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# Conflicts:
#	imgui.cpp
This commit is contained in:
omar 2017-08-26 18:43:10 +08:00
commit 807322c9a5
12 changed files with 143 additions and 90 deletions
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2
LICENSE.txt
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@ -1,6 +1,6 @@
The MIT License (MIT)
Copyright (c) 2014-2015 Omar Cornut and ImGui contributors
Copyright (c) 2014-2017 Omar Cornut and ImGui contributors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

2
examples/allegro5_example/imgui_impl_a5.cpp
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@ -262,7 +262,7 @@ void ImGui_ImplA5_NewFrame()
}
else
{
io.MousePos = ImVec2(-1, -1);
io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX);
}
al_get_mouse_state(&mouse);

2
examples/opengl2_example/imgui_impl_glfw.cpp
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@ -279,7 +279,7 @@ void ImGui_ImplGlfw_NewFrame()
}
else
{
io.MousePos = ImVec2(-1,-1);
io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX);
}
for (int i = 0; i < 3; i++)

2
examples/opengl3_example/imgui_impl_glfw_gl3.cpp
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@ -390,7 +390,7 @@ void ImGui_ImplGlfwGL3_NewFrame()
}
else
{
io.MousePos = ImVec2(-1,-1);
io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX);
}
for (int i = 0; i < 3; i++)

2
examples/sdl_opengl2_example/imgui_impl_sdl.cpp
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@ -265,7 +265,7 @@ void ImGui_ImplSdl_NewFrame(SDL_Window *window)
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MOUSE_FOCUS)
io.MousePos = ImVec2((float)mx, (float)my); // Mouse position, in pixels (set to -1,-1 if no mouse / on another screen, etc.)
else
io.MousePos = ImVec2(-1,-1);
io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX);
io.MouseDown[0] = g_MousePressed[0] || (mouseMask & SDL_BUTTON(SDL_BUTTON_LEFT)) != 0; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame.
io.MouseDown[1] = g_MousePressed[1] || (mouseMask & SDL_BUTTON(SDL_BUTTON_RIGHT)) != 0;

2
examples/sdl_opengl3_example/imgui_impl_sdl_gl3.cpp
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@ -377,7 +377,7 @@ void ImGui_ImplSdlGL3_NewFrame(SDL_Window* window)
if (SDL_GetWindowFlags(window) & SDL_WINDOW_MOUSE_FOCUS)
io.MousePos = ImVec2((float)mx, (float)my); // Mouse position, in pixels (set to -1,-1 if no mouse / on another screen, etc.)
else
io.MousePos = ImVec2(-1, -1);
io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX);
io.MouseDown[0] = g_MousePressed[0] || (mouseMask & SDL_BUTTON(SDL_BUTTON_LEFT)) != 0; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame.
io.MouseDown[1] = g_MousePressed[1] || (mouseMask & SDL_BUTTON(SDL_BUTTON_RIGHT)) != 0;

2
examples/vulkan_example/imgui_impl_glfw_vulkan.cpp
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@ -815,7 +815,7 @@ void ImGui_ImplGlfwVulkan_NewFrame()
}
else
{
io.MousePos = ImVec2(-1,-1);
io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX);
}
for (int i = 0; i < 3; i++)

57
imgui.cpp
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@ -1,4 +1,4 @@
// dear imgui, v1.51 WIP
// dear imgui, v1.52 WIP
// (main code and documentation)
// ** EXPERIMENTAL GAMEPAD/KEYBOARD NAVIGATION BRANCH
@ -8,7 +8,7 @@
// Newcomers, read 'Programmer guide' below for notes on how to setup ImGui in your codebase.
// Get latest version at https://github.com/ocornut/imgui
// Releases change-log at https://github.com/ocornut/imgui/releases
// Gallery (please post your screenshots/video there!): https://github.com/ocornut/imgui/issues/772
// Gallery (please post your screenshots/video there!): https://github.com/ocornut/imgui/issues/1269
// Developed by Omar Cornut and every direct or indirect contributors to the GitHub.
// This library is free but I need your support to sustain development and maintenance.
// If you work for a company, please consider financial support, e.g: https://www.patreon.com/imgui
@ -240,6 +240,7 @@
Here is a change-log of API breaking changes, if you are using one of the functions listed, expect to have to fix some code.
Also read releases logs https://github.com/ocornut/imgui/releases for more details.
