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Merge branch 'viewport' into docking

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# Conflicts:
#	imgui.cpp
This commit is contained in:
omar 2019-01-10 16:02:32 +01:00
commit 8011197c50
9 changed files with 238 additions and 169 deletions
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3
docs/CHANGELOG.txt
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@ -125,11 +125,14 @@ Other Changes:
- InputFloat: When using ImGuiInputTextFlags_ReadOnly the step buttons are disabled. (#2257) - InputFloat: When using ImGuiInputTextFlags_ReadOnly the step buttons are disabled. (#2257)
- Nav: Fixed an keyboard issue where holding Activate/Space for longer than two frames on a button would unnecessary - Nav: Fixed an keyboard issue where holding Activate/Space for longer than two frames on a button would unnecessary
keep the focus on the parent window, which could steal it from newly appearing windows. (#787) keep the focus on the parent window, which could steal it from newly appearing windows. (#787)
- Nav: Fixed animated window titles from being updated when displayed in the CTRL+Tab list. (#787)
- Error recovery: Extraneous/undesired calls to End() are now being caught by an assert in the End() function closer - Error recovery: Extraneous/undesired calls to End() are now being caught by an assert in the End() function closer
to the user call site (instead of being reported in EndFrame). Past the assert, they don't lead to crashes any more. (#1651) to the user call site (instead of being reported in EndFrame). Past the assert, they don't lead to crashes any more. (#1651)
Missing calls to End(), past the assert, should not lead to crashes or to the fallback Debug window appearing on screen. Missing calls to End(), past the assert, should not lead to crashes or to the fallback Debug window appearing on screen.
Those changes makes it easier to integrate dear imgui with a scripting language allowing, given asserts are redirected Those changes makes it easier to integrate dear imgui with a scripting language allowing, given asserts are redirected
into e.g. an error log and stopping the script execution. into e.g. an error log and stopping the script execution.
- ImDrawList: Optimized some of the functions for performance of debug builds where non-inline function call cost are non-negligible.
(Our test UI scene on VS2015 Debug Win64 with /RTC1 went ~5.9 ms -> ~4.9 ms. In Release same scene stays at ~0.3 ms.)
- IO: Added BackendPlatformUserData, BackendRendererUserData, BackendLanguageUserData void* for storage use by back-ends. - IO: Added BackendPlatformUserData, BackendRendererUserData, BackendLanguageUserData void* for storage use by back-ends.
- IO: Renamed InputCharacters[], marked internal as was always intended. Please don't access directly, and use AddInputCharacter() instead! - IO: Renamed InputCharacters[], marked internal as was always intended. Please don't access directly, and use AddInputCharacter() instead!
- IO: AddInputCharacter() goes into a queue which can receive as many characters as needed during the frame. This is useful - IO: AddInputCharacter() goes into a queue which can receive as many characters as needed during the frame. This is useful

2
docs/README.md
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@ -147,7 +147,7 @@ Frameworks:
- OpenSceneGraph/OSG: [gist](https://gist.github.com/fulezi/d2442ca7626bf270226014501357042c) - OpenSceneGraph/OSG: [gist](https://gist.github.com/fulezi/d2442ca7626bf270226014501357042c)
- ORX: [pr #1843](https://github.com/ocornut/imgui/pull/1843) - ORX: [pr #1843](https://github.com/ocornut/imgui/pull/1843)
- LÖVE+Lua: [love-imgui](https://github.com/slages/love-imgui) - LÖVE+Lua: [love-imgui](https://github.com/slages/love-imgui)
- Magnum: [magnum-imgui](https://github.com/lecopivo/magnum-imgui), [MagnumImguiPort](https://github.com/lecopivo/MagnumImguiPort) - Magnum: [ImGuiIntegration](https://doc.magnum.graphics/magnum/namespaceMagnum_1_1ImGuiIntegration.html) ([example](https://doc.magnum.graphics/magnum/examples-imgui.html))
- NanoRT: [syoyo/imgui](https://github.com/syoyo/imgui/tree/nanort) - NanoRT: [syoyo/imgui](https://github.com/syoyo/imgui/tree/nanort)
- Qt3d: [imgui-qt3d](https://github.com/alpqr/imgui-qt3d), QOpenGLWindow [qtimgui](https://github.com/ocornut/imgui/issues/1910) - Qt3d: [imgui-qt3d](https://github.com/alpqr/imgui-qt3d), QOpenGLWindow [qtimgui](https://github.com/ocornut/imgui/issues/1910)
- SFML: [imgui-sfml](https://github.com/EliasD/imgui-sfml) - SFML: [imgui-sfml](https://github.com/EliasD/imgui-sfml)

1
docs/TODO.txt
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@ -358,6 +358,7 @@ It's mostly a bunch of personal notes, probably incomplete. Feel free to query i
- optimization: replace vsnprintf with stb_printf? or enable the defines/infrastructure to allow it (#1038) - optimization: replace vsnprintf with stb_printf? or enable the defines/infrastructure to allow it (#1038)
- optimization: add clipping for multi-component widgets (SliderFloatX, ColorEditX, etc.). one problem is that nav branch can't easily clip parent group when there is a move request. - optimization: add clipping for multi-component widgets (SliderFloatX, ColorEditX, etc.). one problem is that nav branch can't easily clip parent group when there is a move request.
- optimization: add a flag to disable most of rendering, for the case where the user expect to skip it (#335) - optimization: add a flag to disable most of rendering, for the case where the user expect to skip it (#335)
- optimization: fully covered window (covered by another with non-translucent bg + WindowRounding worth of padding) may want to clip rendering.
- optimization: use another hash function than crc32, e.g. FNV1a - optimization: use another hash function than crc32, e.g. FNV1a
- optimization/render: merge command-lists with same clip-rect into one even if they aren't sequential? (as long as in-between clip rectangle don't overlap)? - optimization/render: merge command-lists with same clip-rect into one even if they aren't sequential? (as long as in-between clip rectangle don't overlap)?
- optimization: turn some the various stack vectors into statically-sized arrays - optimization: turn some the various stack vectors into statically-sized arrays

96
imgui.cpp
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@ -1298,9 +1298,23 @@ void ImStrncpy(char* dst, const char* src, size_t count)
char* ImStrdup(const char* str) char* ImStrdup(const char* str)
{ {
size_t len = strlen(str) + 1; size_t len = strlen(str);
void* buf = ImGui::MemAlloc(len); void* buf = ImGui::MemAlloc(len + 1);
return (char*)memcpy(buf, (const void*)str, len); return (char*)memcpy(buf, (const void*)str, len + 1);
}
char* ImStrdupcpy(char* dst, size_t* p_dst_size, const char* src)
{
size_t dst_buf_size = p_dst_size ? *p_dst_size : strlen(dst) + 1;
size_t src_size = strlen(src) + 1;
if (dst_buf_size < src_size)
{
ImGui::MemFree(dst);
dst = (char*)ImGui::MemAlloc(src_size);
if (p_dst_size)
*p_dst_size = src_size;
}
return (char*)memcpy(dst, (const void*)src, src_size);
} }
const char* ImStrchrRange(const char* str, const char* str_end, char c) const char* ImStrchrRange(const char* str, const char* str_end, char c)
@ -1381,6 +1395,12 @@ const char* ImStrSkipBlank(const char* str)
// B) When buf==NULL vsnprintf() will return the output size. // B) When buf==NULL vsnprintf() will return the output size.
#ifndef IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS #ifndef IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS
//#define IMGUI_USE_STB_SPRINTF
#ifdef IMGUI_USE_STB_SPRINTF
#define STB_SPRINTF_IMPLEMENTATION
#include "imstb_sprintf.h"
#endif
#if defined(_MSC_VER) && !defined(vsnprintf) #if defined(_MSC_VER) && !defined(vsnprintf)
#define vsnprintf _vsnprintf #define vsnprintf _vsnprintf
#endif #endif
@ -1389,7 +1409,11 @@ int ImFormatString(char* buf, size_t buf_size, const char* fmt, ...)
