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https://github.com/Drezil/imgui.git
synced 2025-11-03 22:51:06 +01:00
DragScalar, InputScalar, SliderScalar: Added support for u8/s8/u16/s16 data types. We are reusing function instances for larger types to reduce code size. (#643, #320, #708, #1011)
This commit is contained in:
omar
@@ -74,22 +74,30 @@ Index of this file:
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//-------------------------------------------------------------------------
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// Those MIN/MAX values are not define because we need to point to them
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static const ImS32 IM_S32_MIN = INT_MIN; // (-2147483647 - 1), (0x80000000);
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static const ImS32 IM_S32_MAX = INT_MAX; // (2147483647), (0x7FFFFFFF)
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static const ImU32 IM_U32_MIN = 0;
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static const ImU32 IM_U32_MAX = UINT_MAX; // (0xFFFFFFFF)
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static const char IM_S8_MIN = -128;
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static const char IM_S8_MAX = 127;
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static const unsigned char IM_U8_MIN = 0;
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static const unsigned char IM_U8_MAX = 0xFF;
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static const short IM_S16_MIN = -32768;
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static const short IM_S16_MAX = 32767;
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static const unsigned short IM_U16_MIN = 0;
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static const unsigned short IM_U16_MAX = 0xFFFF;
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static const ImS32 IM_S32_MIN = INT_MIN; // (-2147483647 - 1), (0x80000000);
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static const ImS32 IM_S32_MAX = INT_MAX; // (2147483647), (0x7FFFFFFF)
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static const ImU32 IM_U32_MIN = 0;
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static const ImU32 IM_U32_MAX = UINT_MAX; // (0xFFFFFFFF)
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#ifdef LLONG_MIN
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static const ImS64 IM_S64_MIN = LLONG_MIN; // (-9223372036854775807ll - 1ll);
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static const ImS64 IM_S64_MAX = LLONG_MAX; // (9223372036854775807ll);
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static const ImS64 IM_S64_MIN = LLONG_MIN; // (-9223372036854775807ll - 1ll);
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static const ImS64 IM_S64_MAX = LLONG_MAX; // (9223372036854775807ll);
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#else
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static const ImS64 IM_S64_MIN = -9223372036854775807LL - 1;
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static const ImS64 IM_S64_MAX = 9223372036854775807LL;
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static const ImS64 IM_S64_MIN = -9223372036854775807LL - 1;
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static const ImS64 IM_S64_MAX = 9223372036854775807LL;
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#endif
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static const ImU64 IM_U64_MIN = 0;
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static const ImU64 IM_U64_MIN = 0;
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#ifdef ULLONG_MAX
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static const ImU64 IM_U64_MAX = ULLONG_MAX; // (0xFFFFFFFFFFFFFFFFull);
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static const ImU64 IM_U64_MAX = ULLONG_MAX; // (0xFFFFFFFFFFFFFFFFull);
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#else
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static const ImU64 IM_U64_MAX = (2ULL * 9223372036854775807LL + 1);
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static const ImU64 IM_U64_MAX = (2ULL * 9223372036854775807LL + 1);
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#endif
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//-------------------------------------------------------------------------
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@@ -1495,17 +1503,21 @@ struct ImGuiDataTypeInfo
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static const ImGuiDataTypeInfo GDataTypeInfo[] =
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{
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{ sizeof(int), "%d", "%d" },
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{ sizeof(unsigned int), "%u", "%u" },
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{ sizeof(char), "%d", "%d" }, // ImGuiDataType_S8
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{ sizeof(unsigned char), "%u", "%u" },
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{ sizeof(short), "%d", "%d" }, // ImGuiDataType_S16
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{ sizeof(unsigned short), "%u", "%u" },
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{ sizeof(int), "%d", "%d" }, // ImGuiDataType_S32
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{ sizeof(unsigned int), "%u", "%u" },
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#ifdef _MSC_VER
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{ sizeof(ImS64), "%I64d","%I64d" },
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{ sizeof(ImU64), "%I64u","%I64u" },
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{ sizeof(ImS64), "%I64d","%I64d" }, // ImGuiDataType_S64
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{ sizeof(ImU64), "%I64u","%I64u" },
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#else
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{ sizeof(ImS64), "%lld", "%lld" },
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{ sizeof(ImU64), "%llu", "%llu" },
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{ sizeof(ImS64), "%lld", "%lld" }, // ImGuiDataType_S64
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{ sizeof(ImU64), "%llu", "%llu" },
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#endif
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{ sizeof(float), "%f", "%f" }, // float are promoted to double in va_arg
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{ sizeof(double), "%f", "%lf" },
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{ sizeof(float), "%f", "%f" }, // ImGuiDataType_Float (float are promoted to double in va_arg)
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{ sizeof(double), "%f", "%lf" }, // ImGuiDataType_Double
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};