- 2017/08/25 (1.52) - io.MousePos needs to be set to ImVec2(-FLT_MAX,-FLT_MAX) when mouse is unavailable/missing. Previously ImVec2(-1,-1) was enough but we now accept negative mouse coordinates. In your binding if you need to support unavailable mouse, make sure to replace "io.MousePos = ImVec2(-1,-1)" with "io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX)".
- 2017/08/22 (1.51) - renamed IsItemHoveredRect() to IsItemRectHovered(). Kept inline redirection function (will obsolete).
- renamed IsMouseHoveringAnyWindow() to IsAnyWindowHovered() for consistency. Kept inline redirection function (will obsolete).
- renamed IsMouseHoveringWindow() to IsWindowRectHovered() for consistency. Kept inline redirection function (will obsolete).
@ -620,7 +621,6 @@
#pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value
#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'xxxx' to type 'xxxx' casts away qualifiers
#pragma GCC diagnostic ignored "-Wformat-nonliteral" // warning: format not a string literal, format string not checked
#pragma GCC diagnostic ignored "-Wsuggest-attribute=format"
#endif
//-------------------------------------------------------------------------
@ -740,7 +740,7 @@ ImGuiStyle::ImGuiStyle()
Colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
Colors[ImGuiCol_ChildWindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
Colors[ImGuiCol_PopupBg] = ImVec4(0.05f, 0.05f, 0.10f, 0.90f);
Colors[ImGuiCol_Border] = ImVec4(0.70f, 0.70f, 0.70f, 0.22f);
Colors[ImGuiCol_Border] = ImVec4(0.70f, 0.70f, 0.70f, 0.40f);
Colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
Colors[ImGuiCol_FrameBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.30f); // Background of checkbox, radio button, plot, slider, text input
Colors[ImGuiCol_FrameBgHovered] = ImVec4(0.90f, 0.80f, 0.80f, 0.40f);
@ -820,8 +820,8 @@ ImGuiIO::ImGuiIO()
ImeWindowHandle = NULL;
// Input (NB: we already have memset zero the entire structure)
MousePos = ImVec2(-1,-1);
MousePosPrev = ImVec2(-1,-1);
MousePos = ImVec2(-FLT_MAX,-FLT_MAX);
MousePosPrev = ImVec2(-FLT_MAX,-FLT_MAX);
MouseDragThreshold = 6.0f;
for (int i = 0; i < IM_ARRAYSIZE(MouseDownDuration); i++) MouseDownDuration[i] = MouseDownDurationPrev[i] = -1.0f;
for (int i = 0; i < IM_ARRAYSIZE(KeysDownDuration); i++) KeysDownDuration[i] = KeysDownDurationPrev[i] = -1.0f;
@ -2784,16 +2784,9 @@ void ImGui::NewFrame()
IM_ASSERT(g.Style.CurveTessellationTol > 0.0f); // Invalid style setting
IM_ASSERT(g.Style.Alpha >= 0.0f && g.Style.Alpha <= 1.0f); // Invalid style setting. Alpha cannot be negative (allows us to avoid a few clamps in color computations)
if (!g.Initialized)
{
// Initialize on first frame
g.LogClipboard = (ImGuiTextBuffer*)ImGui::MemAlloc(sizeof(ImGuiTextBuffer));
IM_PLACEMENT_NEW(g.LogClipboard) ImGuiTextBuffer();
IM_ASSERT(g.Settings.empty());
LoadIniSettingsFromDisk(g.IO.IniFilename);
g.Initialized = true;
}
if (!g.Initialized)
ImGui::Initialize();
SetCurrentFont(GetDefaultFont());
IM_ASSERT(g.Font->IsLoaded());
@ -2834,14 +2827,14 @@ void ImGui::NewFrame()
NavUpdate();
// Update mouse input state
if (g.IO.MousePos.x < 0 && g.IO.MousePos.y < 0)
g.IO.MousePos = ImVec2(-9999.0f, -9999.0f);
if ((g.IO.MousePos.x < 0 && g.IO.MousePos.y < 0) || (g.IO.MousePosPrev.x < 0 && g.IO.MousePosPrev.y < 0)) // if mouse just appeared or disappeared (negative coordinate) we cancel out movement in MouseDelta
g.IO.MouseDelta = ImVec2(0.0f, 0.0f);
else
// If mouse just appeared or disappeared (usually denoted by -FLT_MAX component, but in reality we test for -256000.0f) we cancel out movement in MouseDelta
if (IsMousePosValid(&g.IO.MousePos) && IsMousePosValid(&g.IO.MousePosPrev))
g.IO.MouseDelta = g.IO.MousePos - g.IO.MousePosPrev;
else
g.IO.MouseDelta = ImVec2(0.0f, 0.0f);
if (g.IO.MouseDelta.x != 0.0f || g.IO.MouseDelta.y != 0.0f)
g.NavDisableMouseHover = false;
g.IO.MousePosPrev = g.IO.MousePos;
for (int i = 0; i < IM_ARRAYSIZE(g.IO.MouseDown); i++)
{
@ -3030,7 +3023,18 @@ void ImGui::NewFrame()
ImGui::Begin("Debug");
}
// NB: behavior of ImGui after Shutdown() is not tested/guaranteed at the moment. This function is merely here to free heap allocations.