{ {
va_list args; va_list args;
va_start(args, fmt); va_start(args, fmt);
#ifdef IMGUI_USE_STB_SPRINTF
int w = stbsp_vsnprintf(buf, (int)buf_size, fmt, args);
#else
int w = vsnprintf(buf, buf_size, fmt, args); int w = vsnprintf(buf, buf_size, fmt, args);
#endif
va_end(args); va_end(args);
if (buf == NULL) if (buf == NULL)
return w; return w;
@ -1401,7 +1425,11 @@ int ImFormatString(char* buf, size_t buf_size, const char* fmt, ...)
int ImFormatStringV(char* buf, size_t buf_size, const char* fmt, va_list args) int ImFormatStringV(char* buf, size_t buf_size, const char* fmt, va_list args)
{ {
#ifdef IMGUI_USE_STB_SPRINTF
int w = stbsp_vsnprintf(buf, (int)buf_size, fmt, args);
#else
int w = vsnprintf(buf, buf_size, fmt, args); int w = vsnprintf(buf, buf_size, fmt, args);
#endif
if (buf == NULL) if (buf == NULL)
return w; return w;
if (w == -1 || w >= (int)buf_size) if (w == -1 || w >= (int)buf_size)
@ -1411,7 +1439,9 @@ int ImFormatStringV(char* buf, size_t buf_size, const char* fmt, va_list args)
} }
#endif // #ifdef IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS #endif // #ifdef IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS
// Pass data_size==0 for zero-terminated strings // Pass data_size == 0 for zero-terminated strings, data_size > 0 for non-string data.
// Pay attention that data_size==0 will yield different results than passing strlen(data) because the zero-terminated codepath handles ###.
// This should technically be split into two distinct functions (ImHashData/ImHashStr), perhaps once we remove the silly static variable.
// FIXME-OPT: Replace with e.g. FNV1a hash? CRC32 pretty much randomly access 1KB. Need to do proper measurements. // FIXME-OPT: Replace with e.g. FNV1a hash? CRC32 pretty much randomly access 1KB. Need to do proper measurements.
ImU32 ImHash(const void* data, int data_size, ImU32 seed) ImU32 ImHash(const void* data, int data_size, ImU32 seed)
{ {
@ -1810,15 +1840,15 @@ ImU32 ImGui::GetColorU32(ImU32 col)
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// std::lower_bound but without the bullshit // std::lower_bound but without the bullshit
static ImVector<ImGuiStorage::Pair>::iterator LowerBound(ImVector<ImGuiStorage::Pair>& data, ImGuiID key) static ImGuiStorage::Pair* LowerBound(ImVector<ImGuiStorage::Pair>& data, ImGuiID key)
{ {
ImVector<ImGuiStorage::Pair>::iterator first = data.begin(); ImGuiStorage::Pair* first = data.Data;
ImVector<ImGuiStorage::Pair>::iterator last = data.end(); ImGuiStorage::Pair* last = data.Data + data.Size;
size_t count = (size_t)(last - first); size_t count = (size_t)(last - first);
while (count > 0) while (count > 0)
{ {
size_t count2 = count >> 1; size_t count2 = count >> 1;
ImVector<ImGuiStorage::Pair>::iterator mid = first + count2; ImGuiStorage::Pair* mid = first + count2;
if (mid->key < key) if (mid->key < key)
{ {
first = ++mid; first = ++mid;
@ -1851,7 +1881,7 @@ void ImGuiStorage::BuildSortByKey()
int ImGuiStorage::GetInt(ImGuiID key, int default_val) const int ImGuiStorage::GetInt(ImGuiID key, int default_val) const
{ {
ImVector<Pair>::iterator it = LowerBound(const_cast<ImVector<ImGuiStorage::Pair>&>(Data), key); ImGuiStorage::Pair* it = LowerBound(const_cast<ImVector<ImGuiStorage::Pair>&>(Data), key);
if (it == Data.end() || it->key != key) if (it == Data.end() || it->key != key)
return default_val; return default_val;
return it->val_i; return it->val_i;
@ -1864,7 +1894,7 @@ bool ImGuiStorage::GetBool(ImGuiID key, bool default_val) const
float ImGuiStorage::GetFloat(ImGuiID key, float default_val) const float ImGuiStorage::GetFloat(ImGuiID key, float default_val) const
{ {
ImVector<Pair>::iterator it = LowerBound(const_cast<ImVector<ImGuiStorage::Pair>&>(Data), key); ImGuiStorage::Pair* it = LowerBound(const_cast<ImVector<ImGuiStorage::Pair>&>(Data), key);
if (it == Data.end() || it->key != key) if (it == Data.end() || it->key != key)
return default_val; return default_val;
return it->val_f; return it->val_f;
@ -1872,7 +1902,7 @@ float ImGuiStorage::GetFloat(ImGuiID key, float default_val) const
void* ImGuiStorage::GetVoidPtr(ImGuiID key) const void* ImGuiStorage::GetVoidPtr(ImGuiID key) const
{ {
ImVector<Pair>::iterator it = LowerBound(const_cast<ImVector<ImGuiStorage::Pair>&>(Data), key); ImGuiStorage::Pair* it = LowerBound(const_cast<ImVector<ImGuiStorage::Pair>&>(Data), key);
if (it == Data.end() || it->key != key) if (it == Data.end() || it->key != key)
return NULL; return NULL;
return it->val_p; return it->val_p;
@ -1881,7 +1911,7 @@ void* ImGuiStorage::GetVoidPtr(ImGuiID key) const
// References are only valid until a new value is added to the storage. Calling a Set***() function or a Get***Ref() function invalidates the pointer. // References are only valid until a new value is added to the storage. Calling a Set***() function or a Get***Ref() function invalidates the pointer.
int* ImGuiStorage::GetIntRef(ImGuiID key, int default_val) int* ImGuiStorage::GetIntRef(ImGuiID key, int default_val)
{ {
ImVector<Pair>::iterator it = LowerBound(Data, key); ImGuiStorage::Pair* it = LowerBound(Data, key);
if (it == Data.end() || it->key != key) if (it == Data.end() || it->key != key)
it = Data.insert(it, Pair(key, default_val)); it = Data.insert(it, Pair(key, default_val));
return &it->val_i; return &it->val_i;
@ -1894,7 +1924,7 @@ bool* ImGuiStorage::GetBoolRef(ImGuiID key, bool default_val)
float* ImGuiStorage::GetFloatRef(ImGuiID key, float default_val) float* ImGuiStorage::GetFloatRef(ImGuiID key, float default_val)
{ {
ImVector<Pair>::iterator it = LowerBound(Data, key); ImGuiStorage::Pair* it = LowerBound(Data, key);
if (it == Data.end() || it->key != key) if (it == Data.end() || it->key != key)
it = Data.insert(it, Pair(key, default_val)); it = Data.insert(it, Pair(key, default_val));
return &it->val_f; return &it->val_f;
@ -1902,7 +1932,7 @@ float* ImGuiStorage::GetFloatRef(ImGuiID key, float default_val)
void** ImGuiStorage::GetVoidPtrRef(ImGuiID key, void* default_val) void** ImGuiStorage::GetVoidPtrRef(ImGuiID key, void* default_val)
{ {
ImVector<Pair>::iterator it = LowerBound(Data, key); ImGuiStorage::Pair* it = LowerBound(Data, key);
if (it == Data.end() || it->key != key) if (it == Data.end() || it->key != key)
it = Data.insert(it, Pair(key, default_val)); it = Data.insert(it, Pair(key, default_val));
