Drezil/imgui
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Merge branch 'pr/40'

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This commit is contained in:
ocornut 2014-08-31 11:54:45 +01:00
commit 22a9555a99
3 changed files with 97 additions and 37 deletions
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13
imconfig.h
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@ -4,6 +4,18 @@
#pragma once
//---- Define your own malloc/free/realloc functions if you want to override internal memory allocations for ImGui
/*
#define IM_MALLOC(_SIZE) MyMalloc(_SIZE)
#define IM_FREE(_PTR) MyFree(_PTR)
#define IM_REALLOC(_PTR, _SIZE) MyRealloc(_PTR, _SIZE)
#include <stdlib.h> // size_t
void* MyMalloc(size_t size);
void MyFree(void *ptr);
void* MyRealloc(void *ptr, size_t size);
*/
//---- Define your own ImVector<> type if you don't want to use the provided implementation defined in imgui.h
//#include <vector>
//#define ImVector std::vector
@ -35,3 +47,4 @@ namespace ImGui
void Value(const char* prefix, const MyVec4& v, const char* float_format = NULL);
};
*/

100
imgui.cpp
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@ -188,11 +188,13 @@
#include <stdint.h> // intptr_t
#include <stdio.h> // vsnprintf
#include <string.h> // memset
#include <new> // new (ptr)
#ifdef _MSC_VER
#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
#endif
//-------------------------------------------------------------------------
// Forward Declarations
//-------------------------------------------------------------------------
@ -373,6 +375,14 @@ static int ImStricmp(const char* str1, const char* str2)
return d;
}
static char* ImStrdup(const char *str)
{
char *buff = (char*)IM_MALLOC(strlen(str) + 1);
IM_ASSERT(buff);
strcpy(buff, str);
return buff;
}
static const char* ImStristr(const char* haystack, const char* needle, const char* needle_end)
{
if (!needle_end)
@ -615,7 +625,7 @@ struct ImGuiIniData
bool Collapsed;
ImGuiIniData() { memset(this, 0, sizeof(*this)); }
~ImGuiIniData() { if (Name) { free(Name); Name = NULL; } }
~ImGuiIniData() { if (Name) { IM_FREE(Name); Name = NULL; } }
};
struct ImGuiState
@ -656,7 +666,7 @@ struct ImGuiState
// Logging
bool LogEnabled;
FILE* LogFile;
ImGuiTextBuffer LogClipboard;
ImGuiTextBuffer* LogClipboard;
int LogAutoExpandMaxDepth;
ImGuiState()
@ -679,6 +689,7 @@ struct ImGuiState
LogEnabled = false;
LogFile = NULL;
LogAutoExpandMaxDepth = 2;
LogClipboard = NULL;
}
};
@ -944,7 +955,7 @@ void ImGuiTextBuffer::append(const char* fmt, ...)
