basic structure

meson.build

@@ -5,4 +5,13 @@ cairomm_dep = dependency('cairomm-1.0')
 pangocairo_dep = dependency('pangocairo')
 xlib_dep = dependency('x11')
 
-executable('blit_app', './src/main.cpp', dependencies : [cairomm_dep, xlib_dep, pangocairo_dep])
+executable(
+    'blit_app',
+    './src/Box.cpp',
+    './src/Point.cpp',
+    './src/Events.cpp',
+    './src/Widget.cpp',
+    './src/Window.cpp',
+    './src/main.cpp',
+    dependencies : [cairomm_dep, xlib_dep, pangocairo_dep]
+)

src/Box.cpp

@@ -0,0 +1,14 @@
+#include "Box.hpp"
+
+namespace Raven {
+
+bool Box::contains_point(double x, double y) {
+    return x >= m_x && m_x + m_width >= x && y >= m_y && m_y + m_height >= y;
+}
+
+bool Box::contains_box(const Box &other) {
+    // FIXME
+    return false;
+}
+
+}

src/Box.hpp

@@ -0,0 +1,36 @@
+#pragma once
+
+namespace Raven {
+
+class Box {
+private:
+    double m_x {0};
+    double m_y {0};
+    double m_width {0};
+    double m_height {0};
+public:
+    Box() {}
+    Box(double x, double y, double width, double height)
+        : m_x(x)
+        , m_y(y)
+        , m_width(width)
+        , m_height(height)
+    {
+
+    }
+
+    double get_x() { return m_x; }
+    double get_y() { return m_y; }
+    double get_width() { return m_width; }
+    double get_height() { return m_height; }
+
+    void set_x(double x) { m_x = x; }
+    void set_y(double y) { m_y = y; }
+    void set_width(double width) { m_width = width; }
+    void set_height(double height) { m_height = height; }
+
+    bool contains_point(double x, double y);
+    bool contains_box(const Box &other);
+};
+
+}

src/Events.hpp

@@ -0,0 +1,54 @@
+#include <stdint.h>
+#include "Point.hpp"
+
+namespace Raven {
+
+enum class EventType {
+    None,
+
+    MouseButton,
+    MouseMove
+};
+
+class Event {
+private:
+    bool m_accepted { false };
+public:
+    Event() {}
+
+    void accept() { m_accepted = true; }
+    bool is_accepted() { return m_accepted; }
+    virtual EventType get_event_type() { return EventType::None; }
+    virtual const char *get_event_name() { return "None"; }
+};
+
+class MouseButtonEvent : public Event {
+private:
+    bool m_was_left_button_pressed;
+    bool m_was_right_button_pressed;
+public:
+    MouseButtonEvent(bool was_left_button_pressed, bool was_right_button_pressed)
+        : m_was_left_button_pressed(was_left_button_pressed)
+        , m_was_right_button_pressed(was_right_button_pressed) {}
+
+    EventType get_event_type() { return EventType::MouseButton; }
+    const char *get_event_name() { return "MouseButton"; }
+
+    bool get_was_left_button_pressed() { return m_was_left_button_pressed; }
+    bool get_was_right_button_pressed() { return m_was_right_button_pressed; }
+};
+
+class MouseMoveEvent : public Event {
+private:
+    Point m_point;
+public:
+    MouseMoveEvent(Point point)
+        : m_point(point) {}
+
+    EventType get_event_type() { return EventType::MouseMove; }
+    const char *get_event_name() { return "MouseMove"; }
+
+    Point &get_point() { return m_point; }
+};
+
+}

src/Painter.hpp

@@ -0,0 +1,9 @@
+namespace Raven {
+
+class Painter {
+    Painter() {
+
+    }
+};
+
+}

src/Point.hpp

@@ -0,0 +1,23 @@
+#include <stdint.h>
+
+namespace Raven {
+
+class Point {
+private:
+    int m_x;
+    int m_y;
+public:
+    Point(int x, int y)
+        : m_x(x)
+        , m_y(y) {}
+
+    int get_x() { return m_x; }
+    const int get_x() const { return m_x; }
+    int get_y() { return m_y; }
+    const int get_y() const { return m_y; }
+
+    void set_x(int x) { m_x = x; }
+    void set_y(int y) { m_y = y; }
+};
+
+}

