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Merge branch 'master' into viewport

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# Conflicts:
#	examples/README.txt
#	imgui.cpp
docking
omar 6 years ago
parent 2d21a64fed f14f93ef6e
commit cb9a6b8a8b
14 changed files with 258 additions and 198 deletions
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3
docs/CHANGELOG.txt
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@ -75,10 +75,13 @@ Other changes:
Other Changes: Other Changes:
- Added .editorconfig file for text editors to standardize using spaces. (#2038) [@kudaba] - Added .editorconfig file for text editors to standardize using spaces. (#2038) [@kudaba]
- Fixed range-version of PushID() and GetID() not honoring the ### operator to restart from the seed value.
- ImDrawList: Fixed AddCircle(), AddCircleFilled() angle step being off, which was visible when drawing a "circle" - ImDrawList: Fixed AddCircle(), AddCircleFilled() angle step being off, which was visible when drawing a "circle"
with a small number of segments (e.g. an hexagon). (#2287) [@baktery] with a small number of segments (e.g. an hexagon). (#2287) [@baktery]
- ImGuiTextBuffer: Added append() function (unformatted).
- ImFontAtlas: Added 0x2000-0x206F general punctuation range to default ChineseFull/ChineseSimplifiedCommon ranges. (#2093) - ImFontAtlas: Added 0x2000-0x206F general punctuation range to default ChineseFull/ChineseSimplifiedCommon ranges. (#2093)
- ImFontAtlas: FreeType: Added support for imgui allocators + custom FreeType only SetAllocatorFunctions. (#2285) [@Vuhdo] - ImFontAtlas: FreeType: Added support for imgui allocators + custom FreeType only SetAllocatorFunctions. (#2285) [@Vuhdo]
- ImFontAtlas: FreeType: Fixed using imgui_freetype.cpp in unity builds. (#2302)
- Examples: Win32: Using GetForegroundWindow()+IsChild() instead of GetActiveWindow() to be compatible with windows created - Examples: Win32: Using GetForegroundWindow()+IsChild() instead of GetActiveWindow() to be compatible with windows created
in a different thread or parent. (#1951, #2087, #2156, #2232) [many people] in a different thread or parent. (#1951, #2087, #2156, #2232) [many people]
- Examples: Win32: Added support for XInput games (if ImGuiConfigFlags_NavEnableGamepad is enabled). - Examples: Win32: Added support for XInput games (if ImGuiConfigFlags_NavEnableGamepad is enabled).

183
imgui.cpp
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@ -713,8 +713,8 @@ CODE
you to animate labels. For example you may want to include varying information in a window title bar, you to animate labels. For example you may want to include varying information in a window title bar,
but windows are uniquely identified by their ID. Use "###" to pass a label that isn't part of ID: but windows are uniquely identified by their ID. Use "###" to pass a label that isn't part of ID:
Button("Hello###ID"); // Label = "Hello", ID = hash of (..., "ID") Button("Hello###ID"); // Label = "Hello", ID = hash of (..., "###ID")
Button("World###ID"); // Label = "World", ID = hash of (..., "ID") // Same as above, even though the label looks different Button("World###ID"); // Label = "World", ID = hash of (..., "###ID") // Same as above, even though the label looks different
sprintf(buf, "My game (%f FPS)###MyGame", fps); sprintf(buf, "My game (%f FPS)###MyGame", fps);
Begin(buf); // Variable title, ID = hash of "MyGame" Begin(buf); // Variable title, ID = hash of "MyGame"
@ -1043,7 +1043,7 @@ static void UpdateManualResize(ImGuiWindow* window, const ImVec2& si
static void EndFrameDrawDimmedBackgrounds(); static void EndFrameDrawDimmedBackgrounds();
// Viewports // Viewports
const ImGuiID IMGUI_VIEWPORT_DEFAULT_ID = 0x11111111; // Using an arbitrary constant instead of e.g. ImHash("ViewportDefault", 0); so it's easier to spot in the debugger. The exact value doesn't matter. const ImGuiID IMGUI_VIEWPORT_DEFAULT_ID = 0x11111111; // Using an arbitrary constant instead of e.g. ImHashStr("ViewportDefault", 0); so it's easier to spot in the debugger. The exact value doesn't matter.
static ImGuiViewportP* AddUpdateViewport(ImGuiWindow* window, ImGuiID id, const ImVec2& platform_pos, const ImVec2& size, ImGuiViewportFlags flags); static ImGuiViewportP* AddUpdateViewport(ImGuiWindow* window, ImGuiID id, const ImVec2& platform_pos, const ImVec2& size, ImGuiViewportFlags flags);
static void UpdateViewportsNewFrame(); static void UpdateViewportsNewFrame();
static void UpdateViewportsEndFrame(); static void UpdateViewportsEndFrame();
@ -1458,45 +1458,69 @@ 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, data_size > 0 for non-string data. // CRC32 needs a 1KB lookup table (not cache friendly)
// Pay attention that data_size==0 will yield different results than passing strlen(data) because the zero-terminated codepath handles ###. // Although the code to generate the table is simple and shorter than the table itself, using a const table allows us to easily:
// This should technically be split into two distinct functions (ImHashData/ImHashStr), perhaps once we remove the silly static variable. // - avoid an unnecessary branch/memory tap, - keep the ImHashXXX functions usable by static constructors, - make it thread-safe.