void ImGui::Initialize()
{
ImGuiContext& g = *GImGui;
g.LogClipboard = (ImGuiTextBuffer*)ImGui::MemAlloc(sizeof(ImGuiTextBuffer));
IM_PLACEMENT_NEW(g.LogClipboard) ImGuiTextBuffer();
IM_ASSERT(g.Settings.empty());
LoadIniSettingsFromDisk(g.IO.IniFilename);
g.Initialized = true;
}
// This function is merely here to free heap allocations.
void ImGui::Shutdown()
{
ImGuiContext& g = *GImGui;
@ -3039,7 +3043,7 @@ void ImGui::Shutdown()
if (g.IO.Fonts) // Testing for NULL to allow user to NULLify in case of running Shutdown() on multiple contexts. Bit hacky.
g.IO.Fonts->Clear();
// Cleanup of other data are conditional on actually having used ImGui.
// Cleanup of other data are conditional on actually having initialize ImGui.
if (!g.Initialized)
return;
@ -3937,6 +3941,15 @@ ImVec2 ImGui::GetMousePosOnOpeningCurrentPopup()
return g.IO.MousePos;
}
// We typically use ImVec2(-FLT_MAX,-FLT_MAX) to denote an invalid mouse position
bool ImGui::IsMousePosValid(const ImVec2* mouse_pos)
{
if (mouse_pos == NULL)
mouse_pos = &GImGui->IO.MousePos;
const float MOUSE_INVALID = -256000.0f;
return mouse_pos->x >= MOUSE_INVALID && mouse_pos->y >= MOUSE_INVALID;
}
ImVec2 ImGui::GetMouseDragDelta(int button, float lock_threshold)
{
ImGuiContext& g = *GImGui;

87
imgui.h
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@ -1,4 +1,4 @@
// dear imgui, v1.51 WIP
// dear imgui, v1.52 WIP
// (headers)
// See imgui.cpp file for documentation.
@ -16,7 +16,7 @@
#include <stddef.h> // ptrdiff_t, NULL
#include <string.h> // memset, memmove, memcpy, strlen, strchr, strcpy, strcmp
#define IMGUI_VERSION "1.51 WIP"
#define IMGUI_VERSION "1.52 WIP"
// Define attributes of all API symbols declarations, e.g. for DLL under Windows.
#ifndef IMGUI_API
@ -31,9 +31,11 @@
// Some compilers support applying printf-style warnings to user functions.
#if defined(__clang__) || defined(__GNUC__)
#define IM_PRINTFARGS(FMT) __attribute__((format(printf, FMT, (FMT+1))))
#define IM_FMTARGS(FMT) __attribute__((format(printf, FMT, FMT+1)))
#define IM_FMTLIST(FMT) __attribute__((format(printf, FMT, 0)))
#else
#define IM_PRINTFARGS(FMT)
#define IM_FMTARGS(FMT)
#define IM_FMTLIST(FMT)
#endif
#if defined(__clang__)
@ -243,34 +245,36 @@ namespace ImGui
IMGUI_API int GetColumnsCount();
// ID scopes
// If you are creating widgets in a loop you most likely want to push a unique identifier so ImGui can differentiate them.
// If you are creating widgets in a loop you most likely want to push a unique identifier (e.g. object pointer, loop index) so ImGui can differentiate them.
// You can also use the "##foobar" syntax within widget label to distinguish them from each others. Read "A primer on the use of labels/IDs" in the FAQ for more details.
IMGUI_API void PushID(const char* str_id); // push identifier into the ID stack. IDs are hash of the *entire* stack!
IMGUI_API void PushID(const char* str_id); // push identifier into the ID stack. IDs are hash of the entire stack!
