shoddy meters

[blobs.git] / src / ui / widgets.cpp

diff --git a/src/ui/widgets.cpp b/src/ui/widgets.cpp
index 94c4182ec0c1911aecba6a56b58811ce61a3901e..ffaeab8317737e7bd659d09bbc3d874cd39227ed 100644 (file)
--- a/src/ui/widgets.cpp
+++ b/src/ui/widgets.cpp
@@ -1,4 +1,5 @@
 #include "Label.hpp"
+#include "Meter.hpp"
 #include "Panel.hpp"
 #include "Widget.hpp"
 
@@ -24,30 +25,30 @@ Label::Label(const graphics::Font &f)
 Label::~Label() {
 }
 
-Label &Label::Text(const std::string &t) {
+Label *Label::Text(const std::string &t) {
        if (text != t) {
                dirty = true;
        }
        text = t;
-       return *this;
+       return this;
 }
 
-Label &Label::Font(const graphics::Font &f) {
+Label *Label::Font(const graphics::Font &f) {
        if (font != &f) {
                dirty = true;
        }
        font = &f;
-       return *this;
+       return this;
 }
 
-Label &Label::Foreground(const glm::vec4 &c) {
+Label *Label::Foreground(const glm::vec4 &c) {
        fg_color = c;
-       return *this;
+       return this;
 }
 
-Label &Label::Background(const glm::vec4 &c) {
+Label *Label::Background(const glm::vec4 &c) {
        bg_color = c;
-       return *this;
+       return this;
 }
 
 glm::vec2 Label::Size() {
@@ -78,6 +79,45 @@ void Label::Update() {
 }
 
 
+Meter::Meter()
+: fill_color(1.0f)
+, border_color(1.0f)
+, size(3.0f)
+, padding(1.0f)
+, border(1.0f)
+, value(0.0f) {
+}
+
+Meter::~Meter() {
+}
+
+glm::vec2 Meter::Size() {
+       return size + (2.0f * padding) + (2.0f * border);
+}
+
+void Meter::Draw(app::Assets &assets, graphics::Viewport &viewport) noexcept {
+       glm::vec2 fullsize = Size();
+       assets.shaders.plain_color.Activate();
+
+       if (border > 0.0f) {
+               assets.shaders.plain_color.SetM(glm::translate(AlignedPosition())
+                       * glm::scale(glm::vec3(fullsize.x, fullsize.y, 1.0f)));
+               assets.shaders.plain_color.SetColor(border_color);
+               assets.shaders.plain_color.OutlineRect();
+       }
+
+       if (value > 0.0f) {
+               glm::vec3 top_left(glm::vec2(TopLeft()) + padding + glm::vec2(border), Position().z);
+               glm::vec3 actual_size(size.x * value, size.y, 1.0f);
+
+               assets.shaders.plain_color.SetM(glm::translate(align(Gravity::NORTH_WEST, actual_size, top_left))
+                       * glm::scale(actual_size));
+               assets.shaders.plain_color.SetColor(fill_color);
+               assets.shaders.plain_color.DrawRect();
+       }
+}
+
+
 Panel::Panel()
 : widgets()
 , bg_color(0.0f, 0.0f, 0.0f, 0.0f)
@@ -90,7 +130,7 @@ Panel::Panel()
 Panel::~Panel() {
 }
 
-Panel &Panel::Add(Widget *w) {
+Panel *Panel::Add(Widget *w) {
        std::unique_ptr<Widget> widget(w);
        glm::vec2 wsize = widget->Size();
        if (dir == HORIZONTAL) {
@@ -101,32 +141,38 @@ Panel &Panel::Add(Widget *w) {
                size.y += wsize.y;
        }
        widgets.emplace_back(std::move(widget));
-       return *this;
+       return this;
+}
+
+Panel *Panel::Clear() {
+       widgets.clear();
+       size = glm::vec2(0.0f);
+       return this;
 }
 
-Panel &Panel::Background(const glm::vec4 &c) {
+Panel *Panel::Background(const glm::vec4 &c) {
        bg_color = c;
-       return *this;
+       return this;
 }
 
-Panel &Panel::Padding(const glm::vec2 &p) {
+Panel *Panel::Padding(const glm::vec2 &p) {
        padding = p;
-       return *this;
+       return this;
 }
 
-Panel &Panel::Spacing(float s) {
+Panel *Panel::Spacing(float s) {
        spacing = s;
-       return *this;
+       return this;
 }
 
-Panel &Panel::Direction(Dir d) {
+Panel *Panel::Direction(Dir d) {
        dir = d;
        Relayout();
-       return *this;
+       return this;
 }
 
 glm::vec2 Panel::Size() {
-       return 2.0f * padding + glm::vec2(0.0f, (widgets.size() - 1) * spacing) + size;
+       return (2.0f * padding) + glm::vec2(0.0f, (widgets.size() - 1) * spacing) + size;
 }
 
 void Panel::Relayout() {
@@ -161,7 +207,7 @@ void Panel::Draw(app::Assets &assets, graphics::Viewport &viewport) noexcept {
        cursor.y += padding.y;
        cursor.z -= 1.0f;
        for (auto &w : widgets) {
-               w->Position(cursor).Origin(Gravity::NORTH_WEST);
+               w->Position(cursor)->Origin(Gravity::NORTH_WEST);
                w->Draw(assets, viewport);
                cursor[dir] += w->Size()[dir] + spacing;
        }