",
"Down",
"SEL",
"PRI",
"EXE",
"PRI",
"INS",
"DEL",
"HEL",
"0",
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"-",
"-",
"-",
"-",
"-",
"-",
"-",
"A",
"B",
"C",
"D",
"E",
"F",
"G",
"H",
"I",
"J",
"K",
"L",
"M",
"N",
"O",
"P",
"Q",
"R",
"S",
"T",
"U",
"V",
"W",
"X",
"Y",
"Z",
"WIN",
"WIN",
"APP",
"-",
"SLE",
"Numpad 0",
"Numpad 1",
"Numpad 2",
"Numpad 3",
"Numpad 4",
"Numpad 5",
"Numpad 6",
"Numpad 7",
"Numpad 8",
"Numpad 9",
"MUL",
"ADD",
"SEP",
"MIN",
"Delete",
"DIV",
"F1",
"F2",
"F3",
"F4",
"F5",
"F6",
"F7",
"F8",
"F9",
"F10",
"F11",
"F12",
"F13",
"F14",
"F15",
"F16",
"F17",
"F18",
"F19",
"F20",
"F21",
"F22",
"F23",
"F24",
"-",
"-",
"-",
"-",
"-",
"-",
"-",
"-",
"NUM",
"SCR",
"EQU",
"MAS",
"TOY",
"OYA",
"OYA",
"-",
"-",
"-",
"-",
"-",
"-",
"-",
"-",
"-",
"Shift",
"Shift",
"Ctrl",
"Ctrl",
"Alt",
"Alt"
};
extern ImFont* ico_two;
extern float dpi_scale;
using namespace ImGui;
inline ImVec4 main_color(218, 96, 21, 255);
inline ImVec4 color_particle(0.7f, 0.f, 0.f, 1.f);
inline ImColor background_color(24, 24, 24, 255);
inline ImVec4 second_color(0.09f, 0.09f, 0.09f, 1.f);
inline ImVec2 frame_size = ImVec2(605, 65);
inline float anim_speed = 8.f;
inline bool draw_grind;
inline float pos_offset;
inline bool size_change;
extern ImFont* ico;
extern ImFont* ico_2;
extern ImFont* tab_text1;
extern ImFont* tab_text2;
extern ImFont* tab_text3;
///////////////////////////////////////////// TABS
inline ImVec4 tab_text_active = ImColor(255, 255, 255, 255);
inline ImVec4 tab_text_hov = ImColor(98, 112, 122, 255);
inline ImVec4 tab_text = ImColor(88, 92, 112, 255);
inline ImVec4 tab_active = ImColor(88, 109, 202, 255);
inline ImVec4 glow_active = ImColor(21, 226, 96, 230);
///////////////////////////////////////////// TEXT
inline ImVec4 text_active = ImColor(255, 255, 255, 255);
inline ImVec4 text_hov = ImColor(76, 75, 80, 255);
inline ImVec4 text = ImColor(66, 65, 70, 255);
///////////////////////////////////////////// CHILD
inline ImVec4 child_background = ImColor(22, 21, 26, 255);
inline ImVec4 border_child = ImColor(28, 27, 32, 255);
inline ImVec4 child_gradient = ImColor(218, 96, 21, 255);
inline ImVec4 border_child_default = ImColor(22, 21, 26, 255);
inline ImVec4 child_name = ImColor(62, 61, 65, 255);
///////////////////////////////////////////// GRADIENT
inline ImVec4 checkbox_gradient_start = ImColor(218, 96, 21, 255);
inline ImVec4 checkbox_gradient_end = ImColor(238, 96, 21, 255);
///////////////////////////////////////////// CHECKBOXES
inline ImVec4 checkbox_bg = ImColor(17, 16, 21, 255);
inline ImVec4 checkbox_mark = ImColor(255, 255, 255, 255);
///////////////////////////////////////////// SLIDERS
inline ImVec4 slider_background = ImColor(17, 16, 21, 255);
inline ImVec4 circle_push_gradient = ImColor(255, 255, 255, 255);
inline ImVec4 circle_pop_gradient = ImColor(255, 255, 255, 255);
///////////////////////////////////////////// INPUTTEXT
inline ImVec4 input_push_gradient = ImColor(27, 26, 31, 255);
inline ImVec4 input_pop_gradient = ImColor(17, 16, 21, 255);
///////////////////////////////////////////// SCROLLBAR
