make fitting widgets to text a generic function and add it to label

src/Button.cpp

@@ -8,26 +8,18 @@
 
 namespace Raven {
 
-void Button::recompute_text_size() {
-    window()->painter().set_pango_font_description(styles()->controls_font_description());
-    auto size = window()->painter().compute_text_size(current_geometry(), m_text);
-    if (!resize(size)) {
-        wants_full_relayout();
-    }
-}
-
 void Button::set_text(std::string text) {
     m_text = text;
 
     if (window()) {
-        recompute_text_size();
+        fit_text(text);
     }
 }
 
 void Button::on_init() {
     set_background_fill_color(styles()->button_normal_color());
     set_do_background_fill(true);
-    recompute_text_size();
+    fit_text(m_text);
 
     set_did_init(true);
 }

src/Label.cpp

@@ -5,12 +5,17 @@
 
 namespace Raven {
 
-void Label::on_init() {
-    // the label will inherit the background color properties from the parent
-    if (parent()) {
-        set_do_background_fill(parent()->do_background_fill());
-        set_background_fill_color(parent()->background_fill_color());
+void Label::set_text(std::string text) {
+    m_text = text;
+
+    if (window()) {
+        fit_text(text);
     }
+}
+
+void Label::on_init() {
+    fit_text(m_text);
+
     set_did_init(true);
 } 
 
@@ -19,14 +24,11 @@ void Label::on_paint() {
 
     auto painter = window()->painter();
     auto text_color = styles()->label_text_color();
-    auto text_geometry = current_geometry().max_geometry();
-    bool set_size = current_geometry().max_width() != -1 && current_geometry().max_height() != -1;
 
     painter.source_rgb(text_color);
     painter.set_pango_font_description(styles()->controls_font_description());
-    auto point = painter.text(text_geometry, m_text, PaintTextAlign::Left, PANGO_ELLIPSIZE_NONE, set_size);
-    resize(point);
+    painter.text(current_geometry(), m_text, PaintTextAlign::Left, PANGO_ELLIPSIZE_NONE, true);
     painter.fill();
 }
 
-}
+}

src/Label.hpp

@@ -16,7 +16,7 @@ public:
     ~Label() {}
 
     std::string &text() { return m_text; }
-    void set_text(std::string text) { m_text = text; wants_repaint(); }
+    void set_text(std::string text);
 protected:
     void on_paint();
     void on_init();

src/Widget.cpp

@@ -9,6 +9,17 @@
 
 namespace Raven {
 
+void Widget::fit_text(std::string &text) {
+    if (!window())
+        return;
+
+    window()->painter().set_pango_font_description(styles()->controls_font_description());
+    auto size = window()->painter().compute_text_size(current_geometry(), text);
+    if (!resize(size)) {
+        wants_full_relayout();
+    }
+}
+
 bool Widget::resize(double width, double height) {
     if (m_current_geometry.width() == width && m_current_geometry.height() == height)
         return false;

src/Widget.hpp

@@ -62,6 +62,8 @@ public:
     void set_current_geometry(Box current_geometry) { m_current_geometry = current_geometry; wants_full_relayout(); }
     void set_current_geometry(Box current_geometry, bool is_pure) { m_current_geometry = current_geometry; if (!is_pure) { wants_full_relayout(); } }
 
+    void fit_text(std::string &text); 
+
     void move_to(double x, double y);
     bool resize(double width, double height);
     bool resize(Point &point) { return resize(point.x(), point.y()); }

src/main.cpp

@@ -20,7 +20,8 @@ int main() {
     int number = 0;
 
     for (int i = 0; i < 500; i++) {
-        auto button = main_widget->add<Raven::Button>("0");
+        auto button = main_widget->add<Raven::Label>("text    ");
+        /*
         button->on_click = [&]() {
             number++;
 
@@ -33,6 +34,7 @@ int main() {
             }
             window.end_batch();
         };
+        */
     }
 
     window.run(true);