mirror of
https://github.com/Drezil/imgui.git
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Merge branch 'master' into 2015-07-cleanup
Conflicts: imgui.cpp
This commit is contained in:
ocornut
commit
9b19f8c19d
172
imgui.cpp
172
imgui.cpp
@ -393,7 +393,6 @@
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- input text: add ImGuiInputTextFlags_EnterToApply? (off #218)
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- input text multi-line: way to dynamically grow the buffer without forcing the user to initially allocate for worse case (follow up on #200)
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- input text multi-line: line numbers? status bar? (follow up on #200)
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!- input number: large int not reliably supported because of int<>float conversions.
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- input number: optional range min/max for Input*() functions
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- input number: holding [-]/[+] buttons could increase the step speed non-linearly (or user-controlled)
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- input number: use mouse wheel to step up/down
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@ -5474,8 +5473,58 @@ ImGuiID ImGui::GetID(const void* ptr_id)
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return GImGui->CurrentWindow->GetID(ptr_id);
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}
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enum ImGuiDataTypeOp
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{
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ImGuiDataTypeOp_Add,
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ImGuiDataTypeOp_Sub
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};
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static inline void DataTypeFormat(ImGuiDataType data_type, void* data_ptr, const char* display_format, char* buf, int buf_size)
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{
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if (data_type == ImGuiDataType_Int)
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ImFormatString(buf, buf_size, display_format, *(int*)data_ptr);
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else if (data_type == ImGuiDataType_Float)
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ImFormatString(buf, buf_size, display_format, *(float*)data_ptr);
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}
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static inline void DataTypeFormat(ImGuiDataType data_type, void* data_ptr, int decimal_precision, char* buf, int buf_size)
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{
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if (data_type == ImGuiDataType_Int)
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{
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if (decimal_precision < 0)
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ImFormatString(buf, buf_size, "%d", *(int*)data_ptr);
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else
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ImFormatString(buf, buf_size, "%.*d", decimal_precision, *(int*)data_ptr);
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}
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else if (data_type == ImGuiDataType_Float)
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{
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if (decimal_precision < 0)
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ImFormatString(buf, buf_size, "%f", *(float*)data_ptr); // Ideally we'd have a minimum decimal precision of 1 to visually denote that it is a float, while hiding non-significant digits?
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else
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ImFormatString(buf, buf_size, "%.*f", decimal_precision, *(float*)data_ptr);
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}
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}
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static void DataTypeApplyOp(ImGuiDataType data_type, ImGuiDataTypeOp op, void* value1, const void* value2)// Store into value1
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{
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if (data_type == ImGuiDataType_Int)
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{
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if (op == ImGuiDataTypeOp_Add)
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*(int*)value1 = *(int*)value1 + *(const int*)value2;
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else if (op == ImGuiDataTypeOp_Sub)
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*(int*)value1 = *(int*)value1 - *(const int*)value2;
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}
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else if (data_type == ImGuiDataType_Float)
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{
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if (op == ImGuiDataTypeOp_Add)
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*(float*)value1 = *(float*)value1 + *(const float*)value2;
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else if (op == ImGuiDataTypeOp_Sub)
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*(float*)value1 = *(float*)value1 - *(const float*)value2;
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}
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}
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// User can input math operators (e.g. +100) to edit a numerical values.
