Move Widget & friends into LibGUI.

2026-02-04 23:07:16 +00:00 · 2019-01-19 23:49:56 +01:00
parent 7e5b81fe48
commit a026da47e7
29 changed files with 73 additions and 551 deletions
--- a/LibGUI/Button.cpp
+++ b/LibGUI/Button.cpp
@@ -0,0 +1,89 @@
+#include "Button.h"
+#include <SharedGraphics/Painter.h>
+
+Button::Button(Widget* parent)
+    : Widget(parent)
+{
+    setFillWithBackgroundColor(false);
+}
+
+Button::~Button()
+{
+}
+
+void Button::setCaption(String&& caption)
+{
+    if (caption == m_caption)
+        return;
+    m_caption = move(caption);
+    update();
+}
+
+void Button::paintEvent(PaintEvent&)
+{
+    Color buttonColor = Color::LightGray;
+    Color highlightColor = Color::White;
+    Color shadowColor = Color(96, 96, 96);
+
+    Painter painter(*this);
+
+    painter.draw_line({ 1, 0 }, { width() - 2, 0 }, Color::Black);
+    painter.draw_line({ 1, height() - 1 }, { width() - 2, height() - 1}, Color::Black);
+    painter.draw_line({ 0, 1 }, { 0, height() - 2 }, Color::Black);
+    painter.draw_line({ width() - 1, 1 }, { width() - 1, height() - 2 }, Color::Black);
+
+    if (m_beingPressed) {
+        // Base
+        painter.fill_rect({ 1, 1, width() - 2, height() - 2 }, buttonColor);
+
+        // Sunken shadow
+        painter.draw_line({ 1, 1 }, { width() - 2, 1 }, shadowColor);
+        painter.draw_line({ 1, 2 }, {1, height() - 2 }, shadowColor);
+    } else {
+        // Base
+        painter.fill_rect({ 3, 3, width() - 5, height() - 5 }, buttonColor);
+
+        // White highlight
+        painter.draw_line({ 1, 1 }, { width() - 2, 1 }, highlightColor);
+        painter.draw_line({ 1, 2 }, { width() - 3, 2 }, highlightColor);
+        painter.draw_line({ 1, 3 }, { 1, height() - 2 }, highlightColor);
+        painter.draw_line({ 2, 3 }, { 2, height() - 3 }, highlightColor);
+
+        // Gray shadow 
+        painter.draw_line({ width() - 2, 1 }, { width() - 2, height() - 4 }, shadowColor);
+        painter.draw_line({ width() - 3, 2 }, { width() - 3, height() - 4 }, shadowColor);
+        painter.draw_line({ 1, height() - 2 }, { width() - 2, height() - 2 }, shadowColor);
+        painter.draw_line({ 2, height() - 3 }, { width() - 2, height() - 3 }, shadowColor);
+    }
+
+    if (!caption().is_empty()) {
+        auto textRect = rect();
+        if (m_beingPressed)
+            textRect.move_by(1, 1);
+        painter.draw_text(textRect, caption(), Painter::TextAlignment::Center, Color::Black);
+    }
+}
+
+void Button::mouseDownEvent(MouseEvent& event)
+{
+    dbgprintf("Button::mouseDownEvent: x=%d, y=%d, button=%u\n", event.x(), event.y(), (unsigned)event.button());
+
+    m_beingPressed = true;
+
+    update();
+    Widget::mouseDownEvent(event);
+}
+
+void Button::mouseUpEvent(MouseEvent& event)
+{
+    dbgprintf("Button::mouseUpEvent: x=%d, y=%d, button=%u\n", event.x(), event.y(), (unsigned)event.button());
+
+    m_beingPressed = false;
+
+    update();
+    Widget::mouseUpEvent(event);
+
+    if (onClick)
+        onClick(*this);
+}
+