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Refactor SliderFloat() internals into a helper SliderFloatAsInputText() + some comments

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This commit is contained in:
ocornut 2015-03-13 13:23:03 +00:00
parent 4d78c5c9ab
commit aaca73de15
1 changed files with 38 additions and 23 deletions
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61
imgui.cpp
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@ -4680,8 +4680,45 @@ static void ApplyNumericalTextInput(const char* buf, float *v)
*v = op_v;
}
static bool SliderFloatAsInputText(const char* label, float* v, const ImGuiID& id, int decimal_precision)
{
ImGuiState& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
char text_buf[64];
ImFormatString(text_buf, IM_ARRAYSIZE(text_buf), "%.*f", decimal_precision, *v);
SetActiveId(g.SliderAsInputTextId);
g.HoveredId = 0;
// Our replacement widget will override the focus ID (registered previously to allow for a TAB focus to happen)
window->FocusItemUnregister();
bool value_changed = ImGui::InputText(label, text_buf, IM_ARRAYSIZE(text_buf), ImGuiInputTextFlags_CharsDecimal | ImGuiInputTextFlags_AutoSelectAll);
if (g.SliderAsInputTextId == 0)
{
// First frame
IM_ASSERT(g.ActiveId == id); // InputText ID expected to match the Slider ID (else we'd need to store them both, which is also possible)
g.SliderAsInputTextId = g.ActiveId;
g.HoveredId = id;
}
else if (g.ActiveId != g.SliderAsInputTextId)
{
// Release
g.SliderAsInputTextId = 0;
}
if (value_changed)
{
ApplyNumericalTextInput(text_buf, v);
}
return value_changed;
}
// Use power!=1.0 for logarithmic sliders.
// Adjust display_format to decorate the value with a prefix or a suffix.
// "%.3f" 1.234
// "%5.2f secs" 01.23 secs
// "Gold: %.0f" Gold: 1
bool ImGui::SliderFloat(const char* label, float* v, float v_min, float v_max, const char* display_format, float power)
{
ImGuiState& g = *GImGui;
@ -4777,29 +4814,7 @@ bool ImGui::SliderFloat(const char* label, float* v, float v_min, float v_max, c
bool value_changed = false;
if (start_text_input || (g.ActiveId == id && id == g.SliderAsInputTextId))
{
char text_buf[64];
ImFormatString(text_buf, IM_ARRAYSIZE(text_buf), "%.*f", decimal_precision, *v);
SetActiveId(g.SliderAsInputTextId);
g.HoveredId = 0;
window->FocusItemUnregister(); // Our replacement slider will override the focus ID (registered previously to allow for a TAB focus to happen)
value_changed = ImGui::InputText(label, text_buf, IM_ARRAYSIZE(text_buf), ImGuiInputTextFlags_CharsDecimal | ImGuiInputTextFlags_AutoSelectAll);
if (g.SliderAsInputTextId == 0)
{
// First frame
IM_ASSERT(g.ActiveId == id); // InputText ID expected to match the Slider ID (else we'd need to store them both, which is also possible)
g.SliderAsInputTextId = g.ActiveId;
g.HoveredId = id;
}
else if (g.ActiveId != g.SliderAsInputTextId)
{
// Release
g.SliderAsInputTextId = 0;
}
if (value_changed)
{
ApplyNumericalTextInput(text_buf, v);
}
value_changed = SliderFloatAsInputText(label, v, id, decimal_precision);
return value_changed;
}