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2def3d8d3f
My needs are really quite simple, so I'm just going to add what I need as I go along. The first thing I needed was a simple box layout with widgets being able to say whether they prefer fixed or fill for both their vertical and horizontal sizes. I also made a simple GStatusBar so FileManager can show how many bytes worth of files are in the current directory.
90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
#include <LibGUI/GBoxLayout.h>
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#include <LibGUI/GWidget.h>
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GBoxLayout::GBoxLayout(Orientation orientation)
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: m_orientation(orientation)
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{
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}
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GBoxLayout::~GBoxLayout()
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{
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}
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#if 0
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Size GLayout::compute_preferred_size() const
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{
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}
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static Size compute_preferred_size(GLayout::Entry& entry)
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{
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if (entry.layout)
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return entry.layout->compute_preferred_size();
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else {
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return entry.widget->preferred_size();
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}
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}
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#endif
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void GBoxLayout::run(GWidget& widget)
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{
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if (m_entries.is_empty())
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return;
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Size available_size = widget.size();
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int number_of_entries_with_fixed_size = 0;
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for (auto& entry : m_entries) {
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if (entry.widget && entry.widget->size_policy(orientation()) == SizePolicy::Fixed) {
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available_size -= entry.widget->preferred_size();
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++number_of_entries_with_fixed_size;
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}
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}
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int number_of_entries_with_automatic_size = m_entries.size() - number_of_entries_with_fixed_size;
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dbgprintf("GBoxLayout: available_size=%d, fixed=%d, fill=%d\n", available_size.height(), number_of_entries_with_fixed_size, number_of_entries_with_automatic_size);
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Size automatic_size;
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if (m_orientation == Orientation::Horizontal) {
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automatic_size.set_width(available_size.width() / number_of_entries_with_automatic_size);
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automatic_size.set_height(widget.height());
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} else {
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automatic_size.set_width(widget.width());
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automatic_size.set_height(available_size.height() / number_of_entries_with_automatic_size);
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}
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dbgprintf("GBoxLayout: automatic_size=%s\n", automatic_size.to_string().characters());
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int current_x = 0;
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int current_y = 0;
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for (auto& entry : m_entries) {
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Rect rect(current_x, current_y, 0, 0);
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if (entry.layout) {
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// FIXME: Implement recursive layout.
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ASSERT_NOT_REACHED();
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}
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ASSERT(entry.widget);
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if (entry.widget->size_policy(orientation()) == SizePolicy::Fixed) {
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rect.set_size(automatic_size);
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if (orientation() == Orientation::Vertical) {
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rect.set_height(entry.widget->preferred_size().height());
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} else {
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rect.set_width(entry.widget->preferred_size().height());
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}
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} else {
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rect.set_size(automatic_size);
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}
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dbgprintf("GBoxLayout: apply, %s{%p} <- %s\n", entry.widget->class_name(), entry.widget.ptr(), rect.to_string().characters());
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entry.widget->set_relative_rect(rect);
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if (orientation() == Orientation::Horizontal)
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current_x += rect.width();
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else
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current_y += rect.height();
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}
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}
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