IMGUI_API void PushID(const char* str_id_begin, const char* str_id_end);
IMGUI_API void PushID(const void* ptr_id);
IMGUI_API void PushID(int int_id);
IMGUI_API void PopID();
IMGUI_API ImGuiID GetID(const char* str_id); // calculate unique ID (hash of whole ID stack + given parameter). useful if you want to query into ImGuiStorage yourself
IMGUI_API ImGuiID GetID(const char* str_id); // calculate unique ID (hash of whole ID stack + given parameter). e.g. if you want to query into ImGuiStorage yourself
IMGUI_API ImGuiID GetID(const char* str_id_begin, const char* str_id_end);
IMGUI_API ImGuiID GetID(const void* ptr_id);
// Widgets
IMGUI_API void Text(const char* fmt, ...) IM_PRINTFARGS(1);
IMGUI_API void TextV(const char* fmt, va_list args);
IMGUI_API void TextColored(const ImVec4& col, const char* fmt, ...) IM_PRINTFARGS(2); // shortcut for PushStyleColor(ImGuiCol_Text, col); Text(fmt, ...); PopStyleColor();
IMGUI_API void TextColoredV(const ImVec4& col, const char* fmt, va_list args);
IMGUI_API void TextDisabled(const char* fmt, ...) IM_PRINTFARGS(1); // shortcut for PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_TextDisabled]); Text(fmt, ...); PopStyleColor();
IMGUI_API void TextDisabledV(const char* fmt, va_list args);
IMGUI_API void TextWrapped(const char* fmt, ...) IM_PRINTFARGS(1); // shortcut for PushTextWrapPos(0.0f); Text(fmt, ...); PopTextWrapPos();. Note that this won't work on an auto-resizing window if there's no other widgets to extend the window width, yoy may need to set a size using SetNextWindowSize().
IMGUI_API void TextWrappedV(const char* fmt, va_list args);
IMGUI_API void TextUnformatted(const char* text, const char* text_end = NULL); // doesn't require null terminated string if 'text_end' is specified. no copy done to any bounded stack buffer, recommended for long chunks of text
IMGUI_API void LabelText(const char* label, const char* fmt, ...) IM_PRINTFARGS(2); // display text+label aligned the same way as value+label widgets
IMGUI_API void LabelTextV(const char* label, const char* fmt, va_list args);
// Widgets: Text
IMGUI_API void TextUnformatted(const char* text, const char* text_end = NULL); // doesn't require null terminated string if 'text_end' is specified. no copy done, no limits, recommended for long chunks of text
IMGUI_API void Text(const char* fmt, ...) IM_FMTARGS(1); // simple formatted text
IMGUI_API void TextV(const char* fmt, va_list args) IM_FMTLIST(1);
IMGUI_API void TextColored(const ImVec4& col, const char* fmt, ...) IM_FMTARGS(2); // shortcut for PushStyleColor(ImGuiCol_Text, col); Text(fmt, ...); PopStyleColor();
IMGUI_API void TextColoredV(const ImVec4& col, const char* fmt, va_list args) IM_FMTLIST(2);
IMGUI_API void TextDisabled(const char* fmt, ...) IM_FMTARGS(1); // shortcut for PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_TextDisabled]); Text(fmt, ...); PopStyleColor();
IMGUI_API void TextDisabledV(const char* fmt, va_list args) IM_FMTLIST(1);
IMGUI_API void TextWrapped(const char* fmt, ...) IM_FMTARGS(1); // shortcut for PushTextWrapPos(0.0f); Text(fmt, ...); PopTextWrapPos();. Note that this won't work on an auto-resizing window if there's no other widgets to extend the window width, yoy may need to set a size using SetNextWindowSize().
IMGUI_API void TextWrappedV(const char* fmt, va_list args) IM_FMTLIST(1);
IMGUI_API void LabelText(const char* label, const char* fmt, ...) IM_FMTARGS(2); // display text+label aligned the same way as value+label widgets
IMGUI_API void LabelTextV(const char* label, const char* fmt, va_list args) IM_FMTLIST(2);
IMGUI_API void BulletText(const char* fmt, ...) IM_FMTARGS(1); // shortcut for Bullet()+Text()
IMGUI_API void BulletTextV(const char* fmt, va_list args) IM_FMTLIST(1);
IMGUI_API void Bullet(); // draw a small circle and keep the cursor on the same line. advance cursor x position by GetTreeNodeToLabelSpacing(), same distance that TreeNode() uses
IMGUI_API void BulletText(const char* fmt, ...) IM_PRINTFARGS(1); // shortcut for Bullet()+Text()
IMGUI_API void BulletTextV(const char* fmt, va_list args);
// Widgets: Main
IMGUI_API bool Button(const char* label, const ImVec2& size = ImVec2(0,0)); // button
IMGUI_API bool SmallButton(const char* label); // button with FramePadding=(0,0) to easily embed in text
IMGUI_API bool SmallButton(const char* label); // button with FramePadding=(0,0) to easily embed within text
IMGUI_API bool InvisibleButton(const char* str_id, const ImVec2& size);
IMGUI_API void Image(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0 = ImVec2(0,0), const ImVec2& uv1 = ImVec2(1,1), const ImVec4& tint_col = ImVec4(1,1,1,1), const ImVec4& border_col = ImVec4(0,0,0,0));
IMGUI_API bool ImageButton(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0 = ImVec2(0,0), const ImVec2& uv1 = ImVec2(1,1), int frame_padding = -1, const ImVec4& bg_col = ImVec4(0,0,0,0), const ImVec4& tint_col = ImVec4(1,1,1,1)); // <0 frame_padding uses default frame padding settings. 0 for no padding
@ -337,15 +341,15 @@ namespace ImGui
// Widgets: Trees
IMGUI_API bool TreeNode(const char* label); // if returning 'true' the node is open and the tree id is pushed into the id stack. user is responsible for calling TreePop().