src/Widget.hpp

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "Box.hpp"
+
+namespace Raven {
+
+class Widget {
+private:
+    Box m_current_geometry {};
+public:
+    Widget() {
+
+    }
+
+    const Box &get_current_geometry() const { return m_current_geometry; }
+};
+
+}

src/Window.cpp

@@ -0,0 +1,37 @@
+#include <iostream>
+#include "Window.hpp"
+#include <X11/Xlib.h>
+#include <cairomm-1.0/cairomm/cairomm.h>
+#include <cairomm-1.0/cairomm/context.h>
+#include <cairomm-1.0/cairomm/surface.h>
+#include <cairomm-1.0/cairomm/xlib_surface.h>
+
+namespace Raven {
+
+bool Window::spawn_window() {
+    Display *dsp;
+    Drawable da;
+    int screen;
+
+    if ((dsp = XOpenDisplay(NULL)) == NULL) {
+        std::cout << "error: XOpenDisplay(NULL)" << "\n";
+        return false;
+    }
+
+    screen = DefaultScreen(dsp);
+    da = XCreateSimpleWindow(dsp, DefaultRootWindow(dsp), 0, 0, get_current_geometry().get_width(), get_current_geometry().get_height(), 0, 0, 0);
+    XSelectInput(dsp, da, ButtonPressMask | ButtonReleaseMask | KeyPressMask | PointerMotionMask);
+    XMapWindow(dsp, da);
+    auto x_surface = Cairo::XlibSurface::create(
+        dsp,
+        da,
+        DefaultVisual(dsp, screen),
+        get_current_geometry().get_width(),
+        get_current_geometry().get_height()
+    );
+    Cairo::Context::create(x_surface);
+
+    return true;
+}
+
+}

src/Window.hpp

@@ -0,0 +1,22 @@
+#include "Widget.hpp"
+
+namespace Raven {
+
+class Window {
+private:
+    Widget *m_active_widget { nullptr };
+    Box m_current_geometry { 0, 0, 800, 600 };
+public:
+    Window() {
+
+    }
+
+    Widget *get_active_widget() { return m_active_widget; }
+    void set_active_widget(Widget *active_widget) { m_active_widget = active_widget; }
+    Box &get_current_geometry() { return m_current_geometry; }
+
+    bool spawn_window();
+    void window_event_loop();
+};
+
+}