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static void InputTextApplyArithmeticOp(const char* buf, const char* initial_value_buf, float *v)
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static void DataTypeApplyOpFromText(const char* buf, const char* initial_value_buf, ImGuiDataType data_type, void* data_ptr, const char* scalar_format)
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{
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while (ImCharIsSpace(*buf))
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buf++;
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@ -5496,45 +5545,55 @@ static void InputTextApplyArithmeticOp(const char* buf, const char* initial_valu
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if (!buf[0])
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return;
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float ref_v = *v;
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if (op)
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if (sscanf(initial_value_buf, "%f", &ref_v) < 1)
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return;
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float op_v = 0.0f;
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if (sscanf(buf, "%f", &op_v) < 1)
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return;
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if (op == '+')
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*v = ref_v + op_v; // add (uses "+-" to substract)
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else if (op == '*')
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*v = ref_v * op_v; // multiply
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else if (op == '/')
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if (data_type == ImGuiDataType_Int)
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{
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if (op_v == 0.0f) // divide
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if (!scalar_format)
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scalar_format = "%d";
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int* v = (int*)data_ptr;
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int ref_v = *v;
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if (op && sscanf(initial_value_buf, scalar_format, &ref_v) < 1)
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return;
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*v = ref_v / op_v;
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// Store operand in a float so we can use fractional value for multipliers (*1.1), but constant always parsed as integer so we can fit big integers (e.g. 2000000003) past float precision
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float op_v = 0.0f;
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if (op == '+') { if (sscanf(buf, "%f", &op_v) == 1) *v = (int)(ref_v + op_v); } // Add (use "+-" to subtract)
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else if (op == '*') { if (sscanf(buf, "%f", &op_v) == 1) *v = (int)(ref_v * op_v); } // Multiply
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else if (op == '/') { if (sscanf(buf, "%f", &op_v) == 1 && op_v != 0.0f) *v = (int)(ref_v / op_v); }// Divide
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else { if (sscanf(buf, scalar_format, &ref_v) == 1) *v = ref_v; } // Assign constant
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}
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else if (data_type == ImGuiDataType_Float)
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{
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if (!scalar_format)
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scalar_format = "%f";
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float* v = (float*)data_ptr;
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float ref_v = *v;
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if (op && sscanf(initial_value_buf, scalar_format, &ref_v) < 1)
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return;
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float op_v = 0.0f;
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if (sscanf(buf, scalar_format, &op_v) < 1)
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return;
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if (op == '+') { *v = ref_v + op_v; } // Add (use "+-" to subtract)
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else if (op == '*') { *v = ref_v * op_v; } // Multiply
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else if (op == '/') { if (op_v != 0.0f) *v = ref_v / op_v; } // Divide
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else { *v = op_v; } // Assign constant
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}
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else
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*v = op_v; // Constant
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}
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// Create text input in place of a slider (when CTRL+Clicking on slider)
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bool ImGui::InputFloatReplaceWidget(const ImRect& aabb, const char* label, float* v, ImGuiID id, int decimal_precision)
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bool ImGui::InputScalarAsWidgetReplacement(const ImRect& aabb, const char* label, ImGuiDataType data_type, void* data_ptr, ImGuiID id, int decimal_precision)
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{
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ImGuiState& g = *GImGui;
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ImGuiWindow* window = GetCurrentWindow();
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char text_buf[64];
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ImFormatString(text_buf, IM_ARRAYSIZE(text_buf), "%.*f", decimal_precision, *v);
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// Our replacement widget will override the focus ID (registered previously to allow for a TAB focus to happen)
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SetActiveID(g.ScalarAsInputTextId, window);
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g.HoveredId = 0;
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// Our replacement widget will override the focus ID (registered previously to allow for a TAB focus to happen)
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FocusableItemUnregister(window);
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bool value_changed = InputTextEx(label, text_buf, (int)IM_ARRAYSIZE(text_buf), aabb.GetSize() - g.Style.FramePadding*2.0f, ImGuiInputTextFlags_CharsDecimal | ImGuiInputTextFlags_AutoSelectAll);
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char buf[32];
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DataTypeFormat(data_type, data_ptr, decimal_precision, buf, IM_ARRAYSIZE(buf));
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bool value_changed = InputTextEx(label, buf, IM_ARRAYSIZE(buf), aabb.GetSize() - g.Style.FramePadding*2.0f, ImGuiInputTextFlags_CharsDecimal | ImGuiInputTextFlags_AutoSelectAll);
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if (g.ScalarAsInputTextId == 0)
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{
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// First frame
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@ -5548,7 +5607,7 @@ bool ImGui::InputFloatReplaceWidget(const ImRect& aabb, const char* label, float
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g.ScalarAsInputTextId = 0;
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}
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if (value_changed)
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InputTextApplyArithmeticOp(text_buf, g.InputTextState.InitialText.Data, v);
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DataTypeApplyOpFromText(buf, GImGui->InputTextState.InitialText.begin(), data_type, data_ptr, NULL);
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return value_changed;
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}
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@ -5576,10 +5635,10 @@ inline int ImGui::ParseFormatPrecision(const char* fmt, int default_precision)
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inline float ImGui::RoundScalar(float value, int decimal_precision)
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{
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// Round past decimal precision
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// 0: 1, 1: 0.1, 2: 0.01, etc.