return &it->val_p; return &it->val_p;
@ -1911,7 +1941,7 @@ void** ImGuiStorage::GetVoidPtrRef(ImGuiID key, void* default_val)
// FIXME-OPT: Need a way to reuse the result of lower_bound when doing GetInt()/SetInt() - not too bad because it only happens on explicit interaction (maximum one a frame) // FIXME-OPT: Need a way to reuse the result of lower_bound when doing GetInt()/SetInt() - not too bad because it only happens on explicit interaction (maximum one a frame)
void ImGuiStorage::SetInt(ImGuiID key, int val) void ImGuiStorage::SetInt(ImGuiID key, int val)
{ {
ImVector<Pair>::iterator it = LowerBound(Data, key); ImGuiStorage::Pair* it = LowerBound(Data, key);
if (it == Data.end() || it->key != key) if (it == Data.end() || it->key != key)
{ {
Data.insert(it, Pair(key, val)); Data.insert(it, Pair(key, val));
@ -1927,7 +1957,7 @@ void ImGuiStorage::SetBool(ImGuiID key, bool val)
void ImGuiStorage::SetFloat(ImGuiID key, float val) void ImGuiStorage::SetFloat(ImGuiID key, float val)
{ {
ImVector<Pair>::iterator it = LowerBound(Data, key); ImGuiStorage::Pair* it = LowerBound(Data, key);
if (it == Data.end() || it->key != key) if (it == Data.end() || it->key != key)
{ {
Data.insert(it, Pair(key, val)); Data.insert(it, Pair(key, val));
@ -1938,7 +1968,7 @@ void ImGuiStorage::SetFloat(ImGuiID key, float val)
void ImGuiStorage::SetVoidPtr(ImGuiID key, void* val) void ImGuiStorage::SetVoidPtr(ImGuiID key, void* val)
{ {
ImVector<Pair>::iterator it = LowerBound(Data, key); ImGuiStorage::Pair* it = LowerBound(Data, key);
if (it == Data.end() || it->key != key) if (it == Data.end() || it->key != key)
{ {
Data.insert(it, Pair(key, val)); Data.insert(it, Pair(key, val));
@ -2439,6 +2469,7 @@ ImGuiWindow::ImGuiWindow(ImGuiContext* context, const char* name)
WindowPadding = ImVec2(0.0f, 0.0f); WindowPadding = ImVec2(0.0f, 0.0f);
WindowRounding = 0.0f; WindowRounding = 0.0f;
WindowBorderSize = 0.0f; WindowBorderSize = 0.0f;
NameBufLen = (int)strlen(name) + 1;
MoveId = GetID("#MOVE"); MoveId = GetID("#MOVE");
ChildId = 0; ChildId = 0;
Scroll = ImVec2(0.0f, 0.0f); Scroll = ImVec2(0.0f, 0.0f);
@ -2695,7 +2726,8 @@ void ImGui::ItemSize(const ImVec2& size, float text_offset_y)
const float text_base_offset = ImMax(window->DC.CurrentLineTextBaseOffset, text_offset_y); const float text_base_offset = ImMax(window->DC.CurrentLineTextBaseOffset, text_offset_y);
//if (g.IO.KeyAlt) window->DrawList->AddRect(window->DC.CursorPos, window->DC.CursorPos + ImVec2(size.x, line_height), IM_COL32(255,0,0,200)); // [DEBUG] //if (g.IO.KeyAlt) window->DrawList->AddRect(window->DC.CursorPos, window->DC.CursorPos + ImVec2(size.x, line_height), IM_COL32(255,0,0,200)); // [DEBUG]
window->DC.CursorPosPrevLine = ImVec2(window->DC.CursorPos.x + size.x, window->DC.CursorPos.y); window->DC.CursorPosPrevLine = ImVec2(window->DC.CursorPos.x + size.x, window->DC.CursorPos.y);
window->DC.CursorPos = ImVec2((float)(int)(window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x), (float)(int)(window->DC.CursorPos.y + line_height + g.Style.ItemSpacing.y)); window->DC.CursorPos.x = (float)(int)(window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x);
window->DC.CursorPos.y = (float)(int)(window->DC.CursorPos.y + line_height + g.Style.ItemSpacing.y);
window->DC.CursorMaxPos.x = ImMax(window->DC.CursorMaxPos.x, window->DC.CursorPosPrevLine.x); window->DC.CursorMaxPos.x = ImMax(window->DC.CursorMaxPos.x, window->DC.CursorPosPrevLine.x);
window->DC.CursorMaxPos.y = ImMax(window->DC.CursorMaxPos.y, window->DC.CursorPos.y - g.Style.ItemSpacing.y); window->DC.CursorMaxPos.y = ImMax(window->DC.CursorMaxPos.y, window->DC.CursorPos.y - g.Style.ItemSpacing.y);
//if (g.IO.KeyAlt) window->DrawList->AddCircle(window->DC.CursorMaxPos, 3.0f, IM_COL32(255,0,0,255), 4); // [DEBUG] //if (g.IO.KeyAlt) window->DrawList->AddCircle(window->DC.CursorMaxPos, 3.0f, IM_COL32(255,0,0,255), 4); // [DEBUG]
@ -2741,7 +2773,8 @@ bool ImGui::ItemAdd(const ImRect& bb, ImGuiID id, const ImRect* nav_bb_arg)
window->DC.LastItemStatusFlags = ImGuiItemStatusFlags_None; window->DC.LastItemStatusFlags = ImGuiItemStatusFlags_None;
#ifdef IMGUI_ENABLE_TEST_ENGINE #ifdef IMGUI_ENABLE_TEST_ENGINE
ImGuiTestEngineHook_ItemAdd(bb, id); if (id != 0)
ImGuiTestEngineHook_ItemAdd(&g, bb, id);
#endif #endif
// Clipping test // Clipping test
@ -3357,7 +3390,7 @@ void ImGui::NewFrame()
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
#ifdef IMGUI_ENABLE_TEST_ENGINE #ifdef IMGUI_ENABLE_TEST_ENGINE
ImGuiTestEngineHook_PreNewFrame(); ImGuiTestEngineHook_PreNewFrame(&g);
#endif #endif
// Check user data // Check user data
@ -3587,7 +3620,7 @@ void ImGui::NewFrame()
g.FrameScopePushedImplicitWindow = true; g.FrameScopePushedImplicitWindow = true;
#ifdef IMGUI_ENABLE_TEST_ENGINE #ifdef IMGUI_ENABLE_TEST_ENGINE
ImGuiTestEngineHook_PostNewFrame(); ImGuiTestEngineHook_PostNewFrame(&g);
#endif #endif
} }
@ -4650,7 +4683,7 @@ static ImGuiWindow* CreateNewWindow(const char* name, ImVec2 size, ImGuiWindowFl
if (ImGuiWindowSettings* settings = ImGui::FindWindowSettings(window->ID)) if (ImGuiWindowSettings* settings = ImGui::FindWindowSettings(window->ID))
{ {
// Retrieve settings from .ini file // Retrieve settings from .ini file
window->SettingsIdx = g.SettingsWindows.index_from_pointer(settings); window->SettingsIdx = g.SettingsWindows.index_from_ptr(settings);
SetWindowConditionAllowFlags(window, ImGuiCond_FirstUseEver, false); SetWindowConditionAllowFlags(window, ImGuiCond_FirstUseEver, false);
if (settings->ViewportId) if (settings->ViewportId)
{ {
@ -5166,13 +5199,18 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
window->ClipRect = ImVec4(-FLT_MAX,-FLT_MAX,+FLT_MAX,+FLT_MAX); window->ClipRect = ImVec4(-FLT_MAX,-FLT_MAX,+FLT_MAX,+FLT_MAX);
window->IDStack.resize(1); window->IDStack.resize(1);
// Update stored window name when it changes (which can only happen with the "###" operator). // Update stored window name when it changes (which can _only_ happen with the "###" operator, so the ID would stay unchanged).
// The title bar always display the 'name' parameter, so we only update storage if the title is displayed to the end-user in a different place. // The title bar always display the 'name' parameter, so we only update the string storage if it needs to be visible to the end-user elsewhere.