src/_main_old.cpp

@@ -0,0 +1,357 @@
+#include <string>
+#include <vector>
+#include <iostream>
+#include <cairomm-1.0/cairomm/xlib_surface.h>
+#include <cairomm-1.0/cairomm/context.h>
+#include <cairomm-1.0/cairomm/surface.h>
+#include <pango/pangocairo.h>
+
+
+void panic(int exit_code, const char *message) {
+    fputs(message, stderr);
+    exit(exit_code);
+}
+
+namespace Blit {
+
+bool collide_point_rect(double x, double y, double w, double h, double x1, double y1) {
+    return x1 >= x && x + w >= x1 &&
+        y1 >= y && y + h >= y1;
+}
+
+
+enum TextAlign {
+    TEXT_ALIGN_NONE,
+    TEXT_ALIGN_CENTER_LEFT,
+    TEXT_ALIGN_CENTER
+};
+
+
+class RGB {
+public:
+    double r, g, b;
+public:
+    RGB(double r, double g, double b) : r(r), g(g), b(b) {
+
+    }
+};
+
+
+class BaseElement {
+public:
+    std::vector<std::reference_wrapper<BaseElement>> bound_elements;
+
+    BaseElement() {}
+    virtual ~BaseElement() {}
+
+    bool should_get_x_events = true;
+    virtual void on_draw() = 0;
+    virtual void handle_event(XEvent *e) = 0;
+
+    void draw() {
+        on_draw();
+        for (auto i : bound_elements) {
+            i.get().draw();
+        }
+    }
+
+    void bind_element(BaseElement &other) {
+        bound_elements.push_back(other);
+    }
+};
+
+
+class Window {
+public:
+    Cairo::RefPtr<Cairo::Context> cr;
+    Display *dsp;
+private:
+    std::vector<Blit::BaseElement *> m_attached_elements;
+public:
+    Window(int x, int y)
+    {
+        Drawable da;
+        int screen;
+
+        if ((dsp = XOpenDisplay(NULL)) == NULL)
+            panic(1, "Failed to open display");
+
+        screen = DefaultScreen(dsp);
+        da = XCreateSimpleWindow(dsp, DefaultRootWindow(dsp), 0, 0, x, y, 0, 0, 0);
+        XSelectInput(dsp, da, ButtonPressMask | ButtonReleaseMask | KeyPressMask | PointerMotionMask);
+        XMapWindow(dsp, da);
+
+        auto x_surface = Cairo::XlibSurface::create(
+            dsp,
+            da,
+            DefaultVisual(dsp, screen),
+            x,
+            y
+        );
+        cr = Cairo::Context::create(x_surface);
+    }
+
+    void attach_element_init(Blit::BaseElement *element) {
+        m_attached_elements.push_back(element);
+    }
+
+    void attach_element(Blit::BaseElement *element) {
+        m_attached_elements.push_back(element);
+        element->draw();
+    }
+
+    void redraw_all() {
+        for (Blit::BaseElement * element : m_attached_elements) {
+            element->draw();
+        }
+    }
+
+    void handle_x_event(XEvent *e) {
+        for (Blit::BaseElement * element : m_attached_elements) {
+            if (element->should_get_x_events)
+                element->handle_event(e);
+        }
+    }
+};
+
+
+class Text : public BaseElement {
+public:
+    PangoFontDescription *font_description;
+    bool should_get_x_events = false;
+    Blit::TextAlign text_align = Blit::TextAlign::TEXT_ALIGN_NONE;
+    double x, y, box_x, box_y, box_w, box_h = 0;
+    std::string text;
+    Blit::RGB fg;
+
+    Cairo::RefPtr<Cairo::Context> cr;
+public:
+    Text(Cairo::RefPtr<Cairo::Context> cr, std::string& text, PangoFontDescription *font_description) :
+        cr(cr),
+        text(text),
+        font_description(font_description),
+        fg(0.0, 0.0, 0.0)
+    {}
+
+    virtual ~Text() {}
+
+    void on_draw() {
+        cr->save();
+        cr->set_source_rgb(fg.r, fg.g, fg.b);
+
+        if (text_align == Blit::TextAlign::TEXT_ALIGN_NONE) {
+            PangoLayout *layout = pango_cairo_create_layout(cr->cobj());
+            pango_layout_set_font_description(layout, font_description);
+            pango_layout_set_text(layout, text.c_str(), -1);
+            cr->move_to(x, y);
+            pango_cairo_show_layout(cr->cobj(), layout);
+            g_object_unref(layout);
+        } else if (text_align == Blit::TextAlign::TEXT_ALIGN_CENTER_LEFT) {
+            PangoLayout *layout = pango_cairo_create_layout(cr->cobj());
+            int font_width;
+            int font_height;
+
+            pango_layout_set_font_description(layout, font_description);
+            pango_layout_set_text(layout, text.c_str(), -1);
+            pango_layout_get_pixel_size(layout, &font_width, &font_height);
+
+            double x = box_x + ((box_w - font_width) / 2);
+            double y = box_y + ((box_h - font_height) / 2);
+
+            // TODO: unhardcode the padding
+            x = box_x + 4;
+
+            cr->move_to(x, y);
+            pango_cairo_show_layout(cr->cobj(), layout);
+            g_object_unref(layout);
+        } else if (text_align == Blit::TextAlign::TEXT_ALIGN_CENTER) {
+            PangoLayout *layout = pango_cairo_create_layout(cr->cobj());
+            int font_width;
+            int font_height;
+
+            pango_layout_set_font_description(layout, font_description);
+            pango_layout_set_text(layout, text.c_str(), -1);