inline ImVec4 scroll_background = ImColor(15, 17, 20, 255);
inline ImVec4 scroll_keep = ImColor(36, 35, 40, 255);
///////////////////////////////////////////// COMBOBOX
inline ImVec4 combo_background = ImColor(28, 27, 32, 255);
inline ImVec4 combo_push_gradient = ImColor(27, 26, 31, 255);
inline ImVec4 combo_pop_gradient = ImColor(17, 16, 21, 255);
///////////////////////////////////////////// BUTTON
inline ImVec4 button_push_gradient_active = ImColor(27, 26, 31, 255);
inline ImVec4 button_pop_gradient_active = ImColor(17, 16, 21, 255);
inline ImVec4 button_push_gradient_hovered = ImColor(30, 29, 34, 255);
inline ImVec4 button_pop_gradient_hovered = ImColor(19, 20, 24, 255);
inline ImVec4 button_push_gradient = ImColor(27, 26, 31, 255);
inline ImVec4 button_pop_gradient = ImColor(17, 16, 21, 255);
///////////////////////////////////////////// KEYBIND
inline ImVec4 keybind_background = ImColor(18, 18, 20, 255);
inline ImVec4 keybind_border = ImColor(16, 16, 18, 255);
///////////////////////////////////////////// TAB VISIBLE
inline ImVec4 tab_push_gradient = ImColor(0, 145, 92, 255);
inline ImVec4 tab_pop_gradient = ImColor(21, 226, 96, 255);
struct keybind_state {
ImVec4 background_color;
ImVec4 rect_color;
ImVec2 key_size;
bool mode;
const char* key_name;
ImVec4 mode_color = ImVec4(1.f, 1.f, 1.f, 1.f);
ImVec4 key_color = ImVec4(1.f, 1.f, 1.f, 1.f);
ImVec4 text_color = ImVec4(1.f, 1.f, 1.f, 1.f);
float alpha = 0.f;
};
bool ImGui::Keybind1(const char* label, int* key)
{
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
const ImGuiID id = window->GetID(label);
const ImVec2 label_size = CalcTextSize(label, NULL, true);
const float square_sz = GetFrameHeight();
const ImVec2 pos = window->DC.CursorPos;
const ImRect total_bb(pos, pos + ImVec2(70, 50));
ItemSize(total_bb, style.FramePadding.y);
ItemAdd(total_bb, id);
static std::map<ImGuiID, keybind_state> anim;
auto it_anim = anim.find(id);
if (it_anim == anim.end())
{
anim.insert({ id, keybind_state() });
it_anim = anim.find(id);
}
bool hovered, held;
bool pressed = ButtonBehavior(total_bb, id, &hovered, &held);
it_anim->second.text_color = ImLerp(it_anim->second.text_color, it_anim->second.mode ? main_color : ImVec4(0.6f, 0.6f, 0.6f, 1.f), GetIO().DeltaTime * anim_speed);
if (pressed)
it_anim->second.mode = true;
if (it_anim->second.mode)
{
for (auto i = 0; i < 5; i++) {
if (g.IO.MouseDown[i]) {
switch (i) {
case 0:
*key = 1001;
break;
case 1:
*key = 1002;
break;
case 2:
*key = 1003;
break;
case 3:
*key = 1004;
break;
case 4:
*key = 1005;
break;
}
it_anim->second.mode = false;
}
}
for (int i = 0; i < 251; i++)
{
if (IsKeyDown(ImGuiKey(i), false))
{
*key = i;
it_anim->second.mode = false;
}
}
}
if (*key > 0 && !it_anim->second.mode)
{
it_anim->second.key_size = ImLerp(it_anim->second.key_size, CalcTextSize(it_anim->second.key_name), g.IO.DeltaTime * anim_speed);
if (*key < 250)
it_anim->second.key_name = GetKeyName(ImGuiKey(*key));
else
{
if (*key == 1001)
it_anim->second.key_name = "L.Mouse";
if (*key == 1002)
it_anim->second.key_name = "R.Mouse";
