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Added SetColorEditOptions(). ColorPicker4: context menu to select picker type and alpha bar. Reorganized flags (again!). (#346)

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This commit is contained in:
omar
2017-08-08 15:54:20 +08:00
parent d952a8d3bf
commit 942cb0e1f2
4 changed files with 151 additions and 71 deletions
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164
imgui.cpp
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@ -2477,7 +2477,6 @@ void ImGui::Shutdown()
for (int i = 0; i < IM_ARRAYSIZE(g.RenderDrawLists); i++)
g.RenderDrawLists[i].clear();
g.OverlayDrawList.ClearFreeMemory();
g.ColorEditModeStorage.Clear();
if (g.PrivateClipboard)
{
ImGui::MemFree(g.PrivateClipboard);
@ -9132,6 +9131,21 @@ void ImGui::RenderColorRectWithAlphaCheckerboard(ImVec2 p_min, ImVec2 p_max, ImU
}
}
void ImGui::SetColorEditOptions(ImGuiColorEditFlags flags)
{
ImGuiContext& g = *GImGui;
if ((flags & ImGuiColorEditFlags__InputsMask) == 0)
flags |= ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__InputsMask;
if ((flags & ImGuiColorEditFlags__DataTypeMask) == 0)
flags |= ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__DataTypeMask;
if ((flags & ImGuiColorEditFlags__PickerMask) == 0)
flags |= ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__PickerMask;
IM_ASSERT(ImIsPowerOfTwo((int)(flags & ImGuiColorEditFlags__InputsMask))); // Check only 1 option is selected
IM_ASSERT(ImIsPowerOfTwo((int)(flags & ImGuiColorEditFlags__DataTypeMask))); // Check only 1 option is selected
IM_ASSERT(ImIsPowerOfTwo((int)(flags & ImGuiColorEditFlags__PickerMask))); // Check only 1 option is selected
g.ColorEditOptions = flags;
}
// A little colored square. Return true when clicked.
// FIXME: May want to display/ignore the alpha component in the color display? Yet show it in the tooltip.
// 'desc_id' is not called 'label' because we don't display it next to the button, but only in the tooltip.
@ -9188,18 +9202,66 @@ bool ImGui::ColorEdit3(const char* label, float col[3], ImGuiColorEditFlags flag
return ColorEdit4(label, col, flags | ImGuiColorEditFlags_NoAlpha);
}
static void ColorOptionsPopup(ImGuiID storage_id, ImGuiColorEditFlags flags)
static void ColorEditOptionsPopup(ImGuiColorEditFlags flags)
{
bool allow_opt_inputs = !(flags & ImGuiColorEditFlags__InputsMask);
bool allow_opt_datatype = !(flags & ImGuiColorEditFlags__DataTypeMask);
if ((!allow_opt_inputs && !allow_opt_datatype) || !ImGui::BeginPopup("context"))
return;
ImGuiContext& g = *GImGui;
ImGuiColorEditFlags new_flags = -1;
if (ImGui::RadioButton("RGB", (flags & ImGuiColorEditFlags_RGB)?1:0)) new_flags = (flags & ~ImGuiColorEditFlags_InputsModeMask_) | ImGuiColorEditFlags_RGB;
if (ImGui::RadioButton("HSV", (flags & ImGuiColorEditFlags_HSV)?1:0)) new_flags = (flags & ~ImGuiColorEditFlags_InputsModeMask_) | ImGuiColorEditFlags_HSV;
if (ImGui::RadioButton("HEX", (flags & ImGuiColorEditFlags_HEX)?1:0)) new_flags = (flags & ~ImGuiColorEditFlags_InputsModeMask_) | ImGuiColorEditFlags_HEX;
ImGui::Separator();
if (ImGui::RadioButton("0..255", (flags & ImGuiColorEditFlags_Float)?0:1)) new_flags = (flags & ~ImGuiColorEditFlags_Float);