+            pango_layout_get_pixel_size(layout, &font_width, &font_height);
+
+            double x = box_x + ((box_w - font_width) / 2);
+            double y = box_y + ((box_h - font_height) / 2);
+
+            cr->move_to(x, y);
+            pango_cairo_show_layout(cr->cobj(), layout);
+            g_object_unref(layout);
+        }
+
+        cr->fill();
+        cr->restore();
+    }
+
+    void handle_event(XEvent *e) {}
+
+    void set_x(double val) {
+        x = val;
+        draw();
+    }
+    void set_y(double val) {
+        y = val;
+        draw();
+    }
+    void set_box_x(double val) {
+        box_x = val;
+        draw();
+    }
+    void set_box_y(double val) {
+        box_y = val;
+        draw();
+    }
+    void set_box_w(double val) {
+        box_w = val;
+        draw();
+    }
+    void set_box_h(double val) {
+        box_h = val;
+        draw();
+    }
+    void set_text(std::string& text) {
+        text = text;
+        draw();
+    }
+    void set_text_align(Blit::TextAlign val) {
+        text_align = val;
+        draw();
+    }
+    void set_current_fg(Blit::RGB val) {
+        fg = val;
+        draw();
+    }
+};
+
+
+class Button : public BaseElement {
+public:
+    bool should_get_x_events = true;
+    double x, y, w, h, border_radius = 0;
+    Blit::RGB current_bg, bg, sel_bg;
+
+    bool is_hot, is_active = false;
+
+    Cairo::RefPtr<Cairo::Context> cr;
+public:
+    Button(Cairo::RefPtr<Cairo::Context> cr) :
+        should_get_x_events(true),
+        current_bg(0.0, 0.0, 0.0),
+        sel_bg(0.0, 0.0, 0.0),
+        bg(0.0, 0.0, 0.0),
+        cr(cr)
+    {}
+
+    virtual ~Button() {}
+
+    void on_draw() {
+        cr->save();
+        cr->set_source_rgb(current_bg.r, current_bg.g, current_bg.b);
+        if (border_radius > 0) {
+            double aspect = 1.0;
+            double radius = border_radius / aspect;
+            double degrees = M_PI / 180.0;
+
+            cr->begin_new_sub_path();
+            cr->arc(x + w - radius, y + radius, radius, -90 * degrees, 0 * degrees);
+            cr->arc(x + w - radius, y + h - radius, radius, 0 * degrees, 90 * degrees);
+            cr->arc(x + radius, y + h - radius, radius, 90 * degrees, 180 * degrees);
+            cr->arc(x + radius, y + radius, radius, 180 * degrees, 270 * degrees);
+            cr->close_path();
+        } else {
+            cr->rectangle(x, y, w, h);
+        }
+        cr->fill();
+        cr->restore();
+    }
+
+    void handle_event(XEvent *e) {
+        char keybuf[8];
+        KeySym key;
+
+        switch (e->type) {
+            case MotionNotify:
+                bool is_hot_now = Blit::collide_point_rect(x, y, w, h, e->xmotion.x, e->xmotion.y);
+                if (!is_hot && is_hot_now) { // just became hot
+                    set_current_bg(sel_bg);
+                    is_hot = true;
+                } else if (is_hot && !is_hot_now) { // just became not hot
+                    set_current_bg(bg);
+                    is_hot = false;
+                }
+                break;
+        }
+    }
+
+    void set_x(double val) {
+        x = val;
+        draw();
+    }
+    void set_y(double val) {
+        y = val;
+        draw();
+    }
+    void set_w(double val) {
+        w = val;
+        draw();
+    }
+    void set_h(double val) {
+        h = val;
+        draw();
+    }
+    void set_border_radius(double val) {
+        border_radius = val;
+        draw();
+    }
+    void set_current_bg(Blit::RGB val) {
+        current_bg = val;
+        draw();
+    }
+};
+
+}
+
+int main() {
+    std::string text = "click me now";
+    XEvent e;
+    PangoFontDescription *font_description = pango_font_description_new();
+
+    pango_font_description_set_family(font_description, "sans-serif");
+    pango_font_description_set_weight(font_description, PANGO_WEIGHT_NORMAL);
+    pango_font_description_set_absolute_size(font_description, 16 * PANGO_SCALE);
+
+    Blit::Window window(800, 600);
+    Blit::Button button(window.cr);
+    Blit::Text button_text(window.cr, text, font_description);
+
+    button.x = 20.0;
+    button.y = 20.0;
+    button.w = 100.0;
+    button.h = 30.0;
+    button.border_radius = 0.0;
+    button.bg = Blit::RGB(1.0, 0.0, 0.0);
+    button.sel_bg = Blit::RGB(0.0, 1.0, 0.0);
+
+    button_text.x = button.x;
+    button_text.y = button.y;
+    button_text.box_x = button.x;
+    button_text.box_y = button.y;
+    button_text.box_w = button.w;
+    button_text.box_h = button.h;
+    button_text.fg = Blit::RGB(1.0, 1.0, 1.0);
+    button_text.text_align = Blit::TextAlign::TEXT_ALIGN_CENTER;
+    
+    button.bind_element(button_text);
+
+    window.attach_element(&button);
+    window.attach_element(&button_text);
+
+    for (;;) {
+        XNextEvent(window.dsp, &e);
+        window.handle_x_event(&e);
+    }
+
+    return 0;
+}