bool window_title_visible_elsewhere = (window->Viewport && window->Viewport->Window == window) || (window->DockIsActive); bool window_title_visible_elsewhere = false;
if (!window_just_created && window_title_visible_elsewhere && strcmp(name, window->Name) != 0) if ((window->Viewport && window->Viewport->Window == window) || (window->DockIsActive))
window_title_visible_elsewhere = true;
else if (g.NavWindowingList != NULL && (window->Flags & ImGuiWindowFlags_NoNavFocus) == 0) // Window titles visible when using CTRL+TAB
window_title_visible_elsewhere = true;
if (window_title_visible_elsewhere && !window_just_created && strcmp(name, window->Name) != 0)
{ {
IM_DELETE(window->Name); size_t buf_len = (size_t)window->NameBufLen;
window->Name = ImStrdup(name); window->Name = ImStrdupcpy(window->Name, &buf_len, name);
window->NameBufLen = (int)buf_len;
} }
// UPDATE CONTENTS SIZE, UPDATE HIDDEN STATUS // UPDATE CONTENTS SIZE, UPDATE HIDDEN STATUS
@ -13254,7 +13292,7 @@ static void SettingsHandlerWindow_WriteAll(ImGuiContext* imgui_ctx, ImGuiSetting
if (!settings) if (!settings)
{ {
settings = ImGui::CreateNewWindowSettings(window->Name); settings = ImGui::CreateNewWindowSettings(window->Name);
window->SettingsIdx = g.SettingsWindows.index_from_pointer(settings); window->SettingsIdx = g.SettingsWindows.index_from_ptr(settings);
} }
IM_ASSERT(settings->ID == window->ID); IM_ASSERT(settings->ID == window->ID);
settings->Pos = window->Pos - window->ViewportPos; settings->Pos = window->Pos - window->ViewportPos;

90
imgui.h
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@ -13,14 +13,14 @@ Index of this file:
// Forward declarations and basic types // Forward declarations and basic types
// ImGui API (Dear ImGui end-user API) // ImGui API (Dear ImGui end-user API)
// Flags & Enumerations // Flags & Enumerations
// ImVector // ImVector<>
// ImGuiStyle // ImGuiStyle
// ImGuiIO // ImGuiIO
// Misc data structures (ImGuiInputTextCallbackData, ImGuiSizeCallbackData, ImGuiPayload, ImGuiWindowClass) // Misc data structures (ImGuiInputTextCallbackData, ImGuiSizeCallbackData, ImGuiPayload, ImGuiWindowClass)
// Obsolete functions // Obsolete functions
// Helpers (ImGuiOnceUponAFrame, ImGuiTextFilter, ImGuiTextBuffer, ImGuiStorage, ImGuiListClipper, ImColor) // Helpers (ImGuiOnceUponAFrame, ImGuiTextFilter, ImGuiTextBuffer, ImGuiStorage, ImGuiListClipper, ImColor)
// Draw List API (ImDrawCmd, ImDrawIdx, ImDrawVert, ImDrawChannel, ImDrawListFlags, ImDrawList, ImDrawData) // Draw List API (ImDrawCmd, ImDrawIdx, ImDrawVert, ImDrawChannel, ImDrawListFlags, ImDrawList, ImDrawData)
// Font API (ImFontConfig, ImFontGlyph, ImFontAtlasFlags, ImFontAtlas, ImFont) // Font API (ImFontConfig, ImFontGlyph, ImFontGlyphRangesBuilder, ImFontAtlasFlags, ImFontAtlas, ImFont)
// Platform interface for multi-viewport support (ImGuiPlatformMonitor, ImGuiPlatformIO, ImGuiViewport) // Platform interface for multi-viewport support (ImGuiPlatformMonitor, ImGuiPlatformIO, ImGuiViewport)
*/ */
@ -1225,73 +1225,63 @@ enum ImGuiCond_
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// Helper: ImVector<> // Helper: ImVector<>
// Lightweight std::vector<>-like class to avoid dragging dependencies (also: some implementations of STL with debug enabled are absurdly slow, we bypass it so our code runs fast in debug). // Lightweight std::vector<>-like class to avoid dragging dependencies (also, some implementations of STL with debug enabled are absurdly slow, we bypass it so our code runs fast in debug).
// You generally do NOT need to care or use this ever. But we need to make it available in imgui.h because some of our data structures are relying on it. // You generally do NOT need to care or use this ever. But we need to make it available in imgui.h because some of our data structures are relying on it.
// Important: clear() frees memory, resize(0) keep the allocated buffer. We use resize(0) a lot to intentionally recycle allocated buffers across frames and amortize our costs.
// Important: our implementation does NOT call C++ constructors/destructors, we treat everything as raw data! This is intentional but be extra mindful of that, // Important: our implementation does NOT call C++ constructors/destructors, we treat everything as raw data! This is intentional but be extra mindful of that,
// do NOT use this class as a std::vector replacement in your own code! // do NOT use this class as a std::vector replacement in your own code! Many of the structures used by dear imgui can be safely initialized by a zero-memset.
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
template<typename T> template<typename T>
class ImVector struct ImVector
{ {
public:
int Size; int Size;
int Capacity; int Capacity;
T* Data; T* Data;
// Provide standard typedefs but we don't use them ourselves.
typedef T value_type; typedef T value_type;
typedef value_type* iterator; typedef value_type* iterator;
typedef const value_type* const_iterator; typedef const value_type* const_iterator;
// Constructors, destructor
inline ImVector() { Size = Capacity = 0; Data = NULL; } inline ImVector() { Size = Capacity = 0; Data = NULL; }
inline ~ImVector() { if (Data) ImGui::MemFree(Data); }
inline ImVector(const ImVector<T>& src) { Size = Capacity = 0; Data = NULL; operator=(src); } inline ImVector(const ImVector<T>& src) { Size = Capacity = 0; Data = NULL; operator=(src); }
inline ImVector<T>& operator=(const ImVector<T>& src) { clear(); resize(src.Size); memcpy(Data, src.Data, (size_t)Size * sizeof(value_type)); return *this; } inline ImVector<T>& operator=(const ImVector<T>& src) { clear(); resize(src.Size); memcpy(Data, src.Data, (size_t)Size * sizeof(T)); return *this; }
inline ~ImVector() { if (Data) ImGui::MemFree(Data); }
inline bool empty() const { return Size == 0; } inline bool empty() const { return Size == 0; }
inline int size() const { return Size; } inline int size() const { return Size; }
inline int capacity() const { return Capacity; } inline int capacity() const { return Capacity; }
inline value_type& operator[](int i) { IM_ASSERT(i < Size); return Data[i]; } inline T& operator[](int i) { IM_ASSERT(i < Size); return Data[i]; }
inline const value_type& operator[](int i) const { IM_ASSERT(i < Size); return Data[i]; } inline const T& operator[](int i) const { IM_ASSERT(i < Size); return Data[i]; }
inline void clear() { if (Data) { Size = Capacity = 0; ImGui::MemFree(Data); Data = NULL; } } inline void clear() { if (Data) { Size = Capacity = 0; ImGui::MemFree(Data); Data = NULL; } }
inline iterator begin() { return Data; } inline T* begin() { return Data; }
inline const_iterator begin() const { return Data; } inline const T* begin() const { return Data; }
inline iterator end() { return Data + Size; } inline T* end() { return Data + Size; }
inline const_iterator end() const { return Data + Size; } inline const T* end() const { return Data + Size; }
inline value_type& front() { IM_ASSERT(Size > 0); return Data[0]; } inline T& front() { IM_ASSERT(Size > 0); return Data[0]; }
inline const value_type& front() const { IM_ASSERT(Size > 0); return Data[0]; } inline const T& front() const { IM_ASSERT(Size > 0); return Data[0]; }
inline value_type& back() { IM_ASSERT(Size > 0); return Data[Size - 1]; } inline T& back() { IM_ASSERT(Size > 0); return Data[Size - 1]; }
inline const value_type& back() const { IM_ASSERT(Size > 0); return Data[Size - 1]; } inline const T& back() const { IM_ASSERT(Size > 0); return Data[Size - 1]; }
inline void swap(ImVector<value_type>& rhs) { int rhs_size = rhs.Size; rhs.Size = Size; Size = rhs_size; int rhs_cap = rhs.Capacity; rhs.Capacity = Capacity; Capacity = rhs_cap; value_type* rhs_data = rhs.Data; rhs.Data = Data; Data = rhs_data; } inline void swap(ImVector<T>& rhs) { int rhs_size = rhs.Size; rhs.Size = Size; Size = rhs_size; int rhs_cap = rhs.Capacity; rhs.Capacity = Capacity; Capacity = rhs_cap; T* rhs_data = rhs.Data; rhs.Data = Data; Data = rhs_data; }
inline int _grow_capacity(int sz) const { int new_capacity = Capacity ? (Capacity + Capacity/2) : 8; return new_capacity > sz ? new_capacity : sz; } inline int _grow_capacity(int sz) const { int new_capacity = Capacity ? (Capacity + Capacity/2) : 8; return new_capacity > sz ? new_capacity : sz; }
inline void resize(int new_size) { if (new_size > Capacity) reserve(_grow_capacity(new_size)); Size = new_size; } inline void resize(int new_size) { if (new_size > Capacity) reserve(_grow_capacity(new_size)); Size = new_size; }
inline void resize(int new_size,const value_type& v){ if (new_size > Capacity) reserve(_grow_capacity(new_size)); if (new_size > Size) for (int n = Size; n < new_size; n++) memcpy(&Data[n], &v, sizeof(v)); Size = new_size; } inline void resize(int new_size, const T& v) { if (new_size > Capacity) reserve(_grow_capacity(new_size)); if (new_size > Size) for (int n = Size; n < new_size; n++) memcpy(&Data[n], &v, sizeof(v)); Size = new_size; }
inline void reserve(int new_capacity) inline void reserve(int new_capacity) { if (new_capacity <= Capacity) return; T* new_data = (T*)ImGui::MemAlloc((size_t)new_capacity * sizeof(T)); if (Data) { memcpy(new_data, Data, (size_t)Size * sizeof(T)); ImGui::MemFree(Data); } Data = new_data; Capacity = new_capacity; }
{
if (new_capacity <= Capacity)
return;
value_type* new_data = (value_type*)ImGui::MemAlloc((size_t)new_capacity * sizeof(value_type));
if (Data)
{
memcpy(new_data, Data, (size_t)Size * sizeof(value_type));
ImGui::MemFree(Data);
}
Data = new_data;
Capacity = new_capacity;
}
// NB: It is illegal to call push_back/push_front/insert with a reference pointing inside the ImVector data itself! e.g. v.push_back(v[10]) is forbidden. // NB: It is illegal to call push_back/push_front/insert with a reference pointing inside the ImVector data itself! e.g. v.push_back(v[10]) is forbidden.