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// So when our value is 1.99999 with a precision of 0.001 we'll end up rounding to 2.0
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// FIXME: Investigate better rounding methods
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float min_step = 1.0f / powf(10.0f, (float)decimal_precision);
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static const float min_steps[10] = { 1.0f, 0.1f, 0.01f, 0.001f, 0.0001f, 0.00001f, 0.000001f, 0.0000001f, 0.00000001f, 0.000000001f };
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float min_step = (decimal_precision >= 0 && decimal_precision < 10) ? min_steps[decimal_precision] : (1.0f / powf(10.0f, (float)decimal_precision));
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bool negative = value < 0.0f;
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value = fabsf(value);
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float remainder = fmodf(value, min_step);
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@ -5767,7 +5826,7 @@ bool ImGui::SliderFloat(const char* label, float* v, float v_min, float v_max, c
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}
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}
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if (start_text_input || (g.ActiveId == id && g.ScalarAsInputTextId == id))
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return InputFloatReplaceWidget(frame_bb, label, v, id, decimal_precision);
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return InputScalarAsWidgetReplacement(frame_bb, label, ImGuiDataType_Float, v, id, decimal_precision);
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ItemSize(total_bb, style.FramePadding.y);
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@ -6067,11 +6126,10 @@ bool ImGui::DragFloat(const char* label, float* v, float v_speed, float v_min, f
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}
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}
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if (start_text_input || (g.ActiveId == id && g.ScalarAsInputTextId == id))
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return InputFloatReplaceWidget(frame_bb, label, v, id, decimal_precision);
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ItemSize(total_bb, style.FramePadding.y);
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return InputScalarAsWidgetReplacement(frame_bb, label, ImGuiDataType_Float, v, id, decimal_precision);
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// Actual drag behavior
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ItemSize(total_bb, style.FramePadding.y);
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const bool value_changed = DragBehavior(frame_bb, id, v, v_speed, v_min, v_max, decimal_precision, power);
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// Display value using user-provided display format so user can add prefix/suffix/decorations to the value.
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@ -7243,7 +7301,8 @@ bool ImGui::InputTextMultiline(const char* label, char* buf, size_t buf_size, co
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return ret;
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}
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bool ImGui::InputFloat(const char* label, float *v, float step, float step_fast, int decimal_precision, ImGuiInputTextFlags extra_flags)
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// NB: scalar_format here must be a simple "%xx" format string with no prefix/suffix (unlike the Drag/Slider functions "display_format" argument)
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bool ImGui::InputScalarEx(const char* label, ImGuiDataType data_type, void* data_ptr, void* step_ptr, void* step_fast_ptr, const char* scalar_format, ImGuiInputTextFlags extra_flags)
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{
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ImGuiWindow* window = GetCurrentWindow();
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if (window->SkipItems)
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@ -7252,42 +7311,42 @@ bool ImGui::InputFloat(const char* label, float *v, float step, float step_fast,
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ImGuiState& g = *GImGui;
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const ImGuiStyle& style = g.Style;
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const float w = ImGui::CalcItemWidth();
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const ImVec2 label_size = CalcTextSize(label, NULL, true);
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const ImVec2 label_size = ImGui::CalcTextSize(label, NULL, true);
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const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y) + style.FramePadding*2.0f);
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ImGui::BeginGroup();
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ImGui::PushID(label);
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const ImVec2 button_sz = ImVec2(g.FontSize, g.FontSize) + style.FramePadding * 2;
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if (step > 0.0f)
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if (step_ptr)
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ImGui::PushItemWidth(ImMax(1.0f, w - (button_sz.x + style.ItemInnerSpacing.x)*2));
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char buf[64];
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if (decimal_precision < 0)
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ImFormatString(buf, IM_ARRAYSIZE(buf), "%f", *v); // Ideally we'd have a minimum decimal precision of 1 to visually denote that it is a float, while hiding non-significant digits?