static const ImU32 GCrc32LookupTable[256] =
{
0x00000000,0x77073096,0xEE0E612C,0x990951BA,0x076DC419,0x706AF48F,0xE963A535,0x9E6495A3,0x0EDB8832,0x79DCB8A4,0xE0D5E91E,0x97D2D988,0x09B64C2B,0x7EB17CBD,0xE7B82D07,0x90BF1D91,
0x1DB71064,0x6AB020F2,0xF3B97148,0x84BE41DE,0x1ADAD47D,0x6DDDE4EB,0xF4D4B551,0x83D385C7,0x136C9856,0x646BA8C0,0xFD62F97A,0x8A65C9EC,0x14015C4F,0x63066CD9,0xFA0F3D63,0x8D080DF5,
0x3B6E20C8,0x4C69105E,0xD56041E4,0xA2677172,0x3C03E4D1,0x4B04D447,0xD20D85FD,0xA50AB56B,0x35B5A8FA,0x42B2986C,0xDBBBC9D6,0xACBCF940,0x32D86CE3,0x45DF5C75,0xDCD60DCF,0xABD13D59,
0x26D930AC,0x51DE003A,0xC8D75180,0xBFD06116,0x21B4F4B5,0x56B3C423,0xCFBA9599,0xB8BDA50F,0x2802B89E,0x5F058808,0xC60CD9B2,0xB10BE924,0x2F6F7C87,0x58684C11,0xC1611DAB,0xB6662D3D,
0x76DC4190,0x01DB7106,0x98D220BC,0xEFD5102A,0x71B18589,0x06B6B51F,0x9FBFE4A5,0xE8B8D433,0x7807C9A2,0x0F00F934,0x9609A88E,0xE10E9818,0x7F6A0DBB,0x086D3D2D,0x91646C97,0xE6635C01,
0x6B6B51F4,0x1C6C6162,0x856530D8,0xF262004E,0x6C0695ED,0x1B01A57B,0x8208F4C1,0xF50FC457,0x65B0D9C6,0x12B7E950,0x8BBEB8EA,0xFCB9887C,0x62DD1DDF,0x15DA2D49,0x8CD37CF3,0xFBD44C65,
0x4DB26158,0x3AB551CE,0xA3BC0074,0xD4BB30E2,0x4ADFA541,0x3DD895D7,0xA4D1C46D,0xD3D6F4FB,0x4369E96A,0x346ED9FC,0xAD678846,0xDA60B8D0,0x44042D73,0x33031DE5,0xAA0A4C5F,0xDD0D7CC9,
0x5005713C,0x270241AA,0xBE0B1010,0xC90C2086,0x5768B525,0x206F85B3,0xB966D409,0xCE61E49F,0x5EDEF90E,0x29D9C998,0xB0D09822,0xC7D7A8B4,0x59B33D17,0x2EB40D81,0xB7BD5C3B,0xC0BA6CAD,
0xEDB88320,0x9ABFB3B6,0x03B6E20C,0x74B1D29A,0xEAD54739,0x9DD277AF,0x04DB2615,0x73DC1683,0xE3630B12,0x94643B84,0x0D6D6A3E,0x7A6A5AA8,0xE40ECF0B,0x9309FF9D,0x0A00AE27,0x7D079EB1,
0xF00F9344,0x8708A3D2,0x1E01F268,0x6906C2FE,0xF762575D,0x806567CB,0x196C3671,0x6E6B06E7,0xFED41B76,0x89D32BE0,0x10DA7A5A,0x67DD4ACC,0xF9B9DF6F,0x8EBEEFF9,0x17B7BE43,0x60B08ED5,
0xD6D6A3E8,0xA1D1937E,0x38D8C2C4,0x4FDFF252,0xD1BB67F1,0xA6BC5767,0x3FB506DD,0x48B2364B,0xD80D2BDA,0xAF0A1B4C,0x36034AF6,0x41047A60,0xDF60EFC3,0xA867DF55,0x316E8EEF,0x4669BE79,
0xCB61B38C,0xBC66831A,0x256FD2A0,0x5268E236,0xCC0C7795,0xBB0B4703,0x220216B9,0x5505262F,0xC5BA3BBE,0xB2BD0B28,0x2BB45A92,0x5CB36A04,0xC2D7FFA7,0xB5D0CF31,0x2CD99E8B,0x5BDEAE1D,
0x9B64C2B0,0xEC63F226,0x756AA39C,0x026D930A,0x9C0906A9,0xEB0E363F,0x72076785,0x05005713,0x95BF4A82,0xE2B87A14,0x7BB12BAE,0x0CB61B38,0x92D28E9B,0xE5D5BE0D,0x7CDCEFB7,0x0BDBDF21,
0x86D3D2D4,0xF1D4E242,0x68DDB3F8,0x1FDA836E,0x81BE16CD,0xF6B9265B,0x6FB077E1,0x18B74777,0x88085AE6,0xFF0F6A70,0x66063BCA,0x11010B5C,0x8F659EFF,0xF862AE69,0x616BFFD3,0x166CCF45,
0xA00AE278,0xD70DD2EE,0x4E048354,0x3903B3C2,0xA7672661,0xD06016F7,0x4969474D,0x3E6E77DB,0xAED16A4A,0xD9D65ADC,0x40DF0B66,0x37D83BF0,0xA9BCAE53,0xDEBB9EC5,0x47B2CF7F,0x30B5FFE9,
