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Code Issues Activity Actions

FontEditor: Don't put invalid clicks on the undo stack

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This commit is contained in:
thankyouverycool 2021-04-26 09:13:51 -04:00 • committed by Andreas Kling
parent 8febfb169d
commit ed634a4582
2 changed files with 20 additions and 3 deletions
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21
Userland/Applications/FontEditor/GlyphEditorWidget.cpp
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@ -157,11 +157,23 @@ void GlyphEditorWidget::paint_event(GUI::PaintEvent& event)
}
}
bool GlyphEditorWidget::is_glyph_empty()
{
auto bitmap = font().glyph(m_glyph).glyph_bitmap();
for (int x = 0; x < bitmap.width(); x++)
for (int y = 0; y < bitmap.height(); y++)
if (bitmap.bit_at(x, y))
return false;
return true;
}
void GlyphEditorWidget::mousedown_event(GUI::MouseEvent& event)
{
if (!(font().raw_glyph_width(m_glyph) > 0))
if ((event.x() - 1) / m_scale + 1 > font().raw_glyph_width(m_glyph))
return;
if (mode() == Move && is_glyph_empty())
return;
m_is_clicking_valid_cell = true;
if (on_undo_event)
on_undo_event(false);
if (mode() == Paint) {
@ -180,13 +192,16 @@ void GlyphEditorWidget::mousedown_event(GUI::MouseEvent& event)
void GlyphEditorWidget::mouseup_event(GUI::MouseEvent&)
{
if (!m_is_clicking_valid_cell)
return;
m_is_clicking_valid_cell = false;
if (on_undo_event)
on_undo_event(true);
}
void GlyphEditorWidget::mousemove_event(GUI::MouseEvent& event)
{
if (!(font().raw_glyph_width(m_glyph) > 0))
if (!m_is_clicking_valid_cell)
return;
if (!(event.buttons() & (GUI::MouseButton::Left | GUI::MouseButton::Right)))
return;