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IM_STATIC_ASSERT(IM_ARRAYSIZE(GDataTypeInfo) == ImGuiDataType_COUNT);
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@@ -1535,14 +1547,23 @@ static const char* PatchFormatStringFloatToInt(const char* fmt)
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static inline int DataTypeFormatString(char* buf, int buf_size, ImGuiDataType data_type, const void* data_ptr, const char* format)
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{
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if (data_type == ImGuiDataType_S32 || data_type == ImGuiDataType_U32) // Signedness doesn't matter when pushing the argument
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// Signedness doesn't matter when pushing integer arguments
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if (data_type == ImGuiDataType_S32 || data_type == ImGuiDataType_U32)
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return ImFormatString(buf, buf_size, format, *(const ImU32*)data_ptr);
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if (data_type == ImGuiDataType_S64 || data_type == ImGuiDataType_U64) // Signedness doesn't matter when pushing the argument
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if (data_type == ImGuiDataType_S64 || data_type == ImGuiDataType_U64)
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return ImFormatString(buf, buf_size, format, *(const ImU64*)data_ptr);
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if (data_type == ImGuiDataType_Float)
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return ImFormatString(buf, buf_size, format, *(const float*)data_ptr);
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if (data_type == ImGuiDataType_Double)
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return ImFormatString(buf, buf_size, format, *(const double*)data_ptr);
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if (data_type == ImGuiDataType_S8)
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return ImFormatString(buf, buf_size, format, *(const ImS8*)data_ptr);
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if (data_type == ImGuiDataType_U8)
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return ImFormatString(buf, buf_size, format, *(const ImU8*)data_ptr);
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if (data_type == ImGuiDataType_S16)
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return ImFormatString(buf, buf_size, format, *(const ImS16*)data_ptr);
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if (data_type == ImGuiDataType_U16)
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return ImFormatString(buf, buf_size, format, *(const ImU16*)data_ptr);
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IM_ASSERT(0);
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return 0;
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}
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@@ -1553,13 +1574,29 @@ static void DataTypeApplyOp(ImGuiDataType data_type, int op, void* output, void*
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IM_ASSERT(op == '+' || op == '-');
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switch (data_type)
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{
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case ImGuiDataType_S8:
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if (op == '+') *(ImS8*)output = *(const ImS8*)arg1 + *(const ImS8*)arg2;
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else if (op == '-') *(ImS8*)output = *(const ImS8*)arg1 - *(const ImS8*)arg2;
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return;
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case ImGuiDataType_U8:
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if (op == '+') *(ImU8*)output = *(const ImU8*)arg1 + *(const ImU8*)arg2;
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else if (op == '-') *(ImU8*)output = *(const ImU8*)arg1 - *(const ImU8*)arg2;
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return;
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case ImGuiDataType_S16:
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if (op == '+') *(ImS16*)output = *(const ImS16*)arg1 + *(const ImS16*)arg2;
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else if (op == '-') *(ImS16*)output = *(const ImS16*)arg1 - *(const ImS16*)arg2;
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return;
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case ImGuiDataType_U16:
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if (op == '+') *(ImU16*)output = *(const ImU16*)arg1 + *(const ImU16*)arg2;
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else if (op == '-') *(ImU16*)output = *(const ImU16*)arg1 - *(const ImU16*)arg2;
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return;
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case ImGuiDataType_S32:
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if (op == '+') *(int*)output = *(const int*)arg1 + *(const int*)arg2;
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else if (op == '-') *(int*)output = *(const int*)arg1 - *(const int*)arg2;
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if (op == '+') *(ImS32*)output = *(const ImS32*)arg1 + *(const ImS32*)arg2;
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else if (op == '-') *(ImS32*)output = *(const ImS32*)arg1 - *(const ImS32*)arg2;
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return;
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case ImGuiDataType_U32:
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if (op == '+') *(unsigned int*)output = *(const unsigned int*)arg1 + *(const ImU32*)arg2;
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else if (op == '-') *(unsigned int*)output = *(const unsigned int*)arg1 - *(const ImU32*)arg2;
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if (op == '+') *(ImU32*)output = *(const ImU32*)arg1 + *(const ImU32*)arg2;
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else if (op == '-') *(ImU32*)output = *(const ImU32*)arg1 - *(const ImU32*)arg2;
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return;
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case ImGuiDataType_S64:
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if (op == '+') *(ImS64*)output = *(const ImS64*)arg1 + *(const ImS64*)arg2;
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@@ -1614,6 +1651,7 @@ static bool DataTypeApplyOpFromText(const char* buf, const char* initial_value_b
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if (format == NULL)
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format = GDataTypeInfo[data_type].ScanFmt;
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// FIXME-LEGACY: The aim is to remove those operators and write a proper expression evaluator at some point..
