overhaul need system

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

diff --git a/src/ui/widgets.cpp b/src/ui/widgets.cpp
index 6d88ad71b46772d7b636c53c6c3e89beee853a30..b0d44e20969fa23a55bbfe589e76d4b0fa3332be 100644 (file)
--- a/src/ui/widgets.cpp
+++ b/src/ui/widgets.cpp
@@ -7,6 +7,8 @@
 #include "../graphics/Font.hpp"
 #include "../graphics/Viewport.hpp"
 
+#include <iomanip>
+#include <sstream>
 #include <glm/gtx/transform.hpp>
 
 
@@ -33,6 +35,61 @@ Label *Label::Text(const std::string &t) {
        return this;
 }
 
+Label *Label::Decimal(double n, int prec) {
+       std::stringstream s;
+       s << std::fixed << std::setprecision(prec) << n;
+       return Text(s.str());
+}
+
+Label *Label::Length(double m) {
+       std::stringstream s;
+       s << std::fixed << std::setprecision(3);
+       if (m > 1500.0) {
+               s << (m * 0.001) << "km";
+       } else if (m < 0.1) {
+               s << (m * 1000.0) << "mm";
+       } else {
+               s << m << "m";
+       }
+       return Text(s.str());
+}
+
+Label *Label::Mass(double kg) {
+       std::stringstream s;
+       s << std::fixed << std::setprecision(3);
+       if (kg > 1500.0) {
+               s << (kg * 0.001) << "t";
+       } else if (kg < 0.1) {
+               s << (kg * 1000.0) << "g";
+       } else if (kg < 0.0001) {
+               s << (kg * 1.0e6) << "mg";
+       } else {
+               s << kg << "kg";
+       }
+       return Text(s.str());
+}
+
+Label *Label::Percentage(double n) {
+       std::stringstream s;
+       s << std::fixed << std::setprecision(1) << (n * 100.0) << '%';
+       return Text(s.str());
+}
+
+Label *Label::Time(double s) {
+       int is = int(s);
+       std::stringstream ss;
+       if (is >= 3600) {
+               ss << (is / 3600) << "h ";
+               is %= 3600;
+       }
+       if (is >= 60) {
+               ss << (is / 60) << "m ";
+               is %= 60;
+       }
+       ss << is << 's';
+       return Text(ss.str());
+}
+
 Label *Label::Font(const graphics::Font &f) {
        if (font != &f) {
                dirty = true;
@@ -60,6 +117,7 @@ glm::vec2 Label::Size() {
 }
 
 void Label::Draw(app::Assets &assets, graphics::Viewport &viewport) noexcept {
+       if (text.empty()) return;
        Update();
        glm::vec2 size = Size();
 
@@ -73,7 +131,7 @@ void Label::Draw(app::Assets &assets, graphics::Viewport &viewport) noexcept {
 }
 
 void Label::Update() {
-       if (!dirty) return;
+       if (!dirty || text.empty()) return;
        font->Render(text, tex);
        dirty = false;
 }
@@ -170,7 +228,7 @@ Panel *Panel::Spacing(float s) {
 
 Panel *Panel::Direction(Dir d) {
        dir = d;
-       Relayout();
+       Layout();
        return this;
 }
 
@@ -180,7 +238,7 @@ glm::vec2 Panel::Size() {
        return (2.0f * padding) + space + size;
 }
 
-void Panel::Relayout() {
+void Panel::Layout() {
        size = glm::vec2(0.0f);
        if (dir == HORIZONTAL) {
                for (auto &w : widgets) {
@@ -198,6 +256,8 @@ void Panel::Relayout() {
 }
 
 void Panel::Draw(app::Assets &assets, graphics::Viewport &viewport) noexcept {
+       // TODO: separate draw and layout, it's inefficient and the wrong tree order anyway
+       Layout();
        if (bg_color.a > 0.0f) {
                assets.shaders.canvas.Activate();
                assets.shaders.canvas.ZIndex(ZIndex());
@@ -205,9 +265,7 @@ void Panel::Draw(app::Assets &assets, graphics::Viewport &viewport) noexcept {
                assets.shaders.canvas.FillRect(Position(), Position() + Size());
        }
 
-       glm::vec2 cursor = Position();
-       cursor.x += padding.x;
-       cursor.y += padding.y;
+       glm::vec2 cursor = Position() + padding;
        for (auto &w : widgets) {
                w->Position(cursor)->ZIndex(ZIndex() + 1.0f);
                w->Draw(assets, viewport);