ImGuiWindow::ImGuiWindow(const char* name, ImVec2 default_pos, ImVec2 default_size)
{
Name = strdup(name);
Name = ImStrdup(name);
ID = GetID(name);
IDStack.push_back(ID);
@ -971,14 +982,16 @@ ImGuiWindow::ImGuiWindow(const char* name, ImVec2 default_pos, ImVec2 default_si
FocusIdxRequestCurrent = IM_INT_MAX;
FocusIdxRequestNext = IM_INT_MAX;
DrawList = new ImDrawList();
DrawList = (ImDrawList*)IM_MALLOC(sizeof(ImDrawList));
new(DrawList) ImDrawList();
}
ImGuiWindow::~ImGuiWindow()
{
delete DrawList;
DrawList->~ImDrawList();
IM_FREE(DrawList);
DrawList = NULL;
free(Name);
IM_FREE(Name);
Name = NULL;
}
@ -1058,8 +1071,9 @@ static ImGuiIniData* FindWindowSettings(const char* name)
if (ImStricmp(ini->Name, name) == 0)
return ini;
}
ImGuiIniData* ini = new ImGuiIniData();
ini->Name = strdup(name);
ImGuiIniData* ini = (ImGuiIniData*)IM_MALLOC(sizeof(ImGuiIniData));
new(ini) ImGuiIniData();
ini->Name = ImStrdup(name);
ini->Collapsed = false;
ini->Pos = ImVec2(FLT_MAX,FLT_MAX);
ini->Size = ImVec2(0,0);
@ -1097,12 +1111,12 @@ static void LoadSettings()
fclose(f);
return;
}
char* f_data = new char[f_size+1];
char* f_data = (char*)IM_MALLOC(f_size+1);
f_size = fread(f_data, 1, f_size, f); // Text conversion alter read size so let's not be fussy about return value
fclose(f);
if (f_size == 0)
{
delete[] f_data;
IM_FREE(f_data);
return;
}
f_data[f_size] = 0;
@ -1136,7 +1150,7 @@ static void LoadSettings()
line_start = line_end+1;
}
delete[] f_data;
IM_FREE(f_data);
}
static void SaveSettings()
@ -1208,6 +1222,9 @@ void NewFrame()
if (!g.Initialized)
{
// Initialize on first frame
g.LogClipboard = (ImGuiTextBuffer*)IM_MALLOC(sizeof(ImGuiTextBuffer));
new(g.LogClipboard) ImGuiTextBuffer();
IM_ASSERT(g.Settings.empty());
LoadSettings();
if (!g.IO.Font)
@ -1216,7 +1233,8 @@ void NewFrame()
const void* fnt_data;
unsigned int fnt_size;
ImGui::GetDefaultFontData(&fnt_data, &fnt_size, NULL, NULL);
g.IO.Font = new ImBitmapFont();
g.IO.Font = (ImBitmapFont*)IM_MALLOC(sizeof(ImBitmapFont));
new(g.IO.Font) ImBitmapFont();
g.IO.Font->LoadFromMemory(fnt_data, fnt_size);
g.IO.FontYOffset = +1;
}
@ -1343,14 +1361,21 @@ void Shutdown()
SaveSettings();
for (size_t i = 0; i < g.Windows.size(); i++)
delete g.Windows[i];
{
g.Windows[i]->~ImGuiWindow();
IM_FREE(g.Windows[i]);
}
g.Windows.clear();
g.CurrentWindowStack.clear();
g.RenderDrawLists.clear();
g.FocusedWindow = NULL;
g.HoveredWindow = NULL;
g.HoveredWindowExcludingChilds = NULL;
for (size_t i = 0; i < g.Settings.size(); i++)
delete g.Settings[i];
{
g.Settings[i]->~ImGuiIniData();
IM_FREE(g.Settings[i]);
}
g.Settings.clear();
g.ColorEditModeStorage.Clear();
if (g.LogFile && g.LogFile != stdout)
@ -1360,16 +1385,23 @@ void Shutdown()
}
if (g.IO.Font)
{
delete g.IO.Font;
g.IO.Font->~ImBitmapFont();
IM_FREE(g.IO.Font);
g.IO.Font = NULL;
}
if (g.PrivateClipboard)
{
free(g.PrivateClipboard);
IM_FREE(g.PrivateClipboard);
g.PrivateClipboard = NULL;
}
if (g.LogClipboard)
{
g.LogClipboard->~ImGuiTextBuffer();
IM_FREE(g.LogClipboard);
}
g.Initialized = false;
}
@ -1534,9 +1566,9 @@ static void LogText(const ImVec2& ref_pos, const char* text, const char* text_en
else
{
if (log_new_line || !is_first_line)