0xBDBDF21C,0xCABAC28A,0x53B39330,0x24B4A3A6,0xBAD03605,0xCDD70693,0x54DE5729,0x23D967BF,0xB3667A2E,0xC4614AB8,0x5D681B02,0x2A6F2B94,0xB40BBE37,0xC30C8EA1,0x5A05DF1B,0x2D02EF8D,
};
// Known size hash
// It is ok to call ImHashData on a string with known length but the ### operator won't be supported.
// 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 ImHashData(const void* data_p, size_t data_size, ImU32 seed)
{ {
static ImU32 crc32_lut[256] = { 0 }; ImU32 crc = ~seed;
if (!crc32_lut[1]) const unsigned char* data = (const unsigned char*)data_p;
{ const ImU32* crc32_lut = GCrc32LookupTable;
const ImU32 polynomial = 0xEDB88320; while (data_size-- != 0)
for (ImU32 i = 0; i < 256; i++) crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ *data++];
{ return ~crc;
ImU32 crc = i; }
for (ImU32 j = 0; j < 8; j++)
crc = (crc >> 1) ^ (ImU32(-int(crc & 1)) & polynomial);
crc32_lut[i] = crc;
}
}
// Zero-terminated string hash, with support for ### to reset back to seed value
// We support a syntax of "label###id" where only "###id" is included in the hash, and only "label" gets displayed.
// Because this syntax is rarely used we are optimizing for the common case.
// - If we reach ### in the string we discard the hash so far and reset to the seed.
// - We don't do 'current += 2; continue;' after handling ### to keep the code smaller/faster (measured ~10% diff in Debug build)
// FIXME-OPT: Replace with e.g. FNV1a hash? CRC32 pretty much randomly access 1KB. Need to do proper measurements.
ImU32 ImHashStr(const char* data, size_t data_size, ImU32 seed)
{
seed = ~seed; seed = ~seed;
ImU32 crc = seed; ImU32 crc = seed;
const unsigned char* current = (const unsigned char*)data; const unsigned char* src = (const unsigned char*)data;
const ImU32* crc32_lut = GCrc32LookupTable;
if (data_size > 0) if (data_size != 0)
{
while (data_size-- != 0)
{ {
// Known size unsigned char c = *src++;
while (data_size--) if (c == '#' && src[0] == '#' && src[1] == '#')
crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ *current++]; crc = seed;
crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ c];
}
} }
else else
{ {
// Zero-terminated string while (unsigned char c = *src++)
while (unsigned char c = *current++)
{ {
// We support a syntax of "label###id" where only "###id" is included in the hash, and only "label" gets displayed. if (c == '#' && src[0] == '#' && src[1] == '#')
// Because this syntax is rarely used we are optimizing for the common case.
// - If we reach ### in the string we discard the hash so far and reset to the seed.
// - We don't do 'current += 2; continue;' after handling ### to keep the code smaller.
