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Unicode: full Unicode Support (6 squashed commits) (#2541, #2538)

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fix build for WideCharToMultiByte
[3181ff1e] Full Unicode Support
[6c9e73ac] Fix ImTextCountUtf8BytesFromChar and ImTextCharToUtf8, these APIs assume the input is an unicode code point, not UTF-16
[ba85665b] Add AddInputCharacterUTF16 for windows backend to handle WM_CHAR
[fafdcaf0] Use Windows API to convert UTF-16 for ImFileOpen
[dc7d5925] Use windows API to convert UTF-16 for clipboard
This commit is contained in:
Cloud Wu
2019-05-08 10:10:20 +08:00
committed by ocornut
parent 8c683de33f
commit 6d59653e82
5 changed files with 70 additions and 35 deletions
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14
imgui.h
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@@ -143,7 +143,11 @@ struct ImGuiTextFilter; // Helper to parse and apply text filters (e
typedef void* ImTextureID; // User data to identify a texture (this is whatever to you want it to be! read the FAQ about ImTextureID in imgui.cpp)
#endif
typedef unsigned int ImGuiID; // Unique ID used by widgets (typically hashed from a stack of string)
typedef unsigned short ImWchar; // A single U16 character for keyboard input/display. We encode them as multi bytes UTF-8 when used in strings.
#ifndef ImWchar
#define ImWchar ImWchar16
#endif
typedef unsigned short ImWchar16; // A single U16 character for keyboard input/display. We encode them as multi bytes UTF-8 when used in strings.
typedef int ImWchar32; // A single 32bit character for keyboard input/display, define ImWchar to ImWchar32 to use it. See imconfig.h .
typedef int ImGuiCol; // -> enum ImGuiCol_ // Enum: A color identifier for styling
typedef int ImGuiCond; // -> enum ImGuiCond_ // Enum: A condition for many Set*() functions
typedef int ImGuiDataType; // -> enum ImGuiDataType_ // Enum: A primary data type
@@ -1465,6 +1469,7 @@ struct ImGuiIO
// Functions
IMGUI_API void AddInputCharacter(unsigned int c); // Queue new character input
IMGUI_API void AddInputCharacterUTF16(ImWchar16 c); // Queue new character input from an UTF-16 character, it can be a surrogate
IMGUI_API void AddInputCharactersUTF8(const char* str); // Queue new characters input from an UTF-8 string
IMGUI_API void ClearInputCharacters(); // Clear the text input buffer manually
@@ -1507,6 +1512,7 @@ struct ImGuiIO
float KeysDownDurationPrev[512]; // Previous duration the key has been down
float NavInputsDownDuration[ImGuiNavInput_COUNT];
float NavInputsDownDurationPrev[ImGuiNavInput_COUNT];
ImWchar16 Surrogate; // For AddInputCharacterUTF16
ImVector<ImWchar> InputQueueCharacters; // Queue of _characters_ input (obtained by platform back-end). Fill using AddInputCharacter() helper.
IMGUI_API ImGuiIO();
@@ -2092,7 +2098,11 @@ struct ImFontGlyphRangesBuilder
ImVector<ImU32> UsedChars; // Store 1-bit per Unicode code point (0=unused, 1=used)
ImFontGlyphRangesBuilder() { Clear(); }
inline void Clear() { int size_in_bytes = (IM_UNICODE_CODEPOINT_MAX+1) / 8; UsedChars.resize(size_in_bytes / (int)sizeof(ImU32)); memset(UsedChars.Data, 0, (size_t)size_in_bytes); }
inline void Clear()
{
int MaxUnicode = sizeof(ImWchar) == 2 ? 0x10000 : 0x110000;
UsedChars.resize(MaxUnicode / sizeof(int)); memset(UsedChars.Data, 0, MaxUnicode / sizeof(int));
}
inline bool GetBit(int n) const { int off = (n >> 5); ImU32 mask = 1u << (n & 31); return (UsedChars[off] & mask) != 0; } // Get bit n in the array
inline void SetBit(int n) { int off = (n >> 5); ImU32 mask = 1u << (n & 31); UsedChars[off] |= mask; } // Set bit n in the array
inline void AddChar(ImWchar c) { SetBit(c); } // Add character