inline void push_back(const value_type& v) { if (Size == Capacity) reserve(_grow_capacity(Size + 1)); memcpy(&Data[Size], &v, sizeof(v)); Size++; } inline void push_back(const T& v) { if (Size == Capacity) reserve(_grow_capacity(Size + 1)); memcpy(&Data[Size], &v, sizeof(v)); Size++; }
inline void pop_back() { IM_ASSERT(Size > 0); Size--; } inline void pop_back() { IM_ASSERT(Size > 0); Size--; }
inline void push_front(const value_type& v) { if (Size == 0) push_back(v); else insert(Data, v); } inline void push_front(const T& v) { if (Size == 0) push_back(v); else insert(Data, v); }
inline iterator erase(const_iterator it) { IM_ASSERT(it >= Data && it < Data+Size); const ptrdiff_t off = it - Data; memmove(Data + off, Data + off + 1, ((size_t)Size - (size_t)off - 1) * sizeof(value_type)); Size--; return Data + off; } inline T* erase(const T* it) { IM_ASSERT(it >= Data && it < Data+Size); const ptrdiff_t off = it - Data; memmove(Data + off, Data + off + 1, ((size_t)Size - (size_t)off - 1) * sizeof(T)); Size--; return Data + off; }
inline iterator erase(const_iterator it, const_iterator it_last){ IM_ASSERT(it >= Data && it < Data+Size && it_last > it && it_last <= Data+Size); const ptrdiff_t count = it_last - it; const ptrdiff_t off = it - Data; memmove(Data + off, Data + off + count, ((size_t)Size - (size_t)off - count) * sizeof(value_type)); Size -= (int)count; return Data + off; } inline T* erase(const T* it, const T* it_last){ IM_ASSERT(it >= Data && it < Data+Size && it_last > it && it_last <= Data+Size); const ptrdiff_t count = it_last - it; const ptrdiff_t off = it - Data; memmove(Data + off, Data + off + count, ((size_t)Size - (size_t)off - count) * sizeof(T)); Size -= (int)count; return Data + off; }
inline iterator erase_unsorted(const_iterator it) { IM_ASSERT(it >= Data && it < Data+Size); const ptrdiff_t off = it - Data; if (it < Data+Size-1) memcpy(Data + off, Data + Size - 1, sizeof(value_type)); Size--; return Data + off; } inline T* erase_unsorted(const T* it) { IM_ASSERT(it >= Data && it < Data+Size); const ptrdiff_t off = it - Data; if (it < Data+Size-1) memcpy(Data + off, Data + Size - 1, sizeof(T)); Size--; return Data + off; }
inline iterator insert(const_iterator it, const value_type& v) { IM_ASSERT(it >= Data && it <= Data+Size); const ptrdiff_t off = it - Data; if (Size == Capacity) reserve(_grow_capacity(Size + 1)); if (off < (int)Size) memmove(Data + off + 1, Data + off, ((size_t)Size - (size_t)off) * sizeof(value_type)); memcpy(&Data[off], &v, sizeof(v)); Size++; return Data + off; } inline T* insert(const T* it, const T& v) { IM_ASSERT(it >= Data && it <= Data+Size); const ptrdiff_t off = it - Data; if (Size == Capacity) reserve(_grow_capacity(Size + 1)); if (off < (int)Size) memmove(Data + off + 1, Data + off, ((size_t)Size - (size_t)off) * sizeof(T)); memcpy(&Data[off], &v, sizeof(v)); Size++; return Data + off; }
inline bool contains(const value_type& v) const { const T* data = Data; const T* data_end = Data + Size; while (data < data_end) if (*data++ == v) return true; return false; } inline bool contains(const T& v) const { const T* data = Data; const T* data_end = Data + Size; while (data < data_end) if (*data++ == v) return true; return false; }
inline int index_from_pointer(const_iterator it) const { IM_ASSERT(it >= Data && it <= Data+Size); const ptrdiff_t off = it - Data; return (int)off; } inline int index_from_ptr(const T* it) const { IM_ASSERT(it >= Data && it <= Data+Size); const ptrdiff_t off = it - Data; return (int)off; }
}; };
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
@ -1936,11 +1926,11 @@ struct ImDrawList
IMGUI_API void AddBezierCurve(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments = 0); IMGUI_API void AddBezierCurve(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments = 0);
// Stateful path API, add points then finish with PathFillConvex() or PathStroke() // Stateful path API, add points then finish with PathFillConvex() or PathStroke()
inline void PathClear() { _Path.resize(0); } inline void PathClear() { _Path.Size = 0; }
inline void PathLineTo(const ImVec2& pos) { _Path.push_back(pos); } inline void PathLineTo(const ImVec2& pos) { _Path.push_back(pos); }
inline void PathLineToMergeDuplicate(const ImVec2& pos) { if (_Path.Size == 0 || memcmp(&_Path[_Path.Size-1], &pos, 8) != 0) _Path.push_back(pos); } inline void PathLineToMergeDuplicate(const ImVec2& pos) { if (_Path.Size == 0 || memcmp(&_Path.Data[_Path.Size-1], &pos, 8) != 0) _Path.push_back(pos); }
inline void PathFillConvex(ImU32 col) { AddConvexPolyFilled(_Path.Data, _Path.Size, col); PathClear(); } // Note: Anti-aliased filling requires points to be in clockwise order. inline void PathFillConvex(ImU32 col) { AddConvexPolyFilled(_Path.Data, _Path.Size, col); _Path.Size = 0; } // Note: Anti-aliased filling requires points to be in clockwise order.
inline void PathStroke(ImU32 col, bool closed, float thickness = 1.0f) { AddPolyline(_Path.Data, _Path.Size, col, closed, thickness); PathClear(); } inline void PathStroke(ImU32 col, bool closed, float thickness = 1.0f) { AddPolyline(_Path.Data, _Path.Size, col, closed, thickness); _Path.Size = 0; }
IMGUI_API void PathArcTo(const ImVec2& centre, float radius, float a_min, float a_max, int num_segments = 10); IMGUI_API void PathArcTo(const ImVec2& centre, float radius, float a_min, float a_max, int num_segments = 10);
IMGUI_API void PathArcToFast(const ImVec2& centre, float radius, int a_min_of_12, int a_max_of_12); // Use precomputed angles for a 12 steps circle IMGUI_API void PathArcToFast(const ImVec2& centre, float radius, int a_min_of_12, int a_max_of_12); // Use precomputed angles for a 12 steps circle
IMGUI_API void PathBezierCurveTo(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, int num_segments = 0); IMGUI_API void PathBezierCurveTo(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, int num_segments = 0);
@ -2032,12 +2022,14 @@ struct ImFontGlyph
}; };
// Helper to build glyph ranges from text/string data. Feed your application strings/characters to it then call BuildRanges(). // Helper to build glyph ranges from text/string data. Feed your application strings/characters to it then call BuildRanges().