if (c == '#' && current[0] == '#' && current[1] == '#')
crc = seed; crc = seed;
crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ c]; crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ c];
} }
@ -2122,6 +2146,32 @@ bool ImGuiTextFilter::PassFilter(const char* text, const char* text_end) const
char ImGuiTextBuffer::EmptyString[1] = { 0 }; char ImGuiTextBuffer::EmptyString[1] = { 0 };
void ImGuiTextBuffer::append(const char* str, const char* str_end)
{
int len = str_end ? (int)(str_end - str) : (int)strlen(str);
// Add zero-terminator the first time
const int write_off = (Buf.Size != 0) ? Buf.Size : 1;
const int needed_sz = write_off + len;
if (write_off + len >= Buf.Capacity)
{
int new_capacity = Buf.Capacity * 2;
Buf.reserve(needed_sz > new_capacity ? needed_sz : new_capacity);
}
Buf.resize(needed_sz);
memcpy(&Buf[write_off - 1], str, (size_t)len);
Buf[write_off - 1 + len] = 0;
}
void ImGuiTextBuffer::appendf(const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
appendfv(fmt, args);
va_end(args);
}
// Helper: Text buffer for logging/accumulating text // Helper: Text buffer for logging/accumulating text
void ImGuiTextBuffer::appendfv(const char* fmt, va_list args) void ImGuiTextBuffer::appendfv(const char* fmt, va_list args)
{ {
@ -2140,8 +2190,8 @@ void ImGuiTextBuffer::appendfv(const char* fmt, va_list args)
const int needed_sz = write_off + len; const int needed_sz = write_off + len;
if (write_off + len >= Buf.Capacity) if (write_off + len >= Buf.Capacity)
{ {
int double_capacity = Buf.Capacity * 2; int new_capacity = Buf.Capacity * 2;
Buf.reserve(needed_sz > double_capacity ? needed_sz : double_capacity); Buf.reserve(needed_sz > new_capacity ? needed_sz : new_capacity);
} }
Buf.resize(needed_sz); Buf.resize(needed_sz);
@ -2149,14 +2199,6 @@ void ImGuiTextBuffer::appendfv(const char* fmt, va_list args)
va_end(args_copy); va_end(args_copy);
} }
void ImGuiTextBuffer::appendf(const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
appendfv(fmt, args);
va_end(args);
}
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// [SECTION] ImGuiListClipper // [SECTION] ImGuiListClipper
// This is currently not as flexible/powerful as it should be, needs some rework (see TODO) // This is currently not as flexible/powerful as it should be, needs some rework (see TODO)
@ -2475,7 +2517,7 @@ ImGuiWindow::ImGuiWindow(ImGuiContext* context, const char* name)
: DrawListInst(&context->DrawListSharedData) : DrawListInst(&context->DrawListSharedData)
{ {
Name = ImStrdup(name); Name = ImStrdup(name);
ID = ImHash(name, 0); ID = ImHashStr(name, 0);
IDStack.push_back(ID); IDStack.push_back(ID);
Flags = FlagsPreviousFrame = ImGuiWindowFlags_None; Flags = FlagsPreviousFrame = ImGuiWindowFlags_None;
Viewport = NULL; Viewport = NULL;
@ -2549,7 +2591,7 @@ ImGuiWindow::~ImGuiWindow()
ImGuiID ImGuiWindow::GetID(const char* str, const char* str_end) ImGuiID ImGuiWindow::GetID(const char* str, const char* str_end)
{ {
ImGuiID seed = IDStack.back(); ImGuiID seed = IDStack.back();
ImGuiID id = ImHash(str, str_end ? (int)(str_end - str) : 0, seed); ImGuiID id = ImHashStr(str, str_end ? (str_end - str) : 0, seed);
ImGui::KeepAliveID(id); ImGui::KeepAliveID(id);
return id; return id;
} }
@ -2557,7 +2599,7 @@ ImGuiID ImGuiWindow::GetID(const char* str, const char* str_end)
ImGuiID ImGuiWindow::GetID(const void* ptr) ImGuiID ImGuiWindow::GetID(const void* ptr)
{ {
ImGuiID seed = IDStack.back(); ImGuiID seed = IDStack.back();
ImGuiID id = ImHash(&ptr, sizeof(void*), seed); ImGuiID id = ImHashData(&ptr, sizeof(void*), seed);
ImGui::KeepAliveID(id); ImGui::KeepAliveID(id);
return id; return id;
} }
@ -2565,13 +2607,13 @@ ImGuiID ImGuiWindow::GetID(const void* ptr)
ImGuiID ImGuiWindow::GetIDNoKeepAlive(const char* str, const char* str_end) ImGuiID ImGuiWindow::GetIDNoKeepAlive(const char* str, const char* str_end)
{ {
ImGuiID seed = IDStack.back(); ImGuiID seed = IDStack.back();
return ImHash(str, str_end ? (int)(str_end - str) : 0, seed); return ImHashStr(str, str_end ? (str_end - str) : 0, seed);
} }
ImGuiID ImGuiWindow::GetIDNoKeepAlive(const void* ptr) ImGuiID ImGuiWindow::GetIDNoKeepAlive(const void* ptr)
{ {
ImGuiID seed = IDStack.back(); ImGuiID seed = IDStack.back();
return ImHash(&ptr, sizeof(void*), seed); return ImHashData(&ptr, sizeof(void*), seed);
} }
// This is only used in rare/specific situations to manufacture an ID out of nowhere. // This is only used in rare/specific situations to manufacture an ID out of nowhere.