if (ImGui::RadioButton("0.00..1.00", (flags & ImGuiColorEditFlags_Float)?1:0)) new_flags = (flags | ImGuiColorEditFlags_Float);
if (new_flags != -1)
g.ColorEditModeStorage.SetInt(storage_id, (int)(new_flags & ImGuiColorEditFlags_StoredMask_));
ImGuiColorEditFlags opts = g.ColorEditOptions;
if (allow_opt_inputs)
{
if (ImGui::RadioButton("RGB", (opts & ImGuiColorEditFlags_RGB) ? 1 : 0)) opts = (opts & ~ImGuiColorEditFlags__InputsMask) | ImGuiColorEditFlags_RGB;
if (ImGui::RadioButton("HSV", (opts & ImGuiColorEditFlags_HSV) ? 1 : 0)) opts = (opts & ~ImGuiColorEditFlags__InputsMask) | ImGuiColorEditFlags_HSV;
if (ImGui::RadioButton("HEX", (opts & ImGuiColorEditFlags_HEX) ? 1 : 0)) opts = (opts & ~ImGuiColorEditFlags__InputsMask) | ImGuiColorEditFlags_HEX;
}
if (allow_opt_datatype)
{
if (allow_opt_inputs) ImGui::Separator();
if (ImGui::RadioButton("0..255", (opts & ImGuiColorEditFlags_Uint8) ? 1 : 0)) opts = (opts & ~ImGuiColorEditFlags__DataTypeMask) | ImGuiColorEditFlags_Uint8;
if (ImGui::RadioButton("0.00..1.00", (opts & ImGuiColorEditFlags_Float) ? 1 : 0)) opts = (opts & ~ImGuiColorEditFlags__DataTypeMask) | ImGuiColorEditFlags_Float;
}
g.ColorEditOptions = opts;
ImGui::EndPopup();
}
static void ColorPickerOptionsPopup(ImGuiColorEditFlags flags, float* ref_col)
{
bool allow_opt_picker = !(flags & ImGuiColorEditFlags__PickerMask);
bool allow_opt_alpha_bar = !(flags & ImGuiColorEditFlags_NoAlpha) && !(flags & ImGuiColorEditFlags_AlphaBar);
if ((!allow_opt_picker && !allow_opt_alpha_bar) || !ImGui::BeginPopup("context"))
return;
ImGuiContext& g = *GImGui;
if (allow_opt_picker)
{
ImVec2 picker_size(g.FontSize * 8, ImMax(g.FontSize * 8 - (ColorSquareSize() + g.Style.ItemInnerSpacing.x), 1.0f)); // FIXME: Picker size copied from main picker function
ImGui::PushItemWidth(picker_size.x);
for (int picker_type = 0; picker_type < 2; picker_type++)
{
// Draw small/thumbnail version of each picker type (over an invisible button for selection)
if (picker_type > 0) ImGui::Separator();
ImGui::PushID(picker_type);
ImGuiColorEditFlags picker_flags = ImGuiColorEditFlags_NoInputs|ImGuiColorEditFlags_NoOptions|ImGuiColorEditFlags_NoLabel|ImGuiColorEditFlags_NoSidePreview|(flags & ImGuiColorEditFlags_NoAlpha);
if (picker_type == 0) picker_flags |= ImGuiColorEditFlags_PickerHueBar;
if (picker_type == 1) picker_flags |= ImGuiColorEditFlags_PickerHueWheel;
ImVec2 backup_pos = ImGui::GetCursorScreenPos();
if (ImGui::Selectable("##selectable", false, 0, picker_size)) // By default, Selectable() is closing popup
g.ColorEditOptions = (g.ColorEditOptions & ~ImGuiColorEditFlags__PickerMask) | (picker_flags & ImGuiColorEditFlags__PickerMask);
ImGui::SetCursorScreenPos(backup_pos);
ImVec4 dummy_ref_col;
memcpy(&dummy_ref_col.x, ref_col, sizeof(float) * (ImGuiColorEditFlags_NoAlpha ? 3 : 4));
ImGui::ColorPicker4("##dummypicker", &dummy_ref_col.x, picker_flags);
ImGui::PopID();
}
ImGui::PopItemWidth();
}
if (allow_opt_alpha_bar)
{
if (allow_opt_picker) ImGui::Separator();
ImGui::CheckboxFlags("Alpha Bar", (unsigned int*)&g.ColorEditOptions, ImGuiColorEditFlags_AlphaBar);
}
ImGui::EndPopup();
}
// Edit colors components (each component in 0.0f..1.0f range).