if (*key == 1003)
it_anim->second.key_name = "M.Mouse";
if (*key == 1004)
it_anim->second.key_name = "x1.Mouse";
if (*key == 1005)
it_anim->second.key_name = "x2.Mouse";
}
PushFont(tab_text2);
window->DrawList->AddText(total_bb.Min + ImVec2(65 - it_anim->second.key_size.x, 25 - CalcTextSize(it_anim->second.key_name).y / 2), GetColorU32(it_anim->second.text_color), it_anim->second.key_name);
PopFont();
}
if (*key == 27)
{
it_anim->second.mode = false;
*key = 0;
}
if (*key == 0 || it_anim->second.mode)
{
PushFont(ico);
it_anim->second.key_size = ImLerp(it_anim->second.key_size, CalcTextSize("D"), g.IO.DeltaTime * anim_speed);
window->DrawList->AddText(total_bb.Min + ImVec2(55 - it_anim->second.key_size.x / 2, 25 - CalcTextSize("D").y / 2), GetColorU32(it_anim->second.text_color), "D");
PopFont();
}
return pressed;
}
bool ImGui::Keybind(const char* label, int* key, bool widget_label) {
ImGuiWindow* window = ImGui::GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext& g = *GImGui;
ImGuiIO& io = g.IO;
const ImGuiStyle& style = g.Style;
ImVec2 mode_size;
ImVec2 key_size;
SetCursorPos(GetCursorPos() - ImVec2(0, 10));
const ImGuiID id = window->GetID(label);
const float size = GetWindowWidth() - 36;
const ImRect rect(window->DC.CursorPos, window->DC.CursorPos + ImVec2(size, 30));
ImRect mode_rect(window->DC.CursorPos + ImVec2(size - 0, 0), window->DC.CursorPos + ImVec2(size, 40));
ImRect key_rect;
const ImVec2 label_size = CalcTextSize(label, NULL, true);
const ImVec2 pos = window->DC.CursorPos;
const ImRect total_bb(pos, pos + ImVec2(270, 35));
ImGui::ItemSize(rect, style.FramePadding.y);
if (!ImGui::ItemAdd(rect, id))
return false;
bool popup_open = ImGui::IsPopupOpen(id, ImGuiPopupFlags_None);
bool hovered_rect = ItemHoverable(rect, id);
bool value_changed = false;
int k = *key;
mode_rect.Min.x -= mode_size.x;
key_rect = ImRect(mode_rect.Min - ImVec2(CalcItemWidth(), 0), ImVec2(mode_rect.Min.x - 1, mode_rect.Max.y));
bool hovered_mode = ItemHoverable(mode_rect, id);
char buf_display1[64] = "None";
std::string active_key = "";
active_key += keys[*key];
if (*key != 0 && g.ActiveId != id) {
strcpy_s(buf_display1, active_key.c_str());
}
else if (g.ActiveId == id) {
strcpy_s(buf_display1, "-");
}
key_size = CalcTextSize(buf_display1, NULL, true);
key_rect.Min.x -= key_size.x;
bool hovered_key = ItemHoverable(key_rect, id);
std::string nametwo = "keybind_state";
nametwo += label;
if (hovered_key && io.MouseClicked[0])
{
if (g.ActiveId != id) {
// Start edition
memset(io.MouseDown, 0, sizeof(io.MouseDown));
memset(io.KeysDown, 0, sizeof(io.KeysDown));
*key = 0;
}
ImGui::SetActiveID(id, window);
ImGui::FocusWindow(window);
}
else if (io.MouseClicked[0]) {
// Release focus when we click outside
if (g.ActiveId == id)
ImGui::ClearActiveID();
}
if (g.ActiveId == id) {
for (auto i = 0; i < 5; i++) {
if (io.MouseDown[i]) {
switch (i) {
case 0:
k = 0x01;
break;
case 1:
k = 0x02;
break;
case 2:
k = 0x04;
break;
case 3:
k = 0x05;
break;
case 4:
k = 0x06;
break;
}
value_changed = true;
ImGui::ClearActiveID();
}
}