@ -2579,7 +2621,7 @@ ImGuiID ImGuiWindow::GetIDFromRectangle(const ImRect& r_abs)
{ {
ImGuiID seed = IDStack.back(); ImGuiID seed = IDStack.back();
const int r_rel[4] = { (int)(r_abs.Min.x - Pos.x), (int)(r_abs.Min.y - Pos.y), (int)(r_abs.Max.x - Pos.x), (int)(r_abs.Max.y - Pos.y) }; const int r_rel[4] = { (int)(r_abs.Min.x - Pos.x), (int)(r_abs.Min.y - Pos.y), (int)(r_abs.Max.x - Pos.x), (int)(r_abs.Max.y - Pos.y) };
ImGuiID id = ImHash(&r_rel, sizeof(r_rel), seed); ImGuiID id = ImHashData(&r_rel, sizeof(r_rel), seed);
ImGui::KeepAliveID(id); ImGui::KeepAliveID(id);
return id; return id;
} }
@ -3636,7 +3678,7 @@ void ImGui::Initialize(ImGuiContext* context)
// Add .ini handle for ImGuiWindow type // Add .ini handle for ImGuiWindow type
ImGuiSettingsHandler ini_handler; ImGuiSettingsHandler ini_handler;
ini_handler.TypeName = "Window"; ini_handler.TypeName = "Window";
ini_handler.TypeHash = ImHash("Window", 0, 0); ini_handler.TypeHash = ImHashStr("Window", 0);
ini_handler.ReadOpenFn = SettingsHandlerWindow_ReadOpen; ini_handler.ReadOpenFn = SettingsHandlerWindow_ReadOpen;
ini_handler.ReadLineFn = SettingsHandlerWindow_ReadLine; ini_handler.ReadLineFn = SettingsHandlerWindow_ReadLine;
ini_handler.WriteAllFn = SettingsHandlerWindow_WriteAll; ini_handler.WriteAllFn = SettingsHandlerWindow_WriteAll;
@ -3891,7 +3933,11 @@ void ImGui::EndFrame()
IM_ASSERT(g.FrameScopeActive && "Forgot to call ImGui::NewFrame()?"); IM_ASSERT(g.FrameScopeActive && "Forgot to call ImGui::NewFrame()?");
// Notify OS when our Input Method Editor cursor has moved (e.g. CJK inputs using Microsoft IME) // Notify OS when our Input Method Editor cursor has moved (e.g. CJK inputs using Microsoft IME)
<<<<<<< HEAD
if (g.PlatformIO.Platform_SetImeInputPos && ImLengthSqr(g.PlatformImePos - g.PlatformImeLastPos) > 0.0001f && g.PlatformImePosViewport && g.PlatformImePosViewport->PlatformWindowCreated) if (g.PlatformIO.Platform_SetImeInputPos && ImLengthSqr(g.PlatformImePos - g.PlatformImeLastPos) > 0.0001f && g.PlatformImePosViewport && g.PlatformImePosViewport->PlatformWindowCreated)
=======
if (g.IO.ImeSetInputScreenPosFn && (g.PlatformImeLastPos.x == FLT_MAX || ImLengthSqr(g.PlatformImeLastPos - g.PlatformImePos) > 0.0001f))
>>>>>>> master
{ {
g.PlatformIO.Platform_SetImeInputPos(g.PlatformImePosViewport, g.PlatformImePos); g.PlatformIO.Platform_SetImeInputPos(g.PlatformImePosViewport, g.PlatformImePos);
g.PlatformImeLastPos = g.PlatformImePos; g.PlatformImeLastPos = g.PlatformImePos;
@ -4604,7 +4650,7 @@ ImGuiWindow* ImGui::FindWindowByID(ImGuiID id)
ImGuiWindow* ImGui::FindWindowByName(const char* name) ImGuiWindow* ImGui::FindWindowByName(const char* name)
{ {
ImGuiID id = ImHash(name, 0); ImGuiID id = ImHashStr(name, 0);
return FindWindowByID(id); return FindWindowByID(id);
} }
@ -6727,71 +6773,74 @@ void ImGui::SetItemDefaultFocus()
void ImGui::SetStateStorage(ImGuiStorage* tree) void ImGui::SetStateStorage(ImGuiStorage* tree)
{ {
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = GImGui->CurrentWindow;
window->DC.StateStorage = tree ? tree : &window->StateStorage; window->DC.StateStorage = tree ? tree : &window->StateStorage;
} }
ImGuiStorage* ImGui::GetStateStorage() ImGuiStorage* ImGui::GetStateStorage()
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;
return window->DC.StateStorage; return window->DC.StateStorage;
} }
void ImGui::PushID(const char* str_id) void ImGui::PushID(const char* str_id)
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;
window->IDStack.push_back(window->GetIDNoKeepAlive(str_id)); window->IDStack.push_back(window->GetIDNoKeepAlive(str_id));
} }
void ImGui::PushID(const char* str_id_begin, const char* str_id_end) void ImGui::PushID(const char* str_id_begin, const char* str_id_end)
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;
window->IDStack.push_back(window->GetIDNoKeepAlive(str_id_begin, str_id_end)); window->IDStack.push_back(window->GetIDNoKeepAlive(str_id_begin, str_id_end));
} }
void ImGui::PushID(const void* ptr_id) void ImGui::PushID(const void* ptr_id)
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;
window->IDStack.push_back(window->GetIDNoKeepAlive(ptr_id)); window->IDStack.push_back(window->GetIDNoKeepAlive(ptr_id));
} }
void ImGui::PushID(int int_id) void ImGui::PushID(int int_id)