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int arg1i = 0;
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if (data_type == ImGuiDataType_S32)
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{
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@@ -1628,12 +1666,6 @@ static bool DataTypeApplyOpFromText(const char* buf, const char* initial_value_b
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else if (op == '/') { if (sscanf(buf, "%f", &arg1f) && arg1f != 0.0f) *v = (int)(arg0i / arg1f); } // Divide
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else { if (sscanf(buf, format, &arg1i) == 1) *v = arg1i; } // Assign constant
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}
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else if (data_type == ImGuiDataType_U32 || data_type == ImGuiDataType_S64 || data_type == ImGuiDataType_U64)
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{
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// Assign constant
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// FIXME: We don't bother handling support for legacy operators since they are a little too crappy. Instead we may implement a proper expression evaluator in the future.
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sscanf(buf, format, data_ptr);
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}
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else if (data_type == ImGuiDataType_Float)
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{
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// For floats we have to ignore format with precision (e.g. "%.2f") because sscanf doesn't take them in
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@@ -1663,6 +1695,29 @@ static bool DataTypeApplyOpFromText(const char* buf, const char* initial_value_b
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else if (op == '/') { if (arg1f != 0.0f) *v = arg0f / arg1f; } // Divide
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else { *v = arg1f; } // Assign constant
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}
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else if (data_type == ImGuiDataType_U32 || data_type == ImGuiDataType_S64 || data_type == ImGuiDataType_U64)
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{
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// All other types assign constant
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// We don't bother handling support for legacy operators since they are a little too crappy. Instead we will later implement a proper expression evaluator in the future.
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sscanf(buf, format, data_ptr);
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}
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else
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{
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// Small types need a 32-bit buffer to receive the result from scanf()
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int v32;
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sscanf(buf, format, &v32);
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if (data_type == ImGuiDataType_S8)
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*(ImS8*)data_ptr = (ImS8)ImClamp(v32, (int)IM_S8_MIN, (int)IM_S8_MAX);
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else if (data_type == ImGuiDataType_U8)
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*(ImU8*)data_ptr = (ImU8)ImClamp(v32, (int)IM_U8_MIN, (int)IM_U8_MAX);
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else if (data_type == ImGuiDataType_S16)
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*(ImS16*)data_ptr = (ImS16)ImClamp(v32, (int)IM_S16_MIN, (int)IM_S16_MAX);
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else if (data_type == ImGuiDataType_U16)
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*(ImU16*)data_ptr = (ImU16)ImClamp(v32, (int)IM_U16_MIN, (int)IM_U16_MAX);
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else
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IM_ASSERT(0);
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}
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return memcmp(data_backup, data_ptr, GDataTypeInfo[data_type].Size) != 0;
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}
