mirror of
https://github.com/SerenityOS/serenity
synced 2024-10-04 15:09:40 +00:00
More hacking on Widgets.
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parent
aee66e0119
commit
f337616741
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@ -27,12 +27,15 @@ AbstractScreen::~AbstractScreen()
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void AbstractScreen::event(Event& event)
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{
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if (event.type() == Event::MouseMove) {
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if (event.type() == Event::MouseMove
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|| event.type() == Event::MouseDown
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|| event.type() == Event::MouseUp) {
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auto& me = static_cast<MouseEvent&>(event);
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printf("AbstractScreen::onMouseMove: %d, %d\n", me.x(), me.y());
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//printf("AbstractScreen::onMouseMove: %d, %d\n", me.x(), me.y());
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auto result = m_rootWidget->hitTest(me.x(), me.y());
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printf("hit test for %d,%d found: %s{%p} %d,%d\n", me.x(), me.y(), result.widget->className(), result.widget, result.localX, result.localY);
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//printf("hit test for %d,%d found: %s{%p} %d,%d\n", me.x(), me.y(), result.widget->className(), result.widget, result.localX, result.localY);
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auto localEvent = make<MouseEvent>(event.type(), result.localX, result.localY, me.button());
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result.widget->event(*localEvent);
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}
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}
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39
Widgets/Button.cpp
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39
Widgets/Button.cpp
Normal file
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@ -0,0 +1,39 @@
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#include "Button.h"
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#include "Painter.h"
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#include <cstdio>
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Button::Button(Widget* parent)
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: Widget(parent)
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{
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}
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Button::~Button()
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{
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}
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void Button::setCaption(String&& caption)
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{
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if (caption == m_caption)
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return;
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m_caption = std::move(caption);
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update();
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}
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void Button::onPaint(PaintEvent&)
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{
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Painter painter(*this);
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painter.fillRect({ 0, 0, width(), height() }, backgroundColor());
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if (!caption().isEmpty()) {
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painter.drawText({ 0, 0, width(), height() }, caption(), Painter::TextAlignment::Center, Color(0, 0, 0));
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}
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}
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void Button::onMouseDown(MouseEvent& event)
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{
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printf("Button::onMouseDown: x=%d, y=%d, button=%u\n", event.x(), event.y(), (unsigned)event.button());
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setBackgroundColor(Color(0xff, 0xc0, 0xc0));
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update();
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Widget::onMouseDown(event);
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}
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22
Widgets/Button.h
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22
Widgets/Button.h
Normal file
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@ -0,0 +1,22 @@
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#pragma once
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#include "Widget.h"
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#include <AK/String.h>
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class Button final : public Widget {
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public:
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explicit Button(Widget* parent);
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virtual ~Button() override;
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String caption() const { return m_caption; }
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void setCaption(String&&);
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private:
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virtual void onPaint(PaintEvent&) override;
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virtual void onMouseDown(MouseEvent&) override;
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virtual const char* className() const override { return "Button"; }
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String m_caption;
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};
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@ -79,6 +79,7 @@ public:
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enum class MouseButton : byte {
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None = 0,
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Left,
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Middle,
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Right,
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};
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@ -12,6 +12,19 @@ EventLoopSDL::~EventLoopSDL()
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{
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}
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static inline MouseButton toMouseButton(byte sdlButton)
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{
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printf("sdlbutton = %u\n", sdlButton);
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if (sdlButton == 1)
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return MouseButton::Left;
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if (sdlButton == 2)
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return MouseButton::Middle;
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if (sdlButton == 3)
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return MouseButton::Right;
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ASSERT_NOT_REACHED();
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return MouseButton::None;
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}
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void EventLoopSDL::waitForEvent()
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{
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SDL_Event sdlEvent;
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@ -30,6 +43,9 @@ void EventLoopSDL::waitForEvent()
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case SDL_MOUSEMOTION:
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postEvent(&AbstractScreen::the(), make<MouseEvent>(Event::MouseMove, sdlEvent.motion.x, sdlEvent.motion.y));
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return;
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case SDL_MOUSEBUTTONDOWN:
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postEvent(&AbstractScreen::the(), make<MouseEvent>(Event::MouseDown, sdlEvent.button.x, sdlEvent.button.y, toMouseButton(sdlEvent.button.button)));
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return;
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}
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}
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}
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@ -24,7 +24,7 @@ void Label::onPaint(PaintEvent&)
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Painter painter(*this);
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painter.fillRect({ 0, 0, width(), height() }, Color(0x0, 0x0, 0x0));
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if (!text().isEmpty())
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painter.drawText({ 4, 4 }, text(), Color(0xff, 0xff, 0xff));
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painter.drawText({ 4, 4, width(), height() }, text(), Painter::TextAlignment::TopLeft, Color(0xff, 0xff, 0xff));
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}
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void Label::onMouseMove(MouseEvent& event)
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@ -17,6 +17,7 @@ VFS_OBJS = \
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ColorSDL.o \
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Painter.o \
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Label.o \
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Button.o \
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test.o
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OBJS = $(AK_OBJS) $(VFS_OBJS)