if (!value_changed) {
for (auto i = 0x08; i <= 0xA5; i++) {
if (io.KeysDown[i]) {
k = i;
value_changed = true;
ImGui::ClearActiveID();
}
}
}
if (IsKeyPressedMap(ImGuiKey_Escape)) {
*key = 0;
ImGui::ClearActiveID();
}
else {
*key = k;
}
}
static std::map<ImGuiID, keybind_state> anim;
auto it_anim = anim.find(id);
if (it_anim == anim.end())
{
anim.insert({ id, keybind_state() });
it_anim = anim.find(id);
}
it_anim->second.text_color = ImLerp(it_anim->second.text_color, IsItemActive() ? tab_text_active : hovered_rect ? tab_text_hov : text, g.IO.DeltaTime * 6.f);
static std::map<ImGuiID, float> alpha_animation;
auto it_alpha = alpha_animation.find(id);
if (it_alpha == alpha_animation.end())
{
alpha_animation.insert({ id, 0.f });
it_alpha = alpha_animation.find(id);
}
it_alpha->second = ImLerp(it_alpha->second, hovered_rect ? 0.2f : 0.f, g.IO.DeltaTime * 6.f);
it_alpha->second *= style.Alpha;
if (widget_label) window->DrawList->AddText(rect.Min + ImVec2(0, 4), GetColorU32(it_anim->second.text_color), label);
PushStyleColor(ImGuiCol_Text, GetColorU32(it_anim->second.text_color));
window->DrawList->AddRectFilled(key_rect.Min + ImVec2(CalcItemWidth() - 21, -1), key_rect.Max - ImVec2(2, 12), GetColorU32(keybind_background), style.FrameRounding);
window->DrawList->AddRect(key_rect.Min + ImVec2(CalcItemWidth() - 21, -1), key_rect.Max - ImVec2(2, 12), GetColorU32(keybind_border), style.FrameRounding);
PopStyleColor();
RenderTextClipped(key_rect.Min - ImVec2(60, 31), key_rect.Max + ImVec2(CalcItemWidth() + 38, 16), buf_display1, NULL, NULL, ImVec2(0.5f, 0.5f));
SetCursorPos(GetCursorPos() - ImVec2(0, 10));
return value_changed;
}
void ImGui::TextEx(const char* text, const char* text_end, ImGuiTextFlags flags)
{
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return;
ImGuiContext& g = *GImGui;
// Accept null ranges
if (text == text_end)
text = text_end = "";
// Calculate length
const char* text_begin = text;
if (text_end == NULL)
text_end = text + strlen(text); // FIXME-OPT
const ImVec2 text_pos(window->DC.CursorPos.x, window->DC.CursorPos.y + window->DC.CurrLineTextBaseOffset);
const float wrap_pos_x = window->DC.TextWrapPos;
const bool wrap_enabled = (wrap_pos_x >= 0.0f);
if (text_end - text <= 2000 || wrap_enabled)
{
// Common case
const float wrap_width = wrap_enabled ? CalcWrapWidthForPos(window->DC.CursorPos, wrap_pos_x) : 0.0f;
const ImVec2 text_size = CalcTextSize(text_begin, text_end, false, wrap_width);
ImRect bb(text_pos, text_pos + text_size);
ItemSize(text_size, 0.0f);
if (!ItemAdd(bb, 0))
return;
// Render (we don't hide text after ## in this end-user function)
RenderTextWrapped(bb.Min, text_begin, text_end, wrap_width);
}
else
{
// Long text!
// Perform manual coarse clipping to optimize for long multi-line text
// - From this point we will only compute the width of lines that are visible. Optimization only available when word-wrapping is disabled.
// - We also don't vertically center the text within the line full height, which is unlikely to matter because we are likely the biggest and only item on the line.