IMGUI_API bool TreeNode(const char* str_id, const char* fmt, ...) IM_PRINTFARGS(2); // read the FAQ about why and how to use ID. to align arbitrary text at the same level as a TreeNode() you can use Bullet().
IMGUI_API bool TreeNode(const void* ptr_id, const char* fmt, ...) IM_PRINTFARGS(2); // "
IMGUI_API bool TreeNodeV(const char* str_id, const char* fmt, va_list args); // "
IMGUI_API bool TreeNodeV(const void* ptr_id, const char* fmt, va_list args); // "
IMGUI_API bool TreeNode(const char* str_id, const char* fmt, ...) IM_FMTARGS(2); // read the FAQ about why and how to use ID. to align arbitrary text at the same level as a TreeNode() you can use Bullet().
IMGUI_API bool TreeNode(const void* ptr_id, const char* fmt, ...) IM_FMTARGS(2); // "
IMGUI_API bool TreeNodeV(const char* str_id, const char* fmt, va_list args) IM_FMTLIST(2);
IMGUI_API bool TreeNodeV(const void* ptr_id, const char* fmt, va_list args) IM_FMTLIST(2);
IMGUI_API bool TreeNodeEx(const char* label, ImGuiTreeNodeFlags flags = 0);
IMGUI_API bool TreeNodeEx(const char* str_id, ImGuiTreeNodeFlags flags, const char* fmt, ...) IM_PRINTFARGS(3);
IMGUI_API bool TreeNodeEx(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, ...) IM_PRINTFARGS(3);
IMGUI_API bool TreeNodeExV(const char* str_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args);
IMGUI_API bool TreeNodeExV(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args);
IMGUI_API bool TreeNodeEx(const char* str_id, ImGuiTreeNodeFlags flags, const char* fmt, ...) IM_FMTARGS(3);
IMGUI_API bool TreeNodeEx(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, ...) IM_FMTARGS(3);
IMGUI_API bool TreeNodeExV(const char* str_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args) IM_FMTLIST(3);
IMGUI_API bool TreeNodeExV(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args) IM_FMTLIST(3);
IMGUI_API void TreePush(const char* str_id = NULL); // ~ Indent()+PushId(). Already called by TreeNode() when returning true, but you can call Push/Pop yourself for layout purpose
IMGUI_API void TreePush(const void* ptr_id = NULL); // "
IMGUI_API void TreePop(); // ~ Unindent()+PopId()
@ -371,8 +375,8 @@ namespace ImGui
IMGUI_API void Value(const char* prefix, float v, const char* float_format = NULL);
// Tooltips
IMGUI_API void SetTooltip(const char* fmt, ...) IM_PRINTFARGS(1); // set text tooltip under mouse-cursor, typically use with ImGui::IsItemHovered(). overidde any previous call to SetTooltip().
IMGUI_API void SetTooltipV(const char* fmt, va_list args);
IMGUI_API void SetTooltip(const char* fmt, ...) IM_FMTARGS(1); // set text tooltip under mouse-cursor, typically use with ImGui::IsItemHovered(). overidde any previous call to SetTooltip().
IMGUI_API void SetTooltipV(const char* fmt, va_list args) IM_FMTLIST(1);
IMGUI_API void BeginTooltip(); // begin/append a tooltip window. to create full-featured tooltip (with any kind of contents).
IMGUI_API void EndTooltip();
@ -403,7 +407,7 @@ namespace ImGui
IMGUI_API void LogToClipboard(int max_depth = -1); // start logging to OS clipboard
IMGUI_API void LogFinish(); // stop logging (close file, etc.)