@ -9213,7 +9275,6 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
const ImGuiID storage_id = window->ID; // Store options on a per window basis
const float w_extra = (flags & ImGuiColorEditFlags_NoSmallPreview) ? 0.0f : (ColorSquareSize() + style.ItemInnerSpacing.x);
const float w_items_all = CalcItemWidth() - w_extra;
const char* label_display_end = FindRenderedTextEnd(label);
@ -9221,39 +9282,44 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
const bool alpha = (flags & ImGuiColorEditFlags_NoAlpha) == 0;
const bool hdr = (flags & ImGuiColorEditFlags_HDR) != 0;
const int components = alpha ? 4 : 3;
const ImGuiColorEditFlags flags_untouched = flags;
// If we're not showing any slider there's no point in querying color mode, nor showing the options menu, nor doing any HSV conversions
BeginGroup();
PushID(label);
// If we're not showing any slider there's no point in doing any HSV conversions
if (flags & ImGuiColorEditFlags_NoInputs)
flags = (flags & (~ImGuiColorEditFlags_InputsModeMask_)) | ImGuiColorEditFlags_RGB | ImGuiColorEditFlags_NoOptions;
flags = (flags & (~ImGuiColorEditFlags__InputsMask)) | ImGuiColorEditFlags_RGB | ImGuiColorEditFlags_NoOptions;
// If no mode is specified, defaults to RGB
if (!(flags & ImGuiColorEditFlags_InputsModeMask_))
flags |= ImGuiColorEditFlags_RGB;
// Read back edit mode from persistent storage, check that exactly one of RGB/HSV/HEX is set
// Context menu: display and modify options (before defaults are applied)
if (!(flags & ImGuiColorEditFlags_NoOptions))
flags = (flags & (~ImGuiColorEditFlags_StoredMask_)) | (g.ColorEditModeStorage.GetInt(storage_id, (flags & ImGuiColorEditFlags_StoredMask_)) & ImGuiColorEditFlags_StoredMask_);
IM_ASSERT(ImIsPowerOfTwo((int)(flags & ImGuiColorEditFlags_InputsModeMask_)));
ColorEditOptionsPopup(flags);
// Read stored options
if (!(flags & ImGuiColorEditFlags__InputsMask))
flags |= (g.ColorEditOptions & ImGuiColorEditFlags__InputsMask);
if (!(flags & ImGuiColorEditFlags__DataTypeMask))
flags |= (g.ColorEditOptions & ImGuiColorEditFlags__DataTypeMask);
if (!(flags & ImGuiColorEditFlags__PickerMask))
flags |= (g.ColorEditOptions & ImGuiColorEditFlags__PickerMask);
flags |= (g.ColorEditOptions & ~(ImGuiColorEditFlags__InputsMask | ImGuiColorEditFlags__DataTypeMask | ImGuiColorEditFlags__PickerMask));
// Convert to the formats we need
float f[4] = { col[0], col[1], col[2], alpha ? col[3] : 1.0f };
if (flags & ImGuiColorEditFlags_HSV)
ColorConvertRGBtoHSV(f[0], f[1], f[2], f[0], f[1], f[2]);
int i[4] = { IM_F32_TO_INT8_UNBOUND(f[0]), IM_F32_TO_INT8_UNBOUND(f[1]), IM_F32_TO_INT8_UNBOUND(f[2]), IM_F32_TO_INT8_UNBOUND(f[3]) };