// - We use memchr(), pay attention that well optimized versions of those str/mem functions are much faster than a casually written loop.
const char* line = text;
const float line_height = GetTextLineHeight();
ImVec2 text_size(0, 0);
// Lines to skip (can't skip when logging text)
ImVec2 pos = text_pos;
if (!g.LogEnabled)
{
int lines_skippable = (int)((window->ClipRect.Min.y - text_pos.y) / line_height);
if (lines_skippable > 0)
{
int lines_skipped = 0;
while (line < text_end && lines_skipped < lines_skippable)
{
const char* line_end = (const char*)memchr(line, '\n', text_end - line);
if (!line_end)
line_end = text_end;
if ((flags & ImGuiTextFlags_NoWidthForLargeClippedText) == 0)
text_size.x = ImMax(text_size.x, CalcTextSize(line, line_end).x);
line = line_end + 1;
lines_skipped++;
}
pos.y += lines_skipped * line_height;
}
}
// Lines to render
if (line < text_end)
{
ImRect line_rect(pos, pos + ImVec2(FLT_MAX, line_height));
while (line < text_end)
{
if (IsClippedEx(line_rect, 0))
break;
const char* line_end = (const char*)memchr(line, '\n', text_end - line);
if (!line_end)
line_end = text_end;
text_size.x = ImMax(text_size.x, CalcTextSize(line, line_end).x);
RenderText(pos, line, line_end, false);
line = line_end + 1;
line_rect.Min.y += line_height;
line_rect.Max.y += line_height;
pos.y += line_height;
}
// Count remaining lines
int lines_skipped = 0;
while (line < text_end)
{
const char* line_end = (const char*)memchr(line, '\n', text_end - line);
if (!line_end)
line_end = text_end;
if ((flags & ImGuiTextFlags_NoWidthForLargeClippedText) == 0)
text_size.x = ImMax(text_size.x, CalcTextSize(line, line_end).x);
line = line_end + 1;
lines_skipped++;
}
pos.y += lines_skipped * line_height;
}
text_size.y = (pos - text_pos).y;
ImRect bb(text_pos, text_pos + text_size);
ItemSize(text_size, 0.0f);
ItemAdd(bb, 0);
}
}
void ImGui::TextUnformatted(const char* text, const char* text_end)
{
TextEx(text, text_end, ImGuiTextFlags_NoWidthForLargeClippedText);
}
void ImGui::Text(const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
TextV(fmt, args);
va_end(args);
}
void ImGui::TextV(const char* fmt, va_list args)
{
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return;
// FIXME-OPT: Handle the %s shortcut?
const char* text, *text_end;
ImFormatStringToTempBufferV(&text, &text_end, fmt, args);
TextEx(text, text_end, ImGuiTextFlags_NoWidthForLargeClippedText);
}
void ImGui::TextColored(const ImVec4& col, const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
TextColoredV(col, fmt, args);
va_end(args);
}
void ImGui::TextColoredV(const ImVec4& col, const char* fmt, va_list args)
{
PushStyleColor(ImGuiCol_Text, col);
if (fmt[0] == '%' && fmt[1] == 's' && fmt[2] == 0)
TextEx(va_arg(args, const char*), NULL, ImGuiTextFlags_NoWidthForLargeClippedText); // Skip formatting
else
TextV(fmt, args);
PopStyleColor();
}
void ImGui::TextDisabled(const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
TextDisabledV(fmt, args);
va_end(args);
}
void ImGui::TextDisabledV(const char* fmt, va_list args)
{
ImGuiContext& g = *GImGui;
PushStyleColor(ImGuiCol_Text, g.Style.Colors[ImGuiCol_TextDisabled]);
if (fmt[0] == '%' && fmt[1] == 's' && fmt[2] == 0)
TextEx(va_arg(args, const char*), NULL, ImGuiTextFlags_NoWidthForLargeClippedText); // Skip formatting
else
TextV(fmt, args);
PopStyleColor();
}
void ImGui::TextWrapped(const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
TextWrappedV(fmt, args);
va_end(args);
}
void ImGui::TextWrappedV(const char* fmt, va_list args)
{
