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Don't call layout() for each mouse move to preview Workspace drop area

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This commit is contained in:
David Capello 2015-03-27 18:45:36 -03:00
parent 47948ee888
commit 43f992bf8d
2 changed files with 68 additions and 34 deletions
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96
src/app/ui/workspace.cpp
View File

@ -30,7 +30,7 @@ Workspace::Workspace()
: Widget(kGenericWidget)
, m_tabsBar(nullptr)
, m_activeView(nullptr)
, m_dropPreview(false)
, m_dropArea(0)
{
SkinTheme* theme = static_cast<SkinTheme*>(getTheme());
setBgColor(theme->colors.workspace());
@ -105,54 +105,86 @@ void Workspace::onResize(ui::ResizeEvent& ev)
{
setBoundsQuietly(ev.getBounds());
gfx::Rect cpos = getChildrenBounds();
gfx::Rect rc = getChildrenBounds();
// Preview to drop tabs in workspace
if (m_dropPreview && cpos.contains(m_dropPos)) {
int left = ABS(cpos.x - m_dropPos.x);
int top = ABS(cpos.y - m_dropPos.y);
int right = ABS(cpos.x + cpos.w - m_dropPos.x);
int bottom = ABS(cpos.y + cpos.h - m_dropPos.y);
int threshold = 32*guiscale();
if (threshold > cpos.w/2) threshold = cpos.w/2;
if (threshold > cpos.h/2) threshold = cpos.h/2;
if (left < threshold && left < right && left < top && left < bottom) {
cpos.x += threshold;
cpos.w -= threshold;
}
else if (top < threshold && top < left && top < right && top < bottom) {
cpos.y += threshold;
cpos.h -= threshold;
}
else if (right < threshold && right < left && right < top && right < bottom) {
cpos.w -= threshold;
}
else if (bottom < threshold && bottom < left && bottom < top && bottom < right) {
cpos.h -= threshold;
}
int threshold = getDropThreshold();
switch (m_dropArea) {
case JI_LEFT:
rc.x += threshold;
rc.w -= threshold;
break;
case JI_TOP:
rc.y += threshold;
rc.h -= threshold;
break;
case JI_RIGHT:
rc.w -= threshold;
break;
case JI_BOTTOM:
rc.h -= threshold;
break;
}
for (Widget* child : getChildren())
child->setBounds(cpos);
child->setBounds(rc);
}
void Workspace::setDropViewPreview(const gfx::Point& pos)
{
m_dropPos = pos;
m_dropPreview = true;
layout();
int newDropArea = calculateDropArea(pos);
if (newDropArea != m_dropArea) {
m_dropArea = newDropArea;
layout();
}
}
void Workspace::removeDropViewPreview(const gfx::Point& pos)
{
m_dropPreview = false;
layout();
if (m_dropArea) {
m_dropArea = 0;
layout();
}
}
void Workspace::dropViewAt(const gfx::Point& pos, WorkspaceView* view)
{
}
int Workspace::calculateDropArea(const gfx::Point& pos) const
{
gfx::Rect rc = getChildrenBounds();
if (rc.contains(pos)) {
int left = ABS(rc.x - pos.x);
int top = ABS(rc.y - pos.y);
int right = ABS(rc.x + rc.w - pos.x);
int bottom = ABS(rc.y + rc.h - pos.y);
int threshold = getDropThreshold();
if (left < threshold && left < right && left < top && left < bottom) {
return JI_LEFT;
}
else if (top < threshold && top < left && top < right && top < bottom) {
return JI_TOP;
}
else if (right < threshold && right < left && right < top && right < bottom) {
return JI_RIGHT;
}
else if (bottom < threshold && bottom < left && bottom < top && bottom < right) {
return JI_BOTTOM;
}
}
return 0;
}
int Workspace::getDropThreshold() const
{
gfx::Rect cpos = getChildrenBounds();
int threshold = 32*guiscale();
if (threshold > cpos.w/2) threshold = cpos.w/2;
if (threshold > cpos.h/2) threshold = cpos.h/2;
return threshold;
}
} // namespace app

6
src/app/ui/workspace.h
View File

@ -52,11 +52,13 @@ namespace app {
void onResize(ui::ResizeEvent& ev) override;
private:
int calculateDropArea(const gfx::Point& pos) const;
int getDropThreshold() const;
Tabs* m_tabsBar;
WorkspaceViews m_views;
WorkspaceView* m_activeView;
bool m_dropPreview;
gfx::Point m_dropPos;
int m_dropArea;
};
} // namespace app