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else
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ImFormatString(buf, IM_ARRAYSIZE(buf), "%.*f", decimal_precision, *v);
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DataTypeFormat(data_type, data_ptr, scalar_format, buf, IM_ARRAYSIZE(buf));
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bool value_changed = false;
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const ImGuiInputTextFlags flags = extra_flags | (ImGuiInputTextFlags_CharsDecimal|ImGuiInputTextFlags_AutoSelectAll);
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if (ImGui::InputText("", buf, IM_ARRAYSIZE(buf), flags))
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if (!(extra_flags & ImGuiInputTextFlags_CharsHexadecimal))
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extra_flags |= ImGuiInputTextFlags_CharsDecimal;
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extra_flags |= ImGuiInputTextFlags_AutoSelectAll;
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if (ImGui::InputText("", buf, IM_ARRAYSIZE(buf), extra_flags))
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{
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InputTextApplyArithmeticOp(buf, g.InputTextState.InitialText.Data, v);
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DataTypeApplyOpFromText(buf, GImGui->InputTextState.InitialText.begin(), data_type, data_ptr, scalar_format);
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value_changed = true;
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}
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// Step buttons
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if (step > 0.0f)
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if (step_ptr)
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{
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ImGui::PopItemWidth();
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ImGui::SameLine(0, style.ItemInnerSpacing.x);
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if (ButtonEx("-", button_sz, ImGuiButtonFlags_Repeat | ImGuiButtonFlags_DontClosePopups))
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{
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*v -= g.IO.KeyCtrl && step_fast > 0.0f ? step_fast : step;
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DataTypeApplyOp(data_type, ImGuiDataTypeOp_Sub, data_ptr, g.IO.KeyCtrl && step_fast_ptr ? step_fast_ptr : step_ptr);
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value_changed = true;
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}
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ImGui::SameLine(0, style.ItemInnerSpacing.x);
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if (ButtonEx("+", button_sz, ImGuiButtonFlags_Repeat | ImGuiButtonFlags_DontClosePopups))
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{
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*v += g.IO.KeyCtrl && step_fast > 0.0f ? step_fast : step;
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DataTypeApplyOp(data_type, ImGuiDataTypeOp_Add, data_ptr, g.IO.KeyCtrl && step_fast_ptr ? step_fast_ptr : step_ptr);
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value_changed = true;
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}
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}
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@ -7304,13 +7363,20 @@ bool ImGui::InputFloat(const char* label, float *v, float step, float step_fast,
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return value_changed;
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}
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bool ImGui::InputInt(const char* label, int *v, int step, int step_fast, ImGuiInputTextFlags extra_flags)
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bool ImGui::InputFloat(const char* label, float* v, float step, float step_fast, int decimal_precision, ImGuiInputTextFlags extra_flags)
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{
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float f = (float)*v;
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const bool value_changed = ImGui::InputFloat(label, &f, (float)step, (float)step_fast, 0, extra_flags);
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if (value_changed)
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*v = (int)f;
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return value_changed;
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char display_format[16];
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if (decimal_precision)
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strcpy(display_format, "%f"); // Ideally we'd have a minimum decimal precision of 1 to visually denote that this is a float, while hiding non-significant digits? %f doesn't have a minimum of 1
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else
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ImFormatString(display_format, 16, "%%%df", decimal_precision);
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return InputScalarEx(label, ImGuiDataType_Float, (void*)v, (void*)(step>0.0f ? &step : NULL), (void*)(step_fast>0.0f ? &step_fast : NULL), display_format, extra_flags);
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}
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bool ImGui::InputInt(const char* label, int* v, int step, int step_fast, ImGuiInputTextFlags extra_flags)
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{
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const char* scalar_format = (extra_flags & ImGuiInputTextFlags_CharsHexadecimal) ? "%08X" : "%d";
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return InputScalarEx(label, ImGuiDataType_Int, (void*)v, (void*)(step>0.0f ? &step : NULL), (void*)(step_fast>0.0f ? &step_fast : NULL), scalar_format, extra_flags);
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}
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bool ImGui::InputFloatN(const char* label, float* v, int components, int decimal_precision, ImGuiInputTextFlags extra_flags)
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@ -162,6 +162,12 @@ enum ImGuiPlotType
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ImGuiPlotType_Histogram
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};
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enum ImGuiDataType
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{
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ImGuiDataType_Int,
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ImGuiDataType_Float
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};
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// 2D axis aligned bounding-box
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// NB: we can't rely on ImVec2 math operators being available here
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struct ImRect
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@ -646,7 +652,8 @@ namespace ImGui
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IMGUI_API bool InputTextEx(const char* label, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiTextEditCallback callback = NULL, void* user_data = NULL);
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IMGUI_API bool InputFloatN(const char* label, float* v, int components, int decimal_precision, ImGuiInputTextFlags extra_flags);
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IMGUI_API bool InputIntN(const char* label, int* v, int components, ImGuiInputTextFlags extra_flags);
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IMGUI_API bool InputFloatReplaceWidget(const ImRect& aabb, const char* label, float* v, ImGuiID id, int decimal_precision);
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IMGUI_API bool InputScalarEx(const char* label, ImGuiDataType data_type, void* data_ptr, void* step_ptr, void* step_fast_ptr, const char* scalar_format, ImGuiInputTextFlags extra_flags);
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IMGUI_API bool InputScalarAsWidgetReplacement(const ImRect& aabb, const char* label, ImGuiDataType data_type, void* data_ptr, ImGuiID id, int decimal_precision);
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IMGUI_API void PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 graph_size);
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