src/main.cpp

@@ -1,342 +1,11 @@
-#include <string>
-#include <vector>
 #include <iostream>
-#include <cairomm-1.0/cairomm/xlib_surface.h>
+#include "Window.hpp"
-#include <cairomm-1.0/cairomm/context.h>
-#include <cairomm-1.0/cairomm/surface.h>
-#include <pango/pangocairo.h>
-
-
-void panic(int exit_code, const char *message) {
-    fputs(message, stderr);
-    exit(exit_code);
-}
-
-namespace Blit {
-
-bool collide_point_rect(double x, double y, double w, double h, double x1, double y1) {
-    return x1 >= x && x + w >= x1 &&
-        y1 >= y && y + h >= y1;
-}
-
-
-enum TextAlign {
-    TEXT_ALIGN_NONE,
-    TEXT_ALIGN_CENTER_LEFT,
-    TEXT_ALIGN_CENTER
-};
-
-
-class RGB {
-public:
-    double r, g, b;
-public:
-    RGB(double r, double g, double b) : r(r), g(g), b(b) {
-
-    }
-};
-
-
-class BaseElement {
-public:
-    BaseElement() {}
-    virtual ~BaseElement() {}
-
-    bool should_get_x_events = true;
-    virtual void draw() = 0;
-    virtual void handle_event(XEvent *e) = 0;
-};
-
-
-class Window {
-public:
-    Cairo::RefPtr<Cairo::Context> cr;
-    Display *dsp;
-private:
-    std::vector<Blit::BaseElement *> m_attached_elements;
-public:
-    Window(int x, int y)
-    {
-        Drawable da;
-        int screen;
-
-        if ((dsp = XOpenDisplay(NULL)) == NULL)
-            panic(1, "Failed to open display");
-
-        screen = DefaultScreen(dsp);
-        da = XCreateSimpleWindow(dsp, DefaultRootWindow(dsp), 0, 0, x, y, 0, 0, 0);
-        XSelectInput(dsp, da, ButtonPressMask | ButtonReleaseMask | KeyPressMask | PointerMotionMask);
-        XMapWindow(dsp, da);
-
-        auto x_surface = Cairo::XlibSurface::create(
-            dsp,
-            da,
-            DefaultVisual(dsp, screen),
-            x,
-            y
-        );
-        cr = Cairo::Context::create(x_surface);
-    }
-
-    void attach_element_init(Blit::BaseElement *element) {
-        m_attached_elements.push_back(element);
-    }
-
-    void attach_element(Blit::BaseElement *element) {
-        m_attached_elements.push_back(element);
-        element->draw();
-    }
-
-    void redraw_all() {
-        for (Blit::BaseElement * element : m_attached_elements) {
-            element->draw();
-        }
-    }
-
-    void handle_x_event(XEvent *e) {
-        for (Blit::BaseElement * element : m_attached_elements) {
-            if (element->should_get_x_events)
-                element->handle_event(e);
-        }
-    }
-};
-
-
-class Text : public BaseElement {
-public:
-    PangoFontDescription *font_description;
-    bool should_get_x_events = false;
-    Blit::TextAlign text_align = Blit::TextAlign::TEXT_ALIGN_NONE;
-    double x, y, box_x, box_y, box_w, box_h = 0;
-    std::string text;
-    Blit::RGB fg;
-
-    Cairo::RefPtr<Cairo::Context> cr;
-public:
-    Text(Cairo::RefPtr<Cairo::Context> cr, std::string& text, PangoFontDescription *font_description) :
-        cr(cr),
-        text(text),
-        font_description(font_description),
-        fg(0.0, 0.0, 0.0)
-    {}
-
-    virtual ~Text() {}
-
-    void draw() {
-        cr->save();
-        cr->set_source_rgb(fg.r, fg.g, fg.b);
-
-        if (text_align == Blit::TextAlign::TEXT_ALIGN_NONE) {
-            PangoLayout *layout = pango_cairo_create_layout(cr->cobj());
-            pango_layout_set_font_description(layout, font_description);
-            pango_layout_set_text(layout, text.c_str(), -1);
-            cr->move_to(x, y);
-            pango_cairo_show_layout(cr->cobj(), layout);
-            g_object_unref(layout);
-        } else if (text_align == Blit::TextAlign::TEXT_ALIGN_CENTER_LEFT) {
-            PangoLayout *layout = pango_cairo_create_layout(cr->cobj());
-            int font_width;
-            int font_height;
-
-            pango_layout_set_font_description(layout, font_description);
-            pango_layout_set_text(layout, text.c_str(), -1);
-            pango_layout_get_pixel_size(layout, &font_width, &font_height);
-
-            double x = box_x + ((box_w - font_width) / 2);
-            double y = box_y + ((box_h - font_height) / 2);
-