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@ -35,24 +35,32 @@ void Painter::fillRect(const Rect& rect, Color color)
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}
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}
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void Painter::drawText(const Point& point, const String& text, const Color& color)
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void Painter::drawText(const Rect& rect, const String& text, TextAlignment alignment, const Color& color)
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{
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Point p = point;
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p.moveBy(m_widget.x(), m_widget.y());
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Point point;
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if (alignment == TextAlignment::TopLeft) {
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point = rect.location();
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point.moveBy(m_widget.x(), m_widget.y());;
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} else if (alignment == TextAlignment::Center) {
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int textWidth = text.length() * Peanut8x8::fontWidth;
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point = rect.center();
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point.moveBy(-(textWidth / 2), -(Peanut8x8::fontWidth / 2));
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point.moveBy(m_widget.x(), m_widget.y());
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} else {
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ASSERT_NOT_REACHED();
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}
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byte fontWidth = 8;
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byte fontHeight = 8;
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for (int row = 0; row < fontHeight; ++row) {
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int y = p.y() + row;
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for (int row = 0; row < Peanut8x8::fontHeight; ++row) {
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int y = point.y() + row;
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dword* bits = scanline(y);
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for (unsigned i = 0; i < text.length(); ++i) {
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if (text[i] == ' ')
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continue;
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const char* fontCharacter = Peanut8x8::font[text[i] - Peanut8x8::firstCharacter];
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int x = p.x() + i * fontWidth;
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for (unsigned j = 0; j < fontWidth; ++j) {
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char fc = fontCharacter[row * fontWidth + j];
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int x = point.x() + i * Peanut8x8::fontWidth;
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for (unsigned j = 0; j < Peanut8x8::fontWidth; ++j) {
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char fc = fontCharacter[row * Peanut8x8::fontWidth + j];
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if (fc == '#')
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bits[x + j] = color.value();
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}
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@ -9,10 +9,11 @@ class Widget;
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class Painter {
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public:
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enum class TextAlignment { TopLeft, Center };
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explicit Painter(Widget&);
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~Painter();
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void fillRect(const Rect&, Color);
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void drawText(const Point&, const String&, const Color& = Color());
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void drawText(const Rect&, const String&, TextAlignment = TextAlignment::TopLeft, const Color& = Color());
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private:
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Widget& m_widget;
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@ -3,6 +3,8 @@
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namespace Peanut8x8 {
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static constexpr char firstCharacter = '!';
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static constexpr byte fontWidth = 8;
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static constexpr byte fontHeight = 8;
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static constexpr const char* font[] {
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@ -17,6 +17,11 @@ public:
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m_location.moveBy(dx, dy);
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}
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Point center() const
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{
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return { x() + width() / 2, y() + height() / 2 };
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}
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bool contains(int x, int y) const
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{
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return x >= m_location.x() && x <= right() && y >= m_location.y() && y <= bottom();
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@ -14,7 +14,7 @@ void RootWidget::onPaint(PaintEvent& event)
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{
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printf("RootWidget::onPaint\n");
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Painter painter(*this);
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painter.fillRect(Rect(0, 0, 800, 600), Color(0x80, 0x80, 0x80));
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painter.fillRect(Rect(0, 0, 800, 600), Color(0x40, 0x40, 0x40));
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Widget::onPaint(event);
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}
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@ -6,6 +6,8 @@
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Widget::Widget(Widget* parent)
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: Object(parent)
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{
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m_backgroundColor = Color(255, 255, 255);
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m_foregroundColor = Color(0, 0, 0);
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}
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Widget::~Widget()
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@ -3,6 +3,7 @@
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#include "Event.h"
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#include "Object.h"
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#include "Rect.h"
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#include "Color.h"
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class Widget : public Object {
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public:
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void setRect(const Rect&);
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Color backgroundColor() const { return m_backgroundColor; }
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Color foregroundColor() const { return m_foregroundColor; }
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void setBackgroundColor(Color color) { m_backgroundColor = color; }
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void setForegroundColor(Color color) { m_foregroundColor = color; }
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private:
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Rect m_rect;
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Color m_backgroundColor;
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Color m_foregroundColor;
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};
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@ -2,6 +2,7 @@
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#include "EventLoopSDL.h"
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#include "RootWidget.h"
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#include "Label.h"
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#include "Button.h"
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#include <cstdio>
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int main(int c, char** v)
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@ -30,7 +31,13 @@ int main(int c, char** v)
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l4->setRect(Rect(100, 160, 300, 20));
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l4->setText("!\"#$%&'()*+,-./:;<=>?@[\\]^_{|}~");
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//l5->setText("Welcome to the Serenity Operating System");
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auto* l5 = new Label(&w);
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l5->setRect(Rect(200, 200, 400, 50));
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l5->setText("Welcome to the Serenity Operating System");
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auto* b = new Button(&w);
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b->setRect(Rect(10, 10, 100, 30));
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b->setCaption("Button!");
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return loop.exec();
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}
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