IMGUI_API void LogButtons(); // helper to display buttons for logging to tty/file/clipboard
IMGUI_API void LogText(const char* fmt, ...) IM_PRINTFARGS(1); // pass text data straight to log (without being displayed)
IMGUI_API void LogText(const char* fmt, ...) IM_FMTARGS(1); // pass text data straight to log (without being displayed)
// Clipping
IMGUI_API void PushClipRect(const ImVec2& clip_rect_min, const ImVec2& clip_rect_max, bool intersect_with_current_clip_rect);
@ -461,6 +465,7 @@ namespace ImGui
IMGUI_API bool IsMouseReleased(int button); // did mouse button released (went from Down to !Down)
IMGUI_API bool IsMouseDragging(int button = 0, float lock_threshold = -1.0f); // is mouse dragging. if lock_threshold < -1.0f uses io.MouseDraggingThreshold
IMGUI_API bool IsMouseHoveringRect(const ImVec2& r_min, const ImVec2& r_max, bool clip = true); // is mouse hovering given bounding rect (in screen space). clipped by current clipping settings. disregarding of consideration of focus/window ordering/blocked by a popup.
IMGUI_API bool IsMousePosValid(const ImVec2* mouse_pos = NULL); //
IMGUI_API ImVec2 GetMousePos(); // shortcut to ImGui::GetIO().MousePos provided by user, to be consistent with other calls
IMGUI_API ImVec2 GetMousePosOnOpeningCurrentPopup(); // retrieve backup of mouse positioning at the time of opening popup we have BeginPopup() into
IMGUI_API ImVec2 GetMouseDragDelta(int button = 0, float lock_threshold = -1.0f); // dragging amount since clicking. if lock_threshold < -1.0f uses io.MouseDraggingThreshold
@ -863,7 +868,7 @@ struct ImGuiIO
// Input - Fill before calling NewFrame()
//------------------------------------------------------------------
ImVec2 MousePos; // Mouse position, in pixels (set to -1,-1 if no mouse / on another screen, etc.)
ImVec2 MousePos; // Mouse position, in pixels. Set to ImVec2(-FLT_MAX,-FLT_MAX) if mouse is unavailable (on another screen, etc.)
bool MouseDown[5]; // Mouse buttons: left, right, middle + extras. ImGui itself mostly only uses left button (BeginPopupContext** are using right button). Others buttons allows us to track if the mouse is being used by your application + available to user as a convenience via IsMouse** API.
float MouseWheel; // Mouse wheel: 1 unit scrolls about 5 lines text.
bool MouseDrawCursor; // Request ImGui to draw a mouse cursor for you (if you are on a platform without a mouse cursor).
@ -1041,8 +1046,8 @@ struct ImGuiTextBuffer
bool empty() { return Buf.Size <= 1; }
void clear() { Buf.clear(); Buf.push_back(0); }
const char* c_str() const { return Buf.Data; }
IMGUI_API void append(const char* fmt, ...) IM_PRINTFARGS(2);
IMGUI_API void appendv(const char* fmt, va_list args);
IMGUI_API void append(const char* fmt, ...) IM_FMTARGS(2);
IMGUI_API void appendv(const char* fmt, va_list args) IM_FMTLIST(2);
};
// Helper: Simple Key->value storage
@ -1362,15 +1367,17 @@ struct ImFontConfig
{
void* FontData; // // TTF/OTF data
int FontDataSize; // // TTF/OTF data size
bool FontDataOwnedByAtlas; // true // TTF/OTF data ownership taken by the container ImFontAtlas (will delete memory itself). Set to true
bool FontDataOwnedByAtlas; // true // TTF/OTF data ownership taken by the container ImFontAtlas (will delete memory itself).
int FontNo; // 0 // Index of font within TTF/OTF file
float SizePixels; // // Size in pixels for rasterizer
float SizePixels; // // Size in pixels for rasterizer.
int OversampleH, OversampleV; // 3, 1 // Rasterize at higher quality for sub-pixel positioning. We don't use sub-pixel positions on the Y axis.
bool PixelSnapH; // false // Align every glyph to pixel boundary. Useful e.g. if you are merging a non-pixel aligned font with the default font. If enabled, you can set OversampleH/V to 1.
ImVec2 GlyphExtraSpacing; // 0, 0 // Extra spacing (in pixels) between glyphs. Only X axis is supported for now.