-            // TODO: unhardcode the padding
-            x = box_x + 4;
-
-            cr->move_to(x, y);
-            pango_cairo_show_layout(cr->cobj(), layout);
-            g_object_unref(layout);
-        } else if (text_align == Blit::TextAlign::TEXT_ALIGN_CENTER) {
-            PangoLayout *layout = pango_cairo_create_layout(cr->cobj());
-            int font_width;
-            int font_height;
-
-            pango_layout_set_font_description(layout, font_description);
-            pango_layout_set_text(layout, text.c_str(), -1);
-            pango_layout_get_pixel_size(layout, &font_width, &font_height);
-
-            double x = box_x + ((box_w - font_width) / 2);
-            double y = box_y + ((box_h - font_height) / 2);
-
-            cr->move_to(x, y);
-            pango_cairo_show_layout(cr->cobj(), layout);
-            g_object_unref(layout);
-        }
-
-        cr->fill();
-        cr->restore();
-    }
-
-    void handle_event(XEvent *e) {}
-
-    void set_x(double val) {
-        x = val;
-        draw();
-    }
-    void set_y(double val) {
-        y = val;
-        draw();
-    }
-    void set_box_x(double val) {
-        box_x = val;
-        draw();
-    }
-    void set_box_y(double val) {
-        box_y = val;
-        draw();
-    }
-    void set_box_w(double val) {
-        box_w = val;
-        draw();
-    }
-    void set_box_h(double val) {
-        box_h = val;
-        draw();
-    }
-    void set_text(std::string& text) {
-        text = text;
-        draw();
-    }
-    void set_text_align(Blit::TextAlign val) {
-        text_align = val;
-        draw();
-    }
-    void set_current_fg(Blit::RGB val) {
-        fg = val;
-        draw();
-    }
-};
-
-
-class Button : public BaseElement {
-public:
-    bool should_get_x_events = true;
-    double x, y, w, h, border_radius = 0;
-    Blit::RGB current_bg, bg, sel_bg;
-
-    bool is_hot, is_active = false;
-
-    Cairo::RefPtr<Cairo::Context> cr;
-public:
-    Button(Cairo::RefPtr<Cairo::Context> cr) :
-        should_get_x_events(true),
-        current_bg(0.0, 0.0, 0.0),
-        sel_bg(0.0, 0.0, 0.0),
-        bg(0.0, 0.0, 0.0),
-        cr(cr)
-    {}
-
-    virtual ~Button() {}
-
-    void draw() {
-        cr->save();
-        cr->set_source_rgb(current_bg.r, current_bg.g, current_bg.b);
-        if (border_radius > 0) {
-            double aspect = 1.0;
-            double radius = border_radius / aspect;
-            double degrees = M_PI / 180.0;
-
-            cr->begin_new_sub_path();
-            cr->arc(x + w - radius, y + radius, radius, -90 * degrees, 0 * degrees);
-            cr->arc(x + w - radius, y + h - radius, radius, 0 * degrees, 90 * degrees);
-            cr->arc(x + radius, y + h - radius, radius, 90 * degrees, 180 * degrees);
-            cr->arc(x + radius, y + radius, radius, 180 * degrees, 270 * degrees);
-            cr->close_path();
-        } else {
-            cr->rectangle(x, y, w, h);
-        }
-        cr->fill();
-        cr->restore();
-    }
-
-    void handle_event(XEvent *e) {
-        char keybuf[8];
-        KeySym key;
-
-        switch (e->type) {
-            case MotionNotify:
-                bool is_hot_now = Blit::collide_point_rect(x, y, w, h, e->xmotion.x, e->xmotion.y);
-                if (!is_hot && is_hot_now) { // just became hot
-                    set_current_bg(sel_bg);
-                    is_hot = true;
-                } else if (is_hot && !is_hot_now) { // just became not hot
-                    set_current_bg(bg);
-                    is_hot = false;
-                }
-                break;
-        }
-    }
-
-    void set_x(double val) {
-        x = val;
-        draw();
-    }
-    void set_y(double val) {
-        y = val;
-        draw();
-    }
-    void set_w(double val) {
-        w = val;
-        draw();
-    }
-    void set_h(double val) {
-        h = val;
-        draw();
-    }
-    void set_border_radius(double val) {
-        border_radius = val;
-        draw();
-    }
-    void set_current_bg(Blit::RGB val) {
-        current_bg = val;
-        draw();
-    }
-};
-
-}
 