// This is essentially a tightly packed of vector of 64k booleans = 8KB storage.
struct ImFontGlyphRangesBuilder struct ImFontGlyphRangesBuilder
{ {
ImVector<unsigned char> UsedChars; // Store 1-bit per Unicode code point (0=unused, 1=used) ImVector<int> UsedChars; // Store 1-bit per Unicode code point (0=unused, 1=used)
ImFontGlyphRangesBuilder() { UsedChars.resize(0x10000 / 8); memset(UsedChars.Data, 0, 0x10000 / 8); }
bool GetBit(int n) const { return (UsedChars[n >> 3] & (1 << (n & 7))) != 0; } ImFontGlyphRangesBuilder() { UsedChars.resize(0x10000 / 32); memset(UsedChars.Data, 0, 0x10000 / 32); }
void SetBit(int n) { UsedChars[n >> 3] |= 1 << (n & 7); } // Set bit 'c' in the array bool GetBit(int n) const { int off = (n >> 5); int mask = 1 << (n & 31); return (UsedChars[off] & mask) != 0; } // Get bit n in the array
void SetBit(int n) { int off = (n >> 5); int mask = 1 << (n & 31); UsedChars[off] |= mask; } // Set bit n in the array
void AddChar(ImWchar c) { SetBit(c); } // Add character void AddChar(ImWchar c) { SetBit(c); } // Add character
IMGUI_API void AddText(const char* text, const char* text_end = NULL); // Add string (each character of the UTF-8 string are added) IMGUI_API void AddText(const char* text, const char* text_end = NULL); // Add string (each character of the UTF-8 string are added)
IMGUI_API void AddRanges(const ImWchar* ranges); // Add ranges, e.g. builder.AddRanges(ImFontAtlas::GetGlyphRangesDefault()) to force add all of ASCII/Latin+Ext IMGUI_API void AddRanges(const ImWchar* ranges); // Add ranges, e.g. builder.AddRanges(ImFontAtlas::GetGlyphRangesDefault()) to force add all of ASCII/Latin+Ext

2
imgui_demo.cpp
View File

@ -4201,7 +4201,7 @@ void ShowExampleAppDocuments(bool* p_open)
{ {
static ExampleAppDocuments app; static ExampleAppDocuments app;
if (!ImGui::Begin("Examples: Documents", p_open, ImGuiWindowFlags_MenuBar)) if (!ImGui::Begin("Example: Documents", p_open, ImGuiWindowFlags_MenuBar))
{ {
ImGui::End(); ImGui::End();
return; return;

116
imgui_draw.cpp
View File

@ -662,7 +662,13 @@ void ImDrawList::PrimQuadUV(const ImVec2& a, const ImVec2& b, const ImVec2& c, c
_IdxWritePtr += 6; _IdxWritePtr += 6;
} }
// On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superflous function calls to optimize debug/non-inlined builds.
// Those macros expects l-values.
#define IM_NORMALIZE2F_OVER_ZERO(VX,VY) { float d2 = VX*VX + VY*VY; if (d2 > 0.0f) { float inv_len = 1.0f / ImSqrt(d2); VX *= inv_len; VY *= inv_len; } }
#define IM_NORMALIZE2F_OVER_EPSILON_CLAMP(VX,VY,EPS,INVLENMAX) { float d2 = VX*VX + VY*VY; if (d2 > EPS) { float inv_len = 1.0f / ImSqrt(d2); if (inv_len > INVLENMAX) inv_len = INVLENMAX; VX *= inv_len; VY *= inv_len; } }
// TODO: Thickness anti-aliased lines cap are missing their AA fringe. // TODO: Thickness anti-aliased lines cap are missing their AA fringe.
// We avoid using the ImVec2 math operators here to reduce cost to a minimum for debug/non-inlined builds.
void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, bool closed, float thickness) void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, bool closed, float thickness)
{ {
if (points_count < 2) if (points_count < 2)
@ -692,10 +698,11 @@ void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32
for (int i1 = 0; i1 < count; i1++) for (int i1 = 0; i1 < count; i1++)
{ {
const int i2 = (i1+1) == points_count ? 0 : i1+1; const int i2 = (i1+1) == points_count ? 0 : i1+1;
ImVec2 diff = points[i2] - points[i1]; float dx = points[i2].x - points[i1].x;
diff *= ImInvLength(diff, 1.0f); float dy = points[i2].y - points[i1].y;
temp_normals[i1].x = diff.y; IM_NORMALIZE2F_OVER_ZERO(dx, dy);
temp_normals[i1].y = -diff.x; temp_normals[i1].x = dy;
temp_normals[i1].y = -dx;
} }
if (!closed) if (!closed)
temp_normals[points_count-1] = temp_normals[points_count-2]; temp_normals[points_count-1] = temp_normals[points_count-2];
@ -718,17 +725,18 @@ void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32
unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+3; unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+3;
// Average normals // Average normals
ImVec2 dm = (temp_normals[i1] + temp_normals[i2]) * 0.5f; float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
float dmr2 = dm.x*dm.x + dm.y*dm.y; float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
if (dmr2 > 0.000001f) IM_NORMALIZE2F_OVER_EPSILON_CLAMP(dm_x, dm_y, 0.000001f, 100.0f)
{ dm_x *= AA_SIZE;
float scale = 1.0f / dmr2; dm_y *= AA_SIZE;
if (scale > 100.0f) scale = 100.0f;
dm *= scale; // Add temporary vertexes
} ImVec2* out_vtx = &temp_points[i2*2];
dm *= AA_SIZE; out_vtx[0].x = points[i2].x + dm_x;
temp_points[i2*2+0] = points[i2] + dm; out_vtx[0].y = points[i2].y + dm_y;
temp_points[i2*2+1] = points[i2] - dm; out_vtx[1].x = points[i2].x - dm_x;
out_vtx[1].y = points[i2].y - dm_y;
// Add indexes // Add indexes
_IdxWritePtr[0] = (ImDrawIdx)(idx2+0); _IdxWritePtr[1] = (ImDrawIdx)(idx1+0); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2); _IdxWritePtr[0] = (ImDrawIdx)(idx2+0); _IdxWritePtr[1] = (ImDrawIdx)(idx1+0); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
@ -772,20 +780,24 @@ void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32
unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+4; unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+4;
// Average normals // Average normals
ImVec2 dm = (temp_normals[i1] + temp_normals[i2]) * 0.5f; float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
float dmr2 = dm.x*dm.x + dm.y*dm.y; float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
if (dmr2 > 0.000001f) IM_NORMALIZE2F_OVER_EPSILON_CLAMP(dm_x, dm_y, 0.000001f, 100.0f);
{ float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE);
float scale = 1.0f / dmr2; float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE);
if (scale > 100.0f) scale = 100.0f; float dm_in_x = dm_x * half_inner_thickness;
dm *= scale; float dm_in_y = dm_y * half_inner_thickness;
}
ImVec2 dm_out = dm * (half_inner_thickness + AA_SIZE); // Add temporary vertexes
ImVec2 dm_in = dm * half_inner_thickness; ImVec2* out_vtx = &temp_points[i2*4];
temp_points[i2*4+0] = points[i2] + dm_out; out_vtx[0].x = points[i2].x + dm_out_x;
temp_points[i2*4+1] = points[i2] + dm_in; out_vtx[0].y = points[i2].y + dm_out_y;
temp_points[i2*4+2] = points[i2] - dm_in; out_vtx[1].x = points[i2].x + dm_in_x;
temp_points[i2*4+3] = points[i2] - dm_out; out_vtx[1].y = points[i2].y + dm_in_y;
out_vtx[2].x = points[i2].x - dm_in_x;
out_vtx[2].y = points[i2].y - dm_in_y;
out_vtx[3].x = points[i2].x - dm_out_x;
out_vtx[3].y = points[i2].y - dm_out_y;
// Add indexes // Add indexes
_IdxWritePtr[0] = (ImDrawIdx)(idx2+1); _IdxWritePtr[1] = (ImDrawIdx)(idx1+1); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2); _IdxWritePtr[0] = (ImDrawIdx)(idx2+1); _IdxWritePtr[1] = (ImDrawIdx)(idx1+1); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
@ -823,11 +835,13 @@ void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32
const int i2 = (i1+1) == points_count ? 0 : i1+1; const int i2 = (i1+1) == points_count ? 0 : i1+1;
const ImVec2& p1 = points[i1]; const ImVec2& p1 = points[i1];
const ImVec2& p2 = points[i2]; const ImVec2& p2 = points[i2];
ImVec2 diff = p2 - p1;
diff *= ImInvLength(diff, 1.0f);
const float dx = diff.x * (thickness * 0.5f); float dx = p2.x - p1.x;
const float dy = diff.y * (thickness * 0.5f); float dy = p2.y - p1.y;
IM_NORMALIZE2F_OVER_ZERO(dx, dy);
dx *= (thickness * 0.5f);
dy *= (thickness * 0.5f);
_VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
_VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col; _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
_VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col; _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
@ -842,6 +856,7 @@ void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32
} }
} }
// We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds.