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@@ -1845,6 +1900,10 @@ bool ImGui::DragBehavior(ImGuiID id, ImGuiDataType data_type, void* v, float v_s
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switch (data_type)
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{
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case ImGuiDataType_S8: { ImS32 v32 = (ImS32)*(ImS8*)v; bool r = DragBehaviorT<ImS32, ImS32, float >(ImGuiDataType_S32, &v32, v_speed, v_min ? *(const ImS8*) v_min : IM_S8_MIN, v_max ? *(const ImS8*)v_max : IM_S8_MAX, format, power, flags); if (r) *(ImS8*)v = (ImS8)v32; return r; }
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case ImGuiDataType_U8: { ImU32 v32 = (ImU32)*(ImU8*)v; bool r = DragBehaviorT<ImU32, ImS32, float >(ImGuiDataType_U32, &v32, v_speed, v_min ? *(const ImU8*) v_min : IM_U8_MIN, v_max ? *(const ImU8*)v_max : IM_U8_MAX, format, power, flags); if (r) *(ImU8*)v = (ImU8)v32; return r; }
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case ImGuiDataType_S16: { ImS32 v32 = (ImS32)*(ImS16*)v; bool r = DragBehaviorT<ImS32, ImS32, float >(ImGuiDataType_S32, &v32, v_speed, v_min ? *(const ImS16*)v_min : IM_S16_MIN, v_max ? *(const ImS16*)v_max : IM_S16_MAX, format, power, flags); if (r) *(ImS16*)v = (ImS16)v32; return r; }
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case ImGuiDataType_U16: { ImU32 v32 = (ImU32)*(ImU16*)v; bool r = DragBehaviorT<ImU32, ImS32, float >(ImGuiDataType_U32, &v32, v_speed, v_min ? *(const ImU16*)v_min : IM_U16_MIN, v_max ? *(const ImU16*)v_max : IM_U16_MAX, format, power, flags); if (r) *(ImU16*)v = (ImU16)v32; return r; }
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case ImGuiDataType_S32: return DragBehaviorT<ImS32, ImS32, float >(data_type, (ImS32*)v, v_speed, v_min ? *(const ImS32* )v_min : IM_S32_MIN, v_max ? *(const ImS32* )v_max : IM_S32_MAX, format, power, flags);
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case ImGuiDataType_U32: return DragBehaviorT<ImU32, ImS32, float >(data_type, (ImU32*)v, v_speed, v_min ? *(const ImU32* )v_min : IM_U32_MIN, v_max ? *(const ImU32* )v_max : IM_U32_MAX, format, power, flags);
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case ImGuiDataType_S64: return DragBehaviorT<ImS64, ImS64, double>(data_type, (ImS64*)v, v_speed, v_min ? *(const ImS64* )v_min : IM_S64_MIN, v_max ? *(const ImS64* )v_max : IM_S64_MAX, format, power, flags);
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@@ -2269,6 +2328,10 @@ bool ImGui::SliderBehavior(const ImRect& bb, ImGuiID id, ImGuiDataType data_type
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{
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switch (data_type)
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{
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case ImGuiDataType_S8: { ImS32 v32 = (ImS32)*(ImS8*)v; bool r = SliderBehaviorT<ImS32, ImS32, float >(bb, id, ImGuiDataType_S32, &v32, *(const ImS8*)v_min, *(const ImS8*)v_max, format, power, flags, out_grab_bb); if (r) *(ImS8*)v = (ImS8)v32; return r; }
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case ImGuiDataType_U8: { ImU32 v32 = (ImU32)*(ImU8*)v; bool r = SliderBehaviorT<ImU32, ImS32, float >(bb, id, ImGuiDataType_U32, &v32, *(const ImU8*)v_min, *(const ImU8*)v_max, format, power, flags, out_grab_bb); if (r) *(ImU8*)v = (ImU8)v32; return r; }
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case ImGuiDataType_S16: { ImS32 v32 = (ImS32)*(ImS16*)v; bool r = SliderBehaviorT<ImS32, ImS32, float >(bb, id, ImGuiDataType_S32, &v32, *(const ImS16*)v_min, *(const ImS16*)v_max, format, power, flags, out_grab_bb); if (r) *(ImS16*)v = (ImS16)v32; return r; }
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case ImGuiDataType_U16: { ImU32 v32 = (ImU32)*(ImU16*)v; bool r = SliderBehaviorT<ImU32, ImS32, float >(bb, id, ImGuiDataType_U32, &v32, *(const ImU16*)v_min, *(const ImU16*)v_max, format, power, flags, out_grab_bb); if (r) *(ImU16*)v = (ImU16)v32; return r; }
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case ImGuiDataType_S32:
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IM_ASSERT(*(const ImS32*)v_min >= IM_S32_MIN/2 && *(const ImS32*)v_max <= IM_S32_MAX/2);
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return SliderBehaviorT<ImS32, ImS32, float >(bb, id, data_type, (ImS32*)v, *(const ImS32*)v_min, *(const ImS32*)v_max, format, power, flags, out_grab_bb);
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