{ {
const void* ptr_id = (void*)(intptr_t)int_id; const void* ptr_id = (void*)(intptr_t)int_id;
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;
window->IDStack.push_back(window->GetIDNoKeepAlive(ptr_id)); window->IDStack.push_back(window->GetIDNoKeepAlive(ptr_id));
} }
void ImGui::PopID() void ImGui::PopID()
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;
window->IDStack.pop_back(); window->IDStack.pop_back();
} }
ImGuiID ImGui::GetID(const char* str_id) ImGuiID ImGui::GetID(const char* str_id)
{ {
return GImGui->CurrentWindow->GetID(str_id); ImGuiWindow* window = GImGui->CurrentWindow;
return window->GetID(str_id);
} }
ImGuiID ImGui::GetID(const char* str_id_begin, const char* str_id_end) ImGuiID ImGui::GetID(const char* str_id_begin, const char* str_id_end)
{ {
return GImGui->CurrentWindow->GetID(str_id_begin, str_id_end); ImGuiWindow* window = GImGui->CurrentWindow;
return window->GetID(str_id_begin, str_id_end);
} }
ImGuiID ImGui::GetID(const void* ptr_id) ImGuiID ImGui::GetID(const void* ptr_id)
{ {
return GImGui->CurrentWindow->GetID(ptr_id); ImGuiWindow* window = GImGui->CurrentWindow;
return window->GetID(ptr_id);
} }
bool ImGui::IsRectVisible(const ImVec2& size) bool ImGui::IsRectVisible(const ImVec2& size)
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;;
return window->ClipRect.Overlaps(ImRect(window->DC.CursorPos, window->DC.CursorPos + size)); return window->ClipRect.Overlaps(ImRect(window->DC.CursorPos, window->DC.CursorPos + size));
} }
bool ImGui::IsRectVisible(const ImVec2& rect_min, const ImVec2& rect_max) bool ImGui::IsRectVisible(const ImVec2& rect_min, const ImVec2& rect_max)
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;;
return window->ClipRect.Overlaps(ImRect(rect_min, rect_max)); return window->ClipRect.Overlaps(ImRect(rect_min, rect_max));
} }
@ -7920,7 +7969,7 @@ void ImGui::UpdatePlatformWindows()
{ {
const char* title_begin = window_for_title->Name; const char* title_begin = window_for_title->Name;
char* title_end = (char*)(intptr_t)FindRenderedTextEnd(title_begin); char* title_end = (char*)(intptr_t)FindRenderedTextEnd(title_begin);
const ImGuiID title_hash = ImHash(title_begin, (int)(title_end - title_begin)); const ImGuiID title_hash = ImHashStr(title_begin, title_end - title_begin);
if (viewport->LastNameHash != title_hash) if (viewport->LastNameHash != title_hash)
{ {
char title_end_backup_c = *title_end; char title_end_backup_c = *title_end;
@ -9501,7 +9550,7 @@ bool ImGui::BeginDragDropSource(ImGuiDragDropFlags flags)
else else
{ {
window = NULL; window = NULL;
source_id = ImHash("#SourceExtern", 0); source_id = ImHashStr("#SourceExtern", 0);
source_drag_active = true; source_drag_active = true;
} }
@ -9916,7 +9965,7 @@ ImGuiWindowSettings* ImGui::CreateNewWindowSettings(const char* name)
g.SettingsWindows.push_back(ImGuiWindowSettings()); g.SettingsWindows.push_back(ImGuiWindowSettings());
ImGuiWindowSettings* settings = &g.SettingsWindows.back(); ImGuiWindowSettings* settings = &g.SettingsWindows.back();
settings->Name = ImStrdup(name); settings->Name = ImStrdup(name);
settings->ID = ImHash(name, 0); settings->ID = ImHashStr(name, 0);
return settings; return settings;
} }
@ -9942,7 +9991,7 @@ void ImGui::LoadIniSettingsFromDisk(const char* ini_filename)
ImGuiSettingsHandler* ImGui::FindSettingsHandler(const char* type_name) ImGuiSettingsHandler* ImGui::FindSettingsHandler(const char* type_name)
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
const ImGuiID type_hash = ImHash(type_name, 0, 0); const ImGuiID type_hash = ImHashStr(type_name, 0);
for (int handler_n = 0; handler_n < g.SettingsHandlers.Size; handler_n++) for (int handler_n = 0; handler_n < g.SettingsHandlers.Size; handler_n++)
if (g.SettingsHandlers[handler_n].TypeHash == type_hash) if (g.SettingsHandlers[handler_n].TypeHash == type_hash)
return &g.SettingsHandlers[handler_n]; return &g.SettingsHandlers[handler_n];
@ -10046,7 +10095,7 @@ const char* ImGui::SaveIniSettingsToMemory(size_t* out_size)
static void* SettingsHandlerWindow_ReadOpen(ImGuiContext*, ImGuiSettingsHandler*, const char* name) static void* SettingsHandlerWindow_ReadOpen(ImGuiContext*, ImGuiSettingsHandler*, const char* name)
{ {
ImGuiWindowSettings* settings = ImGui::FindWindowSettings(ImHash(name, 0)); ImGuiWindowSettings* settings = ImGui::FindWindowSettings(ImHashStr(name, 0));
