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Fixed warning and split bit of SliderFloat() into a private ParseFormat() function

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This commit is contained in:
ocornut 2015-03-14 10:30:07 +00:00
parent 8e0f04638d
commit 60591dd7c6
1 changed files with 20 additions and 16 deletions
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36
imgui.cpp
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@ -4714,6 +4714,25 @@ static bool SliderFloatAsInputText(const char* label, float* v, const ImGuiID& i
return value_changed; return value_changed;
} }
// Parse display precision back from the display format string
static void ParseFormat(const char* fmt, int& decimal_precision)
{
while ((fmt = strchr(fmt, '%')) != NULL)
{
fmt++;
if (fmt[0] == '%') { fmt++; continue; } // Ignore "%%"
while (*fmt >= '0' && *fmt <= '9')
fmt++;
if (*fmt == '.')
{
decimal_precision = atoi(fmt + 1);
if (decimal_precision < 0 || decimal_precision > 10)
decimal_precision = 3;
}
break;
}
}
// Use power!=1.0 for logarithmic sliders. // Use power!=1.0 for logarithmic sliders.
// Adjust display_format to decorate the value with a prefix or a suffix. // Adjust display_format to decorate the value with a prefix or a suffix.
// "%.3f" 1.234 // "%.3f" 1.234
@ -4732,23 +4751,8 @@ bool ImGui::SliderFloat(const char* label, float* v, float v_min, float v_max, c
if (!display_format) if (!display_format)
display_format = "%.3f"; display_format = "%.3f";
// Parse display precision back from the display format string
int decimal_precision = 3; int decimal_precision = 3;
for (const char* p = display_format; p = strchr(p, '%'); ) ParseFormat(display_format, decimal_precision);
{
p++;
if (p[0] == '%') { p ++; continue; } // Ignore "%%"
while (*p >= '0' && *p <= '9')
p++;
if (*p == '.')
{
decimal_precision = atoi(p+1);
if (decimal_precision < 0 || decimal_precision > 10)
decimal_precision = 3;
}
break;
}
const ImVec2 label_size = CalcTextSize(label, NULL, true); const ImVec2 label_size = CalcTextSize(label, NULL, true);
const ImGuiAabb frame_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y) + style.FramePadding*2.0f); const ImGuiAabb frame_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y) + style.FramePadding*2.0f);