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compress resize signals

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typically buttons will call for this quite some, eg. when switching
workspace or (now) when altering the focused window. This compresses
various changes happening at the same time and re-layout the toolbar
only once for them
This commit is contained in:
Thomas Lübking 2016-09-24 19:36:09 +02:00
parent 7d30d0007d
commit 93a91904e6
2 changed files with 17 additions and 3 deletions
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16
src/IconbarTool.cc
View file

@ -287,6 +287,12 @@ IconbarTool::IconbarTool(const FbTk::FbWindow &parent, IconbarTheme &theme,
FbTk::MemFun(*this, &IconbarTool::themeReconfigured));
m_tracker.join(screen.reconfigureSig(),
FbTk::MemFunIgnoreArgs(*this, &IconbarTool::updateIconifiedPattern));
m_resizeSig_timer.setTimeout(100 * FbTk::FbTime::IN_MILLISECONDS);
m_resizeSig_timer.fireOnce(true);
FbTk::RefCount<FbTk::Command<void> > ers(new FbTk::SimpleCommand<IconbarTool>(*this, &IconbarTool::emitResizeSig));
m_resizeSig_timer.setCommand(ers);
themeReconfigured();
}
@ -360,7 +366,7 @@ void IconbarTool::setMode(string mode) {
}
reset();
resizeSig().emit();
m_resizeSig_timer.start();
// unlock graphics update
m_icon_container.setUpdateLock(false);
@ -372,6 +378,10 @@ void IconbarTool::setMode(string mode) {
m_menu.reconfigure();
}
void IconbarTool::emitResizeSig() {
resizeSig().emit();
}
unsigned int IconbarTool::width() const {
return m_icon_container.width();
}
@ -427,7 +437,7 @@ void IconbarTool::update(UpdateReason reason, Focusable *win) {
break;
}
resizeSig().emit();
m_resizeSig_timer.start();
const unsigned int maxsize = (m_icon_container.orientation() & 1) ? height() : width();
m_icon_container.setMaxTotalSize(maxsize);
m_icon_container.setMaxSizePerClient(maxsize/std::max(1, m_icon_container.size()));
@ -482,7 +492,7 @@ void IconbarTool::insertWindow(Focusable &win, int pos) {
}
m_icon_container.insertItem(button, pos);
m_tracker.join(button->titleChanged(), FbTk::MemFun(resizeSig(), &FbTk::Signal<>::emit));
m_tracker.join(button->titleChanged(), FbTk::MemFun(m_resizeSig_timer, &FbTk::Timer::start));
}
void IconbarTool::reset() {

4
src/IconbarTool.hh
View file

@ -29,6 +29,7 @@
#include "FbTk/Container.hh"
#include "FbTk/CachedPixmap.hh"
#include "FbTk/Resource.hh"
#include "FbTk/Timer.hh"
#include <map>
@ -104,6 +105,9 @@ private:
void themeReconfigured();
FbTk::Timer m_resizeSig_timer;
void emitResizeSig();
BScreen &m_screen;
FbTk::Container m_icon_container;
IconbarTheme &m_theme;