bool value_changed = false;
bool value_changed_as_float = false;
BeginGroup();
PushID(label);
if ((flags & (ImGuiColorEditFlags_RGB | ImGuiColorEditFlags_HSV)) != 0 && (flags & ImGuiColorEditFlags_NoInputs) == 0)
{
// RGB/HSV 0..255 Sliders
const float w_item_one = ImMax(1.0f, (float)(int)((w_items_all - (style.ItemInnerSpacing.x) * (components-1)) / (float)components));
const float w_item_last = ImMax(1.0f, (float)(int)(w_items_all - (w_item_one + style.ItemInnerSpacing.x) * (components-1)));
const bool hide_prefix = (w_item_one <= CalcTextSize((flags & ImGuiColorEditFlags_Float) ? "M:1.000" : "M:999").x);
const bool hide_prefix = (w_item_one <= CalcTextSize((flags & ImGuiColorEditFlags_Float) ? "M:0.000" : "M:000").x);
const char* ids[4] = { "##X", "##Y", "##Z", "##W" };
const char* fmt_table_int[3][4] =
{
@ -9341,8 +9407,8 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
Separator();
}
float square_sz = ColorSquareSize();
ImGuiColorEditFlags picker_flags_to_forward = ImGuiColorEditFlags_Float | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaBar;// | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf;
ImGuiColorEditFlags picker_flags = (flags & picker_flags_to_forward) | (ImGuiColorEditFlags_RGB | ImGuiColorEditFlags_HSV | ImGuiColorEditFlags_HEX) | ImGuiColorEditFlags_NoLabel | ImGuiColorEditFlags_AlphaPreviewHalf;
ImGuiColorEditFlags picker_flags_to_forward = ImGuiColorEditFlags__DataTypeMask | ImGuiColorEditFlags__PickerMask | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaBar;
ImGuiColorEditFlags picker_flags = (flags_untouched & picker_flags_to_forward) | ImGuiColorEditFlags__InputsMask | ImGuiColorEditFlags_NoLabel | ImGuiColorEditFlags_AlphaPreviewHalf;
PushItemWidth(square_sz * 12.0f); // Use 256 + bar sizes?
value_changed |= ColorPicker4("##picker", col, picker_flags, &g.ColorPickerRef.x);
PopItemWidth();
@ -9350,13 +9416,6 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
}
}
// Context menu: display and store options. Don't apply to 'flags' this frame.
if (!(flags & ImGuiColorEditFlags_NoOptions) && BeginPopup("context"))
{
ColorOptionsPopup(storage_id, flags);
EndPopup();
}
if (label != label_display_end && !(flags & ImGuiColorEditFlags_NoLabel))
{
SameLine(0, style.ItemInnerSpacing.x);
@ -9449,6 +9508,18 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
if ((flags & ImGuiColorEditFlags_NoSidePreview) == 0)
flags |= ImGuiColorEditFlags_NoSmallPreview;
if ((flags & ImGuiColorEditFlags_NoOptions) == 0)
{
// Context menu: display and store options.