ImVec2 GlyphOffset; // 0, 0 // Offset all glyphs from this font input
const ImWchar* GlyphRanges; // // Pointer to a user-provided list of Unicode range (2 value per range, values are inclusive, zero-terminated list). THE ARRAY DATA NEEDS TO PERSIST AS LONG AS THE FONT IS ALIVE.
ImVec2 GlyphOffset; // 0, 0 // Offset all glyphs from this font input.
const ImWchar* GlyphRanges; // NULL // Pointer to a user-provided list of Unicode range (2 value per range, values are inclusive, zero-terminated list). THE ARRAY DATA NEEDS TO PERSIST AS LONG AS THE FONT IS ALIVE.
bool MergeMode; // false // Merge into previous ImFont, so you can combine multiple inputs font into one ImFont (e.g. ASCII font + icons + Japanese glyphs). You may want to use GlyphOffset.y when merge font of different heights.
unsigned int RasterizerFlags; // 0x00 // Settings for custom font rasterizer (e.g. ImGuiFreeType). Leave as zero if you aren't using one.
float RasterizerMultiply; // 1.0f // Brighten (>1.0f) or darken (<1.0f) font output. Brightening small fonts may be a good workaround to make them more readable.
// [Internal]
char Name[32]; // Name (strictly to ease debugging)

9
imgui_demo.cpp
View File

@ -1,4 +1,4 @@
// dear imgui, v1.51 WIP
// dear imgui, v1.52 WIP
// (demo code)
// Message to the person tempted to delete this file when integrating ImGui into their code base:
@ -194,7 +194,7 @@ void ImGui::ShowTestWindow(bool* p_open)
//ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.65f); // 2/3 of the space for widget and 1/3 for labels
ImGui::PushItemWidth(-140); // Right align, keep 140 pixels for labels
ImGui::Text("Dear ImGui says hello.");
ImGui::Text("dear imgui says hello. (%s)", IMGUI_VERSION);
// Menu
if (ImGui::BeginMenuBar())
@ -1579,6 +1579,7 @@ void ImGui::ShowTestWindow(bool* p_open)
if (ImGui::TreeNode("Borders"))
{
// NB: Future columns API should allow automatic horizontal borders.
static bool h_borders = true;
static bool v_borders = true;
ImGui::Checkbox("horizontal", &h_borders);
@ -2309,7 +2310,7 @@ struct ExampleAppConsole
ScrollToBottom = true;
}
void AddLog(const char* fmt, ...) IM_PRINTFARGS(2)
void AddLog(const char* fmt, ...) IM_FMTARGS(2)
{
char buf[1024];
va_list args;
@ -2574,7 +2575,7 @@ struct ExampleAppLog
void Clear() { Buf.clear(); LineOffsets.clear(); }
void AddLog(const char* fmt, ...) IM_PRINTFARGS(2)
void AddLog(const char* fmt, ...) IM_FMTARGS(2)
{
int old_size = Buf.size();
va_list args;

43
imgui_draw.cpp
View File

@ -1,4 +1,4 @@
// dear imgui, v1.51 WIP
// dear imgui, v1.52 WIP
// (drawing and font code)
// Contains implementation for
@ -1051,8 +1051,10 @@ ImFontConfig::ImFontConfig()
GlyphOffset = ImVec2(0.0f, 0.0f);
GlyphRanges = NULL;
MergeMode = false;
DstFont = NULL;
RasterizerFlags = 0x00;
RasterizerMultiply = 1.0f;
memset(Name, 0, sizeof(Name));
DstFont = NULL;
}
//-----------------------------------------------------------------------------
@ -1340,6 +1342,23 @@ bool ImFontAtlas::Build()
return ImFontAtlasBuildWithStbTruetype(this);
}
void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor)
{
for (unsigned int i = 0; i < 256; i++)
{
unsigned int value = (unsigned int)(i * in_brighten_factor);
out_table[i] = value > 255 ? 255 : (value & 0xFF);
}
}
void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride)
{
unsigned char* data = pixels + x + y * stride;
for (int j = h; j > 0; j--, data += stride)
for (int i = 0; i < w; i++)
data[i] = table[data[i]];
}
bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
{
IM_ASSERT(atlas->ConfigData.Size > 0);
@ -1382,6 +1401,7 @@ bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
{
stbtt_fontinfo FontInfo;
stbrp_rect* Rects;
int RectsCount;
stbtt_pack_range* Ranges;
int RangesCount;
};
@ -1434,6 +1454,7 @@ bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
// Pack
tmp.Rects = buf_rects + buf_rects_n;
tmp.RectsCount = font_glyphs_count;
buf_rects_n += font_glyphs_count;
stbtt_PackSetOversampling(&spc, cfg.OversampleH, cfg.OversampleV);
int n = stbtt_PackFontRangesGatherRects(&spc, &tmp.FontInfo, tmp.Ranges, tmp.RangesCount, tmp.Rects);
