6 #include "../app/Assets.hpp"
7 #include "../graphics/Font.hpp"
8 #include "../graphics/Viewport.hpp"
12 #include <glm/gtx/transform.hpp>
18 Label::Label(const graphics::Font &f)
22 , fg_color(0.0f, 0.0f, 0.0f, 1.0f)
23 , bg_color(0.0f, 0.0f, 0.0f, 0.0f) {
29 Label *Label::Text(const std::string &t) {
37 Label *Label::Font(const graphics::Font &f) {
45 Label *Label::Foreground(const glm::vec4 &c) {
50 Label *Label::Background(const glm::vec4 &c) {
55 glm::vec2 Label::Size() {
57 return glm::vec2(0.0f);
62 void Label::Draw(app::Assets &assets, graphics::Viewport &viewport) noexcept {
63 if (text.empty()) return;
64 glm::vec2 size = Size();
66 assets.shaders.alpha_sprite.Activate();
67 assets.shaders.alpha_sprite.SetM(glm::translate(glm::vec3(Position() + (size * 0.5f), -ZIndex()))
68 * glm::scale(glm::vec3(size.x, size.y, 1.0f)));
69 assets.shaders.alpha_sprite.SetTexture(tex);
70 assets.shaders.alpha_sprite.SetFgColor(fg_color);
71 assets.shaders.alpha_sprite.SetBgColor(bg_color);
72 assets.shaders.alpha_sprite.DrawRect();
75 void Label::FixLayout() {
76 if (text.empty()) return;
77 font->Render(text, tex);
93 glm::vec2 Meter::Size() {
94 return size + (2.0f * padding) + glm::vec2(2.0f * border);
97 void Meter::Draw(app::Assets &assets, graphics::Viewport &viewport) noexcept {
98 glm::vec2 fullsize = Size();
99 assets.shaders.canvas.Activate();
100 assets.shaders.canvas.ZIndex(ZIndex());
103 assets.shaders.canvas.SetColor(border_color);
104 assets.shaders.canvas.DrawRect(
105 Position() + glm::vec2(border * 0.5f),
106 Position() + fullsize - glm::vec2(border * 0.5f),
112 glm::vec2 bottom_right = Position() + fullsize - glm::vec2(border) - padding;
113 bottom_right.x -= size.x * (1.0f - value);
114 assets.shaders.canvas.SetColor(fill_color);
115 assets.shaders.canvas.FillRect(
116 Position() + glm::vec2(border) + padding,
125 , bg_color(0.0f, 0.0f, 0.0f, 0.0f)
135 Panel *Panel::Add(Widget *w) {
137 widgets.emplace_back(std::unique_ptr<Widget>(w));
142 Panel *Panel::Clear() {
148 Panel *Panel::Background(const glm::vec4 &c) {
153 Panel *Panel::Padding(const glm::vec2 &p) {
159 Panel *Panel::Spacing(float s) {
165 Panel *Panel::Direction(Dir d) {
171 glm::vec2 Panel::Size() {
172 glm::vec2 space(0.0f);
173 space[dir] = (widgets.size() - 1) * spacing;
174 return (2.0f * padding) + space + size;
177 void Panel::FixLayout() {
178 for (auto &w : widgets) {
181 size = glm::vec2(0.0f);
182 if (dir == HORIZONTAL) {
183 for (auto &w : widgets) {
184 glm::vec2 wsize = w->Size();
186 size.y = std::max(size.y, wsize.y);
189 for (auto &w : widgets) {
190 glm::vec2 wsize = w->Size();
191 size.x = std::max(size.x, wsize.x);
197 void Panel::Draw(app::Assets &assets, graphics::Viewport &viewport) noexcept {
198 if (bg_color.a > 0.0f) {
199 assets.shaders.canvas.Activate();
200 assets.shaders.canvas.ZIndex(ZIndex());
201 assets.shaders.canvas.SetColor(bg_color);
202 assets.shaders.canvas.FillRect(Position(), Position() + Size());
205 glm::vec2 cursor = Position() + padding;
206 for (auto &w : widgets) {
207 w->Position(cursor)->ZIndex(ZIndex() + 1.0f);
208 w->Draw(assets, viewport);
209 cursor[dir] += w->Size()[dir] + spacing;
218 , dirty_layout(false) {
224 void Widget::SetParent(Widget &p) noexcept {
228 void Widget::BreakLayout() noexcept {
229 if (dirty_layout) return;
234 void Widget::BreakParentLayout() noexcept {
236 GetParent().BreakLayout();
240 void Widget::Layout() {
243 dirty_layout = false;