void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col) void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col)
{ {
if (points_count < 3) if (points_count < 3)
@ -873,10 +888,11 @@ void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_coun
{ {
const ImVec2& p0 = points[i0]; const ImVec2& p0 = points[i0];
const ImVec2& p1 = points[i1]; const ImVec2& p1 = points[i1];
ImVec2 diff = p1 - p0; float dx = p1.x - p0.x;
diff *= ImInvLength(diff, 1.0f); float dy = p1.y - p0.y;
temp_normals[i0].x = diff.y; IM_NORMALIZE2F_OVER_ZERO(dx, dy);
temp_normals[i0].y = -diff.x; temp_normals[i0].x = dy;
temp_normals[i0].y = -dx;
} }
for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++) for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
@ -884,19 +900,15 @@ void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_coun
// Average normals // Average normals
const ImVec2& n0 = temp_normals[i0]; const ImVec2& n0 = temp_normals[i0];
const ImVec2& n1 = temp_normals[i1]; const ImVec2& n1 = temp_normals[i1];
ImVec2 dm = (n0 + n1) * 0.5f; float dm_x = (n0.x + n1.x) * 0.5f;
float dmr2 = dm.x*dm.x + dm.y*dm.y; float dm_y = (n0.y + n1.y) * 0.5f;
if (dmr2 > 0.000001f) IM_NORMALIZE2F_OVER_EPSILON_CLAMP(dm_x, dm_y, 0.000001f, 100.0f);
{ dm_x *= AA_SIZE * 0.5f;
float scale = 1.0f / dmr2; dm_y *= AA_SIZE * 0.5f;
if (scale > 100.0f) scale = 100.0f;
dm *= scale;
}
dm *= AA_SIZE * 0.5f;
// Add vertices // Add vertices
_VtxWritePtr[0].pos = (points[i1] - dm); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner _VtxWritePtr[0].pos.x = (points[i1].x - dm_x); _VtxWritePtr[0].pos.y = (points[i1].y - dm_y); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner
_VtxWritePtr[1].pos = (points[i1] + dm); _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; // Outer _VtxWritePtr[1].pos.x = (points[i1].x + dm_x); _VtxWritePtr[1].pos.y = (points[i1].y + dm_y); _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; // Outer
_VtxWritePtr += 2; _VtxWritePtr += 2;
// Add indexes for fringes // Add indexes for fringes
@ -2428,7 +2440,7 @@ const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const
{ {
if (c >= IndexLookup.Size) if (c >= IndexLookup.Size)
return FallbackGlyph; return FallbackGlyph;
const ImWchar i = IndexLookup[c]; const ImWchar i = IndexLookup.Data[c];
if (i == (ImWchar)-1) if (i == (ImWchar)-1)
return FallbackGlyph; return FallbackGlyph;
return &Glyphs.Data[i]; return &Glyphs.Data[i];
@ -2438,7 +2450,7 @@ const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const
{ {
if (c >= IndexLookup.Size) if (c >= IndexLookup.Size)
return NULL; return NULL;
const ImWchar i = IndexLookup[c]; const ImWchar i = IndexLookup.Data[c];
if (i == (ImWchar)-1) if (i == (ImWchar)-1)
return NULL; return NULL;
return &Glyphs.Data[i]; return &Glyphs.Data[i];
@ -2498,7 +2510,7 @@ const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const c
} }
} }
const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX[(int)c] : FallbackAdvanceX); const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX);
if (ImCharIsBlankW(c)) if (ImCharIsBlankW(c))
{ {
if (inside_word) if (inside_word)
@ -2615,7 +2627,7 @@ ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, cons
continue; continue;
} }
const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX[(int)c] : FallbackAdvanceX) * scale; const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX) * scale;
if (line_width + char_width >= max_width) if (line_width + char_width >= max_width)
{ {
s = prev_s; s = prev_s;

49
imgui_internal.h
View File

@ -6,8 +6,27 @@
// #define IMGUI_DEFINE_MATH_OPERATORS // #define IMGUI_DEFINE_MATH_OPERATORS
// To implement maths operators for ImVec2 (disabled by default to not collide with using IM_VEC2_CLASS_EXTRA along with your own math types+operators) // To implement maths operators for ImVec2 (disabled by default to not collide with using IM_VEC2_CLASS_EXTRA along with your own math types+operators)
/*
Index of this file:
// Header mess
// Forward declarations
// STB libraries includes
// Context pointer
// Generic helpers
// Misc data structures
// Main imgui context
// Tab bar, tab item
// Internal API
*/
#pragma once #pragma once
//-----------------------------------------------------------------------------
// Header mess
//-----------------------------------------------------------------------------
#ifndef IMGUI_VERSION #ifndef IMGUI_VERSION
#error Must include imgui.h before imgui_internal.h #error Must include imgui.h before imgui_internal.h
#endif #endif
@ -30,7 +49,7 @@
#endif #endif
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// Forward Declarations // Forward declarations
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
struct ImRect; // An axis-aligned rectangle (2 points) struct ImRect; // An axis-aligned rectangle (2 points)
@ -71,7 +90,7 @@ typedef int ImGuiSliderFlags; // -> enum ImGuiSliderFlags_ // Flags:
typedef int ImGuiDragFlags; // -> enum ImGuiDragFlags_ // Flags: for DragBehavior() typedef int ImGuiDragFlags; // -> enum ImGuiDragFlags_ // Flags: for DragBehavior()
//------------------------------------------------------------------------- //-------------------------------------------------------------------------
// STB libraries // STB libraries includes
//------------------------------------------------------------------------- //-------------------------------------------------------------------------
namespace ImGuiStb namespace ImGuiStb
@ -87,7 +106,7 @@ namespace ImGuiStb
} // namespace ImGuiStb } // namespace ImGuiStb
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// Context // Context pointer
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
#ifndef GImGui #ifndef GImGui
@ -98,7 +117,7 @@ extern IMGUI_API ImGuiContext* GImGui; // Current implicit ImGui context pointe
#define IMGUI_PAYLOAD_TYPE_WINDOW "_IMWINDOW" // Payload == ImGuiWindow* #define IMGUI_PAYLOAD_TYPE_WINDOW "_IMWINDOW" // Payload == ImGuiWindow*
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// Helpers // Generic helpers
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
#define IM_PI 3.14159265358979323846f #define IM_PI 3.14159265358979323846f
@ -150,6 +169,7 @@ IMGUI_API int ImStricmp(const char* str1, const char* str2);
IMGUI_API int ImStrnicmp(const char* str1, const char* str2, size_t count); IMGUI_API int ImStrnicmp(const char* str1, const char* str2, size_t count);
IMGUI_API void ImStrncpy(char* dst, const char* src, size_t count); IMGUI_API void ImStrncpy(char* dst, const char* src, size_t count);
IMGUI_API char* ImStrdup(const char* str); IMGUI_API char* ImStrdup(const char* str);
IMGUI_API char* ImStrdupcpy(char* dst, size_t* p_dst_size, const char* str);
IMGUI_API const char* ImStrchrRange(const char* str_begin, const char* str_end, char c); IMGUI_API const char* ImStrchrRange(const char* str_begin, const char* str_end, char c);
IMGUI_API int ImStrlenW(const ImWchar* str); IMGUI_API int ImStrlenW(const ImWchar* str);
IMGUI_API const char* ImStreolRange(const char* str, const char* str_end); // End end-of-line IMGUI_API const char* ImStreolRange(const char* str, const char* str_end); // End end-of-line
@ -249,7 +269,7 @@ struct IMGUI_API ImPool
}; };
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// Types // Misc data structures
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
enum ImGuiButtonFlags_ enum ImGuiButtonFlags_
@ -343,8 +363,8 @@ enum ImGuiItemStatusFlags_
// FIXME: this is in development, not exposed/functional as a generic feature yet. // FIXME: this is in development, not exposed/functional as a generic feature yet.
enum ImGuiLayoutType_ enum ImGuiLayoutType_
{ {
ImGuiLayoutType_Vertical, ImGuiLayoutType_Vertical = 0,
ImGuiLayoutType_Horizontal ImGuiLayoutType_Horizontal = 1
}; };
enum ImGuiAxis enum ImGuiAxis
@ -1217,6 +1237,7 @@ struct IMGUI_API ImGuiWindow
ImVec2 WindowPadding; // Window padding at the time of begin. ImVec2 WindowPadding; // Window padding at the time of begin.
float WindowRounding; // Window rounding at the time of begin. float WindowRounding; // Window rounding at the time of begin.
float WindowBorderSize; // Window border size at the time of begin. float WindowBorderSize; // Window border size at the time of begin.
int NameBufLen; // Size of buffer storing Name. May be larger than strlen(Name)!