g.LogClipboard.append("\n%*s%.*s", tree_depth*4, "", char_count, text_remaining);
g.LogClipboard->append("\n%*s%.*s", tree_depth*4, "", char_count, text_remaining);
else
g.LogClipboard.append(" %.*s", char_count, text_remaining);
g.LogClipboard->append(" %.*s", char_count, text_remaining);
}
}
@ -1859,7 +1891,8 @@ bool Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, ImGuiWin
// Create window the first time, and load settings
if (flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_Tooltip))
{
window = new ImGuiWindow(name, ImVec2(0,0), size);
window = (ImGuiWindow*)IM_MALLOC(sizeof(ImGuiWindow));
new(window) ImGuiWindow(name, ImVec2(0,0), size);
}
else
{
@ -1867,7 +1900,8 @@ bool Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, ImGuiWin
if (settings && ImLength(settings->Size) > 0.0f && !(flags & ImGuiWindowFlags_NoResize))// && ImLengthsize) == 0.0f)
size = settings->Size;
window = new ImGuiWindow(name, g.NewWindowDefaultPos, size);
window = (ImGuiWindow*)IM_MALLOC(sizeof(ImGuiWindow));
new(window) ImGuiWindow(name, g.NewWindowDefaultPos, size);
if (settings->Pos.x != FLT_MAX)
{
@ -2267,12 +2301,12 @@ void End()
fclose(g.LogFile);
g.LogFile = NULL;
}
if (g.LogClipboard.size() > 1)
if (g.LogClipboard->size() > 1)
{
g.LogClipboard.append("\n");
g.LogClipboard->append("\n");
if (g.IO.SetClipboardTextFn)
g.IO.SetClipboardTextFn(g.LogClipboard.begin(), g.LogClipboard.end());
g.LogClipboard.clear();
g.IO.SetClipboardTextFn(g.LogClipboard->begin(), g.LogClipboard->end());
g.LogClipboard->clear();
}
}
@ -3970,7 +4004,7 @@ bool InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlag
{
// Remove new-line from pasted buffer
size_t clipboard_len = strlen(clipboard);
char* clipboard_filtered = (char*)malloc(clipboard_len+1);
char* clipboard_filtered = (char*)IM_MALLOC(clipboard_len+1);
int clipboard_filtered_len = 0;
for (int i = 0; clipboard[i]; i++)
{
@ -3981,7 +4015,7 @@ bool InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlag
}
clipboard_filtered[clipboard_filtered_len] = 0;
stb_textedit_paste(&edit_state, &edit_state.StbState, clipboard_filtered, clipboard_filtered_len);
free(clipboard_filtered);
IM_FREE(clipboard_filtered);
}
}
else if (g.IO.InputCharacters[0])
@ -5100,7 +5134,7 @@ ImBitmapFont::ImBitmapFont()
void ImBitmapFont::Clear()
{
if (Data && DataOwned)
free(Data);
IM_FREE(Data);
Data = NULL;
DataOwned = false;
Info = NULL;
@ -5127,7 +5161,7 @@ bool ImBitmapFont::LoadFromFile(const char* filename)
DataSize = (size_t)f_size;
if (fseek(f, 0, SEEK_SET))
return false;
if ((Data = (unsigned char*)malloc(DataSize)) == NULL)
if ((Data = (unsigned char*)IM_MALLOC(DataSize)) == NULL)
{
fclose(f);
return false;
@ -5135,7 +5169,7 @@ bool ImBitmapFont::LoadFromFile(const char* filename)
if (fread(Data, 1, DataSize, f) != DataSize)
{
fclose(f);
free(Data);
IM_FREE(Data);
return false;
}
fclose(f);
@ -5378,7 +5412,7 @@ static const char* GetClipboardTextFn_DefaultImpl()
static char* buf_local = NULL;
if (buf_local)
{
free(buf_local);
IM_FREE(buf_local);
buf_local = NULL;
}
if (!OpenClipboard(NULL))
@ -5387,7 +5421,7 @@ static const char* GetClipboardTextFn_DefaultImpl()
if (buf_handle == NULL)
return NULL;