if (!settings) if (!settings)
settings = ImGui::CreateNewWindowSettings(name); settings = ImGui::CreateNewWindowSettings(name);
return (void*)settings; return (void*)settings;

10
imgui.h
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@ -362,13 +362,14 @@ namespace ImGui
// ID stack/scopes // ID stack/scopes
// - Read the FAQ for more details about how ID are handled in dear imgui. If you are creating widgets in a loop you most // - Read the FAQ for more details about how ID are handled in dear imgui. If you are creating widgets in a loop you most
// likely want to push a unique identifier (e.g. object pointer, loop index) to uniquely differentiate them. // likely want to push a unique identifier (e.g. object pointer, loop index) to uniquely differentiate them.
// - The resulting ID are hashes of the entire stack.
// - You can also use the "Label##foobar" syntax within widget label to distinguish them from each others. // - You can also use the "Label##foobar" syntax within widget label to distinguish them from each others.
// - In this header file we use the "label"/"name" terminology to denote a string that will be displayed and used as an ID, // - In this header file we use the "label"/"name" terminology to denote a string that will be displayed and used as an ID,
// whereas "str_id" denote a string that is only used as an ID and not normally displayed. // whereas "str_id" denote a string that is only used as an ID and not normally displayed.
IMGUI_API void PushID(const char* str_id); // push string identifier into the ID stack. IDs == hash of the entire stack! IMGUI_API void PushID(const char* str_id); // push string into the ID stack (will hash string).
IMGUI_API void PushID(const char* str_id_begin, const char* str_id_end); IMGUI_API void PushID(const char* str_id_begin, const char* str_id_end); // push string into the ID stack (will hash string).
IMGUI_API void PushID(const void* ptr_id); // push pointer into the ID stack. IMGUI_API void PushID(const void* ptr_id); // push pointer into the ID stack (will hash pointer).
IMGUI_API void PushID(int int_id); // push integer into the ID stack. IMGUI_API void PushID(int int_id); // push integer into the ID stack (will hash integer).
IMGUI_API void PopID(); // pop from the ID stack. IMGUI_API void PopID(); // pop from the ID stack.
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); // 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 char* str_id_begin, const char* str_id_end);
@ -1632,6 +1633,7 @@ struct ImGuiTextBuffer
void clear() { Buf.clear(); } void clear() { Buf.clear(); }
void reserve(int capacity) { Buf.reserve(capacity); } void reserve(int capacity) { Buf.reserve(capacity); }
const char* c_str() const { return Buf.Data ? Buf.Data : EmptyString; } const char* c_str() const { return Buf.Data ? Buf.Data : EmptyString; }
IMGUI_API void append(const char* str, const char* str_end = NULL);
IMGUI_API void appendf(const char* fmt, ...) IM_FMTARGS(2); IMGUI_API void appendf(const char* fmt, ...) IM_FMTARGS(2);
IMGUI_API void appendfv(const char* fmt, va_list args) IM_FMTLIST(2); IMGUI_API void appendfv(const char* fmt, va_list args) IM_FMTLIST(2);
}; };

10
imgui_internal.h
Unescape Escape View File

@ -148,7 +148,8 @@ IMGUI_API int ImTextCountUtf8BytesFromChar(const char* in_text, const
IMGUI_API int ImTextCountUtf8BytesFromStr(const ImWchar* in_text, const ImWchar* in_text_end); // return number of bytes to express string in UTF-8 IMGUI_API int ImTextCountUtf8BytesFromStr(const ImWchar* in_text, const ImWchar* in_text_end); // return number of bytes to express string in UTF-8
// Helpers: Misc // Helpers: Misc
IMGUI_API ImU32 ImHash(const void* data, int data_size, ImU32 seed = 0); // Pass data_size==0 for zero-terminated strings IMGUI_API ImU32 ImHashData(const void* data, size_t data_size, ImU32 seed = 0);
IMGUI_API ImU32 ImHashStr(const char* data, size_t data_size, ImU32 seed = 0);
IMGUI_API void* ImFileLoadToMemory(const char* filename, const char* file_open_mode, size_t* out_file_size = NULL, int padding_bytes = 0); IMGUI_API void* ImFileLoadToMemory(const char* filename, const char* file_open_mode, size_t* out_file_size = NULL, int padding_bytes = 0);