ImGuiID MoveId; // == window->GetID("#MOVE") ImGuiID MoveId; // == window->GetID("#MOVE")
ImGuiID ChildId; // ID of corresponding item in parent window (for navigation to return from child window to parent window) ImGuiID ChildId; // ID of corresponding item in parent window (for navigation to return from child window to parent window)
ImVec2 Scroll; ImVec2 Scroll;
@ -1332,7 +1353,7 @@ struct ImGuiItemHoveredDataBackup
}; };
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// Tab Bar, Tab Item // Tab bar, tab item
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
enum ImGuiTabBarFlagsPrivate_ enum ImGuiTabBarFlagsPrivate_
@ -1389,7 +1410,7 @@ struct ImGuiTabBar
short LastTabItemIdx; // For BeginTabItem()/EndTabItem() short LastTabItemIdx; // For BeginTabItem()/EndTabItem()
ImGuiTabBar(); ImGuiTabBar();
int GetTabOrder(const ImGuiTabItem* tab) const { return Tabs.index_from_pointer(tab); } int GetTabOrder(const ImGuiTabItem* tab) const { return Tabs.index_from_ptr(tab); }
}; };
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
@ -1638,11 +1659,11 @@ IMGUI_API void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned ch
// Test engine hooks (imgui-test) // Test engine hooks (imgui-test)
//#define IMGUI_ENABLE_TEST_ENGINE //#define IMGUI_ENABLE_TEST_ENGINE
#ifdef IMGUI_ENABLE_TEST_ENGINE #ifdef IMGUI_ENABLE_TEST_ENGINE
extern void ImGuiTestEngineHook_PreNewFrame(); extern void ImGuiTestEngineHook_PreNewFrame(ImGuiContext* ctx);
extern void ImGuiTestEngineHook_PostNewFrame(); extern void ImGuiTestEngineHook_PostNewFrame(ImGuiContext* ctx);
extern void ImGuiTestEngineHook_ItemAdd(const ImRect& bb, ImGuiID id); extern void ImGuiTestEngineHook_ItemAdd(ImGuiContext* ctx, const ImRect& bb, ImGuiID id);
extern void ImGuiTestEngineHook_ItemInfo(ImGuiID id, const char* label, int flags); extern void ImGuiTestEngineHook_ItemInfo(ImGuiContext* ctx, ImGuiID id, const char* label, int flags);
#define IMGUI_TEST_ENGINE_ITEM_INFO(_ID, _LABEL, _FLAGS) ImGuiTestEngineHook_ItemInfo(_ID, _LABEL, _FLAGS) // Register status flags #define IMGUI_TEST_ENGINE_ITEM_INFO(_ID, _LABEL, _FLAGS) ImGuiTestEngineHook_ItemInfo(&g, _ID, _LABEL, _FLAGS) // Register status flags
#else #else
#define IMGUI_TEST_ENGINE_ITEM_INFO(_ID, _LABEL, _FLAGS) do { } while (0) #define IMGUI_TEST_ENGINE_ITEM_INFO(_ID, _LABEL, _FLAGS) do { } while (0)
#endif #endif

22
imgui_widgets.cpp
View File

@ -204,7 +204,7 @@ void ImGui::TextUnformatted(const char* text, const char* text_end)
} }
ImRect bb(text_pos, text_pos + text_size); ImRect bb(text_pos, text_pos + text_size);
ItemSize(bb); ItemSize(text_size);
ItemAdd(bb, 0); ItemAdd(bb, 0);
} }
else else
@ -282,10 +282,12 @@ void ImGui::TextWrapped(const char* fmt, ...)
void ImGui::TextWrappedV(const char* fmt, va_list args) void ImGui::TextWrappedV(const char* fmt, va_list args)
{ {
bool need_wrap = (GImGui->CurrentWindow->DC.TextWrapPos < 0.0f); // Keep existing wrap position is one ia already set bool need_backup = (GImGui->CurrentWindow->DC.TextWrapPos < 0.0f); // Keep existing wrap position if one is already set
if (need_wrap) PushTextWrapPos(0.0f); if (need_backup)
PushTextWrapPos(0.0f);
TextV(fmt, args); TextV(fmt, args);
if (need_wrap) PopTextWrapPos(); if (need_backup)
PopTextWrapPos();
} }
void ImGui::LabelText(const char* label, const char* fmt, ...) void ImGui::LabelText(const char* label, const char* fmt, ...)
@ -398,8 +400,8 @@ bool ImGui::ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool
g.HoveredWindow = window; g.HoveredWindow = window;
#ifdef IMGUI_ENABLE_TEST_ENGINE #ifdef IMGUI_ENABLE_TEST_ENGINE
if (window->DC.LastItemId != id) if (id != 0 && window->DC.LastItemId != id)
ImGuiTestEngineHook_ItemAdd(bb, id); ImGuiTestEngineHook_ItemAdd(&g, bb, id);
#endif #endif
bool pressed = false; bool pressed = false;
@ -547,7 +549,7 @@ bool ImGui::ButtonEx(const char* label, const ImVec2& size_arg, ImGuiButtonFlags
ImVec2 size = CalcItemSize(size_arg, label_size.x + style.FramePadding.x * 2.0f, label_size.y + style.FramePadding.y * 2.0f); ImVec2 size = CalcItemSize(size_arg, label_size.x + style.FramePadding.x * 2.0f, label_size.y + style.FramePadding.y * 2.0f);
const ImRect bb(pos, pos + size); const ImRect bb(pos, pos + size);
ItemSize(bb, style.FramePadding.y); ItemSize(size, style.FramePadding.y);
if (!ItemAdd(bb, id)) if (!ItemAdd(bb, id))
return false; return false;
@ -601,7 +603,7 @@ bool ImGui::InvisibleButton(const char* str_id, const ImVec2& size_arg)
const ImGuiID id = window->GetID(str_id); const ImGuiID id = window->GetID(str_id);
ImVec2 size = CalcItemSize(size_arg, 0.0f, 0.0f); ImVec2 size = CalcItemSize(size_arg, 0.0f, 0.0f);
const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size); const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size);
ItemSize(bb); ItemSize(size);
if (!ItemAdd(bb, id)) if (!ItemAdd(bb, id))
return false; return false;
@ -5064,7 +5066,7 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
bb.Min.y -= spacing_U; bb.Min.y -= spacing_U;
bb.Max.x += spacing_R; bb.Max.x += spacing_R;
bb.Max.y += spacing_D; bb.Max.y += spacing_D;
if (!ItemAdd(bb, (flags & ImGuiSelectableFlags_Disabled) ? 0 : id)) if (!ItemAdd(bb, id))
{ {
if ((flags & ImGuiSelectableFlags_SpanAllColumns) && window->DC.ColumnsSet) if ((flags & ImGuiSelectableFlags_SpanAllColumns) && window->DC.ColumnsSet)
PushColumnClipRect(); PushColumnClipRect();
@ -6395,7 +6397,7 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
tab->Width = size.x; tab->Width = size.x;
tab_is_new = true; tab_is_new = true;
} }
tab_bar->LastTabItemIdx = (short)tab_bar->Tabs.index_from_pointer(tab); tab_bar->LastTabItemIdx = (short)tab_bar->Tabs.index_from_ptr(tab);
tab->WidthContents = size.x; tab->WidthContents = size.x;
const bool tab_bar_appearing = (tab_bar->PrevFrameVisible + 1 < g.FrameCount); const bool tab_bar_appearing = (tab_bar->PrevFrameVisible + 1 < g.FrameCount);