 int main() {
-    std::string text = "click me now";
+    Raven::Window window{};
-    XEvent e;
-    PangoFontDescription *font_description = pango_font_description_new();
 
-    pango_font_description_set_family(font_description, "sans-serif");
+    window.spawn_window();    
-    pango_font_description_set_weight(font_description, PANGO_WEIGHT_NORMAL);
+    for(;;){}
-    pango_font_description_set_absolute_size(font_description, 16 * PANGO_SCALE);
-
-    Blit::Window window(800, 600);
-    Blit::Button button(window.cr);
-    Blit::Text button_text(window.cr, text, font_description);
-
-    button.x = 20.0;
-    button.y = 20.0;
-    button.w = 100.0;
-    button.h = 30.0;
-    button.border_radius = 0.0;
-    button.bg = Blit::RGB(1.0, 0.0, 0.0);
-    button.sel_bg = Blit::RGB(0.0, 1.0, 0.0);
-
-    button_text.x = button.x;
-    button_text.y = button.y;
-    button_text.box_x = button.x;
-    button_text.box_y = button.y;
-    button_text.box_w = button.w;
-    button_text.box_h = button.h;
-    button_text.fg = Blit::RGB(1.0, 1.0, 1.0);
-    button_text.text_align = Blit::TextAlign::TEXT_ALIGN_CENTER;
-    
-    window.attach_element(&button);
-    window.attach_element(&button_text);
-
-    for (;;) {
-        XNextEvent(window.dsp, &e);
-        window.handle_x_event(&e);
-    }
 
     return 0;
 }