ColorPickerOptionsPopup(flags, col);
// Read stored options
if ((flags & ImGuiColorEditFlags__PickerMask) == 0)
flags |= ((g.ColorEditOptions & ImGuiColorEditFlags__PickerMask) ? g.ColorEditOptions : ImGuiColorEditFlags__OptionsDefault) & ImGuiColorEditFlags__PickerMask;
IM_ASSERT(ImIsPowerOfTwo((int)(flags & ImGuiColorEditFlags__PickerMask))); // Check that only 1 is selected
flags |= (g.ColorEditOptions & ImGuiColorEditFlags_AlphaBar);
}
// Setup
bool alpha_bar = (flags & ImGuiColorEditFlags_AlphaBar) && !(flags & ImGuiColorEditFlags_NoAlpha);
ImVec2 picker_pos = window->DC.CursorPos;
@ -9472,11 +9543,6 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
float H,S,V;
ColorConvertRGBtoHSV(col[0], col[1], col[2], H, S, V);
// Defaults to Hue bar + SV rectangle // FIXME-WIP
if ((flags & ImGuiColorEditFlags_PickerModeMask_) == 0)
flags |= ImGuiColorEditFlags_PickerHueBar;
IM_ASSERT(ImIsPowerOfTwo((int)(flags & ImGuiColorEditFlags_PickerModeMask_))); // Check that only 1 is selected
bool value_changed = false, value_changed_h = false, value_changed_sv = false;
if (flags & ImGuiColorEditFlags_PickerHueWheel)
@ -9511,6 +9577,8 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
value_changed = value_changed_sv = true;
}
}
if (!(flags & ImGuiColorEditFlags_NoOptions) && IsItemHovered() && IsMouseClicked(1))
OpenPopup("context");
}
else if (flags & ImGuiColorEditFlags_PickerHueBar)
{
@ -9522,6 +9590,8 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
V = 1.0f - ImSaturate((io.MousePos.y - picker_pos.y) / (sv_picker_size-1));
value_changed = value_changed_sv = true;
}
if (!(flags & ImGuiColorEditFlags_NoOptions) && IsItemHovered() && IsMouseClicked(1))
OpenPopup("context");
// Hue bar logic
SetCursorScreenPos(ImVec2(bar0_pos_x, picker_pos.y));
@ -9587,20 +9657,16 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
ColorConvertHSVtoRGB(H >= 1.0f ? H - 10 * 1e-6f : H, S > 0.0f ? S : 10*1e-6f, V > 0.0f ? V : 1e-6f, col[0], col[1], col[2]);
// R,G,B and H,S,V slider color editor
if (!(flags & ImGuiColorEditFlags_NoInputs))
if ((flags & ImGuiColorEditFlags_NoInputs) == 0)
{
PushItemWidth((alpha_bar ? bar1_pos_x : bar0_pos_x) + bars_width - picker_pos.x);
ImGuiColorEditFlags sub_flags_to_forward = ImGuiColorEditFlags_Float | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoSmallPreview | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf;
ImGuiColorEditFlags sub_flags_to_forward = ImGuiColorEditFlags__DataTypeMask | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoSmallPreview | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf;
ImGuiColorEditFlags sub_flags = (flags & sub_flags_to_forward) | ImGuiColorEditFlags_NoPicker;
if ((flags & ImGuiColorEditFlags_InputsModeMask_) == 0)
flags |= ImGuiColorEditFlags_RGB | ImGuiColorEditFlags_HSV | ImGuiColorEditFlags_HEX;
if ((flags & ImGuiColorEditFlags_InputsModeMask_) == ImGuiColorEditFlags_InputsModeMask_)
sub_flags |= ImGuiColorEditFlags_NoOptions;
if (flags & ImGuiColorEditFlags_RGB)
if (flags & ImGuiColorEditFlags_RGB || (flags & ImGuiColorEditFlags__InputsMask) == 0)
value_changed |= ColorEdit4("##rgb", col, sub_flags | ImGuiColorEditFlags_RGB);
if (flags & ImGuiColorEditFlags_HSV)
if (flags & ImGuiColorEditFlags_HSV || (flags & ImGuiColorEditFlags__InputsMask) == 0)
value_changed |= ColorEdit4("##hsv", col, sub_flags | ImGuiColorEditFlags_HSV);
if (flags & ImGuiColorEditFlags_HEX)
if (flags & ImGuiColorEditFlags_HEX || (flags & ImGuiColorEditFlags__InputsMask) == 0)
value_changed |= ColorEdit4("##hex", col, sub_flags | ImGuiColorEditFlags_HEX);
PopItemWidth();
}