@ -1463,6 +1484,14 @@ bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
ImFontTempBuildData& tmp = tmp_array[input_i];
stbtt_PackSetOversampling(&spc, cfg.OversampleH, cfg.OversampleV);
stbtt_PackFontRangesRenderIntoRects(&spc, &tmp.FontInfo, tmp.Ranges, tmp.RangesCount, tmp.Rects);
if (cfg.RasterizerMultiply != 1.0f)
{
unsigned char multiply_table[256];
ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply);
for (const stbrp_rect* r = tmp.Rects; r != tmp.Rects + tmp.RectsCount; r++)
if (r->was_packed)
ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, spc.pixels, r->x, r->y, r->w, r->h, spc.stride_in_bytes);
}
tmp.Rects = NULL;
}
@ -1478,15 +1507,15 @@ bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
ImFontTempBuildData& tmp = tmp_array[input_i];
ImFont* dst_font = cfg.DstFont; // We can have multiple input fonts writing into a same destination font (when using MergeMode=true)
float font_scale = stbtt_ScaleForPixelHeight(&tmp.FontInfo, cfg.SizePixels);
const float font_scale = stbtt_ScaleForPixelHeight(&tmp.FontInfo, cfg.SizePixels);
int unscaled_ascent, unscaled_descent, unscaled_line_gap;
stbtt_GetFontVMetrics(&tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap);
float ascent = unscaled_ascent * font_scale;
float descent = unscaled_descent * font_scale;
const float ascent = unscaled_ascent * font_scale;
const float descent = unscaled_descent * font_scale;
ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent);
float off_x = cfg.GlyphOffset.x;
float off_y = cfg.GlyphOffset.y + (float)(int)(dst_font->Ascent + 0.5f);
const float off_x = cfg.GlyphOffset.x;
const float off_y = cfg.GlyphOffset.y + (float)(int)(dst_font->Ascent + 0.5f);
dst_font->FallbackGlyph = NULL; // Always clear fallback so FindGlyph can return NULL. It will be set again in BuildLookupTable()
for (int i = 0; i < tmp.RangesCount; i++)

9
imgui_internal.h
View File

@ -1,4 +1,4 @@
// dear imgui, v1.51 WIP
// dear imgui, v1.52 WIP
// (internals)
// You may use this file to debug, understand or extend ImGui features but we don't provide any guarantee of forward compatibility!
@ -111,8 +111,8 @@ IMGUI_API char* ImStrdup(const char* str);
IMGUI_API int ImStrlenW(const ImWchar* str);
IMGUI_API const ImWchar*ImStrbolW(const ImWchar* buf_mid_line, const ImWchar* buf_begin); // Find beginning-of-line
IMGUI_API const char* ImStristr(const char* haystack, const char* haystack_end, const char* needle, const char* needle_end);
IMGUI_API int ImFormatString(char* buf, int buf_size, const char* fmt, ...) IM_PRINTFARGS(3);
IMGUI_API int ImFormatStringV(char* buf, int buf_size, const char* fmt, va_list args);
IMGUI_API int ImFormatString(char* buf, int buf_size, const char* fmt, ...) IM_FMTARGS(3);
IMGUI_API int ImFormatStringV(char* buf, int buf_size, const char* fmt, va_list args) IM_FMTLIST(3);
// Helpers: Math
// We are keeping those not leaking to the user by default, in the case the user has implicit cast operators between ImVec2 and its own types (when IM_VEC2_CLASS_EXTRA is defined)
@ -819,6 +819,7 @@ namespace ImGui
IMGUI_API ImGuiWindow* FindWindowByName(const char* name);
IMGUI_API void FocusWindow(ImGuiWindow* window);
IMGUI_API void Initialize();
IMGUI_API void EndFrame(); // Ends the ImGui frame. Automatically called by Render()! you most likely don't need to ever call that yourself directly. If you don't need to render you can call EndFrame() but you'll have wasted CPU already. If you don't need to render, don't create any windows instead!
IMGUI_API void SetActiveID(ImGuiID id, ImGuiWindow* window);
@ -900,6 +901,8 @@ IMGUI_API void ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtl
IMGUI_API void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent);
IMGUI_API void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* spc);
IMGUI_API void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas);
IMGUI_API void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_multiply_factor);
IMGUI_API void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride);
#ifdef __clang__
#pragma clang diagnostic pop