ImGuiContext& g = *GImGui;
bool need_backup = (g.CurrentWindow->DC.TextWrapPos < 0.0f); // Keep existing wrap position if one is already set
if (need_backup)
PushTextWrapPos(0.0f);
if (fmt[0] == '%' && fmt[1] == 's' && fmt[2] == 0)
TextEx(va_arg(args, const char*), NULL, ImGuiTextFlags_NoWidthForLargeClippedText); // Skip formatting
else
TextV(fmt, args);
if (need_backup)
PopTextWrapPos();
}
void ImGui::LabelText(const char* label, const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
LabelTextV(label, fmt, args);
va_end(args);
}
// Add a label+text combo aligned to other label+value widgets
void ImGui::LabelTextV(const char* label, const char* fmt, va_list args)
{
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return;
ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
const float w = CalcItemWidth();
const char* value_text_begin, *value_text_end;
ImFormatStringToTempBufferV(&value_text_begin, &value_text_end, fmt, args);
const ImVec2 value_size = CalcTextSize(value_text_begin, value_text_end, false);
const ImVec2 label_size = CalcTextSize(label, NULL, true);
const ImVec2 pos = window->DC.CursorPos;
const ImRect value_bb(pos, pos + ImVec2(w, value_size.y + style.FramePadding.y * 2));
const ImRect total_bb(pos, pos + ImVec2(w + (label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f), ImMax(value_size.y, label_size.y) + style.FramePadding.y * 2));
ItemSize(total_bb, style.FramePadding.y);
if (!ItemAdd(total_bb, 0))
return;
// Render
RenderTextClipped(value_bb.Min + style.FramePadding, value_bb.Max, value_text_begin, value_text_end, &value_size, ImVec2(0.0f, 0.0f));
if (label_size.x > 0.0f)
RenderText(ImVec2(value_bb.Max.x + style.ItemInnerSpacing.x, value_bb.Min.y + style.FramePadding.y), label);
}
void ImGui::BulletText(const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
BulletTextV(fmt, args);
va_end(args);
}
// Text with a little bullet aligned to the typical tree node.
void ImGui::BulletTextV(const char* fmt, va_list args)
{
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return;
ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
const char* text_begin, *text_end;
ImFormatStringToTempBufferV(&text_begin, &text_end, fmt, args);
const ImVec2 label_size = CalcTextSize(text_begin, text_end, false);
const ImVec2 total_size = ImVec2(g.FontSize + (label_size.x > 0.0f ? (label_size.x + style.FramePadding.x * 2) : 0.0f), label_size.y); // Empty text doesn't add padding
ImVec2 pos = window->DC.CursorPos;
pos.y += window->DC.CurrLineTextBaseOffset;
ItemSize(total_size, 0.0f);
const ImRect bb(pos, pos + total_size);
if (!ItemAdd(bb, 0))
return;
// Render
ImU32 text_col = GetColorU32(ImGuiCol_Text);
RenderBullet(window->DrawList, bb.Min + ImVec2(style.FramePadding.x + g.FontSize * 0.5f, g.FontSize * 0.5f), text_col);
RenderText(bb.Min + ImVec2(g.FontSize + style.FramePadding.x * 2, 0.0f), text_begin, text_end, false);
}
//-------------------------------------------------------------------------
// [SECTION] Widgets: Main
//-------------------------------------------------------------------------
// - ButtonBehavior() [Internal]
// - Button()
// - SmallButton()
// - InvisibleButton()
// - ArrowButton()
// - CloseButton() [Internal]
// - CollapseButton() [Internal]
// - GetWindowScrollbarID() [Internal]
// - GetWindowScrollbarRect() [Internal]
// - Scrollbar() [Internal]
// - ScrollbarEx() [Internal]
// - Image()
// - ImageButton()
// - Checkbox()
// - CheckboxFlagsT() [Internal]
// - CheckboxFlags()
// - RadioButton()
// - ProgressBar()
// - Bullet()