IMGUI_API FILE* ImFileOpen(const char* filename, const char* file_open_mode); IMGUI_API FILE* ImFileOpen(const char* filename, const char* file_open_mode);
static inline bool ImCharIsBlankA(char c) { return c == ' ' || c == '\t'; } static inline bool ImCharIsBlankA(char c) { return c == ' ' || c == '\t'; }
@ -156,6 +157,9 @@ static inline bool ImCharIsBlankW(unsigned int c) { return c == ' ' || c =
static inline bool ImIsPowerOfTwo(int v) { return v != 0 && (v & (v - 1)) == 0; } static inline bool ImIsPowerOfTwo(int v) { return v != 0 && (v & (v - 1)) == 0; }
static inline int ImUpperPowerOfTwo(int v) { v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; v |= v >> 8; v |= v >> 16; v++; return v; } static inline int ImUpperPowerOfTwo(int v) { v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; v |= v >> 8; v |= v >> 16; v++; return v; }
#define ImQsort qsort #define ImQsort qsort
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
static inline ImU32 ImHash(const void* data, int size, ImU32 seed = 0) { return size ? ImHashData(data, (size_t)size, seed) : ImHashStr((const char*)data, 0, seed); } // [moved to ImHashStr/ImHashData in 1.68]
#endif
// Helpers: Geometry // Helpers: Geometry
IMGUI_API ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p); IMGUI_API ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p);
@ -598,7 +602,7 @@ struct ImGuiWindowSettings
struct ImGuiSettingsHandler struct ImGuiSettingsHandler
{ {
const char* TypeName; // Short description stored in .ini file. Disallowed characters: '[' ']' const char* TypeName; // Short description stored in .ini file. Disallowed characters: '[' ']'
ImGuiID TypeHash; // == ImHash(TypeName, 0, 0) ImGuiID TypeHash; // == ImHashStr(TypeName, 0, 0)
void* (*ReadOpenFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, const char* name); // Read: Called when entering into a new ini entry e.g. "[Window][Name]" void* (*ReadOpenFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, const char* name); // Read: Called when entering into a new ini entry e.g. "[Window][Name]"
void (*ReadLineFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, void* entry, const char* line); // Read: Called for every line of text within an ini entry void (*ReadLineFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, void* entry, const char* line); // Read: Called for every line of text within an ini entry
void (*WriteAllFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, ImGuiTextBuffer* out_buf); // Write: Output every entries into 'out_buf' void (*WriteAllFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, ImGuiTextBuffer* out_buf); // Write: Output every entries into 'out_buf'
@ -1162,7 +1166,7 @@ struct IMGUI_API ImGuiWindowTempData
struct IMGUI_API ImGuiWindow struct IMGUI_API ImGuiWindow
{ {
char* Name; char* Name;
ImGuiID ID; // == ImHash(Name) ImGuiID ID; // == ImHashStr(Name)
ImGuiWindowFlags Flags, FlagsPreviousFrame; // See enum ImGuiWindowFlags_ ImGuiWindowFlags Flags, FlagsPreviousFrame; // See enum ImGuiWindowFlags_
ImGuiWindowClass WindowClass; // Advanced users only. Set with SetNextWindowClass() ImGuiWindowClass WindowClass; // Advanced users only. Set with SetNextWindowClass()
ImGuiViewportP* Viewport; // Always set in Begin(), only inactive windows may have a NULL value here ImGuiViewportP* Viewport; // Always set in Begin(), only inactive windows may have a NULL value here

2
imgui_widgets.cpp
Unescape Escape View File

@ -6089,7 +6089,7 @@ static ImU32 ImGui::TabBarCalcTabID(ImGuiTabBar* tab_bar, const char* label)
{ {
if (tab_bar->Flags & ImGuiTabBarFlags_DockNode) if (tab_bar->Flags & ImGuiTabBarFlags_DockNode)
{ {
ImGuiID id = ImHash(label, 0); ImGuiID id = ImHashStr(label, 0);
KeepAliveID(id); KeepAliveID(id);
return id; return id;
} }

2
misc/freetype/imgui_freetype.cpp
Unescape Escape View File

@ -244,10 +244,12 @@ namespace
} }
} }
#ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
#define STBRP_ASSERT(x) IM_ASSERT(x) #define STBRP_ASSERT(x) IM_ASSERT(x)
#define STBRP_STATIC #define STBRP_STATIC
#define STB_RECT_PACK_IMPLEMENTATION #define STB_RECT_PACK_IMPLEMENTATION
#include "imstb_rectpack.h" #include "imstb_rectpack.h"
#endif
struct ImFontBuildSrcGlyphFT struct ImFontBuildSrcGlyphFT
{ {

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