f83d8056d5
The gallery's Theme tab lists every palette colour with a swatch and hex value, and edits the selected one with a colour wheel and alpha slider; sliders tune the main metrics, a dropdown applies accent presets, Reset restores the standard theme and Copy as C++ puts the theme on the clipboard. The editable fields are declared once in field tables that drive both the editor and the exported source, and the editor always edits the live Ui theme so changes made elsewhere carry over.
102 lines
2.2 KiB
C++
102 lines
2.2 KiB
C++
#pragma once
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#include "BoxLayout.hpp"
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#include "Button.hpp"
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#include "Containers.hpp"
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#include "Label.hpp"
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#include "Menus.hpp"
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#include "Slider.hpp"
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#include "Theme.hpp"
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#include "Views.hpp"
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#include <memory>
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#include <string>
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#include <vector>
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namespace tp::ui {
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struct ThemeColorField {
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const char* name;
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RGBA Palette::* member;
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};
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struct ThemeMetricField {
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const char* name;
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halnf Metrics::* member;
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halnf minimum;
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halnf maximum;
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};
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const std::vector<ThemeColorField>& themeColorFields();
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const std::vector<ThemeMetricField>& themeMetricFields();
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std::string colorHex(const RGBA& color);
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std::string themeSource(const Theme& theme);
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class ColorSwatch : public Control {
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public:
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ColorSwatch();
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void setColor(const RGBA& color);
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[[nodiscard]] const RGBA& color() const { return mColor; }
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protected:
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[[nodiscard]] Extent measureContent(Axis axis, halnf crossLength) const override;
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void paint(Painter& painter) override;
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private:
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RGBA mColor;
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};
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class ThemeColorRow : public Widget {
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public:
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explicit ThemeColorRow(const ThemeColorField& field);
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void refresh(const Theme& theme);
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void setSelected(bool selected);
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ColorSwatch swatch;
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Button name;
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Label hex;
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private:
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const ThemeColorField& mField;
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};
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class ThemeEditorPage : public Widget {
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public:
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ThemeEditorPage();
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[[nodiscard]] size_t selectedColor() const { return mSelected; }
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void selectColor(size_t index);
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[[nodiscard]] Theme editedTheme() const;
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ScrollView colorScroll;
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Widget colorList;
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std::vector<std::unique_ptr<ThemeColorRow>> colorRows;
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Label editingTitle;
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ColorWheel wheel;
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LabeledSlider alpha{ "Alpha", 0, 1, 1 };
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std::vector<std::unique_ptr<LabeledSlider>> metricSliders;
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Dropdown accentPreset{ { "Blue", "Purple", "Green", "Orange", "Pink" } };
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Button reset{ "Reset to standard" };
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Button copySource{ "Copy as C++" };
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Label status;
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protected:
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void onAttached() override;
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void onThemeChanged() override;
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private:
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template <typename Edit>
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void edit(Edit&& change);
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void refreshEditors();
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size_t mSelected = 0;
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bool mRefreshing = false;
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Widget mColorColumn;
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Widget mEditorColumn;
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Widget mActionRow;
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Separator mSeparator;
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};
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}
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