if (char* buf_global = (char*)GlobalLock(buf_handle))
buf_local = strdup(buf_global);
buf_local = ImStrdup(buf_global);
GlobalUnlock(buf_handle);
CloseClipboard();
return buf_local;
@ -5426,12 +5460,12 @@ static void SetClipboardTextFn_DefaultImpl(const char* text, const char* text_en
{
if (GImGui.PrivateClipboard)
{
free(GImGui.PrivateClipboard);
IM_FREE(GImGui.PrivateClipboard);
GImGui.PrivateClipboard = NULL;
}
if (!text_end)
text_end = text + strlen(text);
GImGui.PrivateClipboard = (char*)malloc((size_t)(text_end - text) + 1);
GImGui.PrivateClipboard = (char*)IM_MALLOC((size_t)(text_end - text) + 1);
memcpy(GImGui.PrivateClipboard, text, (size_t)(text_end - text));
GImGui.PrivateClipboard[(size_t)(text_end - text)] = 0;
}

19
imgui.h
View File

@ -19,6 +19,18 @@ struct ImGuiWindow;
#include <stdarg.h> // va_list
#include <stdlib.h> // NULL
#ifndef IM_MALLOC
#define IM_MALLOC(_SIZE) malloc((_SIZE))
#endif
#ifndef IM_FREE
#define IM_FREE(_PTR) free((_PTR))
#endif
#ifndef IM_REALLOC
#define IM_REALLOC(_PTR, _SIZE) realloc((_PTR), (_SIZE))
#endif
#ifndef IM_ASSERT
#include <assert.h>
#define IM_ASSERT(_EXPR) assert(_EXPR)
@ -58,6 +70,7 @@ struct ImVec4
// std::vector<> like class to avoid dragging dependencies (also: windows implementation of STL with debug enabled is absurdly slow, so let's bypass it so our code runs fast in debug).
// this implementation does NOT call c++ constructors! we don't need them! also only provide the minimum functionalities we need.
#ifndef ImVector
template<typename T>
class ImVector
{
@ -72,7 +85,7 @@ public:
typedef const value_type* const_iterator;
ImVector() { Size = Capacity = 0; Data = NULL; }
~ImVector() { if (Data) free(Data); }
~ImVector() { if (Data) IM_FREE(Data); }
inline bool empty() const { return Size == 0; }
inline size_t size() const { return Size; }
@ -83,7 +96,7 @@ public:
inline value_type& operator[](size_t i) { IM_ASSERT(i < Size); return Data[i]; }
inline const value_type& operator[](size_t i) const { IM_ASSERT(i < Size); return Data[i]; }
inline void clear() { if (Data) { Size = Capacity = 0; free(Data); Data = NULL; } }
inline void clear() { if (Data) { Size = Capacity = 0; IM_FREE(Data); Data = NULL; } }
inline iterator begin() { return Data; }
inline const_iterator begin() const { return Data; }
inline iterator end() { return Data + Size; }
@ -94,7 +107,7 @@ public:
inline const value_type& back() const { IM_ASSERT(Size > 0); return at(Size-1); }
inline void swap(ImVector<T>& rhs) { const size_t rhs_size = rhs.Size; rhs.Size = Size; Size = rhs_size; const size_t rhs_cap = rhs.Capacity; rhs.Capacity = Capacity; Capacity = rhs_cap; value_type* rhs_data = rhs.Data; rhs.Data = Data; Data = rhs_data; }
inline void reserve(size_t new_capacity) { Data = (value_type*)realloc(Data, new_capacity * sizeof(value_type)); Capacity = new_capacity; }
inline void reserve(size_t new_capacity) { Data = (value_type*)IM_REALLOC(Data, new_capacity * sizeof(value_type)); Capacity = new_capacity; }
inline void resize(size_t new_size) { if (new_size > Capacity) reserve(new_size); Size = new_size; }
inline void push_back(const value_type& v) { if (Size == Capacity) reserve(Capacity ? Capacity * 2 : 4); Data[Size++] = v; }