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- Add KCommonDecoration::isLeft() for Quartz.

Browse source 
- Hide buttons one by another when the window size shrinks below a certain
  width. Implemented so that Quartz doesn't use any functionality, but it's
  quite useful in other decos, too -> enabled by default.
  Minimum size calculation still needs some tweaking...

svn path=/trunk/kdebase/kwin/; revision=399463
This commit is contained in:
Sandro Giessl 2005-03-21 15:47:39 +00:00
parent 6a8e5c41d8
commit f1ad43864f
2 changed files with 97 additions and 14 deletions
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97
lib/kcommondecoration.cpp
View file

@ -63,6 +63,9 @@ bool KCommonDecoration::decorationBehaviour(DecorationBehaviour behaviour) const
case DB_WindowMask:
return false;
case DB_ButtonHide:
return true;
}
return false;
@ -156,13 +159,18 @@ void KCommonDecoration::updateLayout() const
int y = r_y + layoutMetric(LM_TitleEdgeTop);
int x = r_x + layoutMetric(LM_TitleEdgeLeft);
for (ButtonContainer::const_iterator it = m_buttonsLeft.begin(); it != m_buttonsLeft.end(); ++it) {
bool elementLayouted = false;
if (*it) {
moveWidget(x,y, *it);
x += layoutMetric(LM_ButtonWidth, true, ::qt_cast<KCommonDecorationButton*>(*it) );
if (!(*it)->isHidden() ) {
moveWidget(x,y, *it);
x += layoutMetric(LM_ButtonWidth, true, ::qt_cast<KCommonDecorationButton*>(*it) );
elementLayouted = true;
}
} else {
x+= layoutMetric(LM_ExplicitButtonSpacer);
elementLayouted = true;
}
if (it != m_buttonsLeft.end() )
if (elementLayouted && it != m_buttonsLeft.end() )
x += buttonSpacing;
}
}
@ -174,14 +182,18 @@ void KCommonDecoration::updateLayout() const
int y = r_y + layoutMetric(LM_TitleEdgeTop);
int x = titleEdgeRightLeft - buttonContainerWidth(m_buttonsRight);
for (ButtonContainer::const_iterator it = m_buttonsRight.begin(); it != m_buttonsRight.end(); ++it) {
bool elementLayouted = false;
if (*it) {
int buttonWidth = layoutMetric(LM_ButtonWidth, true, ::qt_cast<KCommonDecorationButton*>(*it) );
moveWidget(x,y, *it);
x += buttonWidth;
if (!(*it)->isHidden() ) {
moveWidget(x,y, *it);
x += layoutMetric(LM_ButtonWidth, true, ::qt_cast<KCommonDecorationButton*>(*it) );;
elementLayouted = true;
}
} else {
x += layoutMetric(LM_ExplicitButtonSpacer);
elementLayouted = true;
}
if (it != m_buttonsRight.end() )
if (elementLayouted && it != m_buttonsRight.end() )
x += buttonSpacing;
}
}
@ -220,9 +232,11 @@ void KCommonDecoration::resetLayout()
}
addButtons(m_buttonsLeft,
options()->customButtonPositions() ? options()->titleButtonsLeft() : defaultButtonsLeft() );
options()->customButtonPositions() ? options()->titleButtonsLeft() : defaultButtonsLeft(),
true);
addButtons(m_buttonsRight,
options()->customButtonPositions() ? options()->titleButtonsRight() : defaultButtonsRight() );
options()->customButtonPositions() ? options()->titleButtonsRight() : defaultButtonsRight(),
false);
updateLayout();
}
@ -241,20 +255,26 @@ int KCommonDecoration::buttonContainerWidth(const ButtonContainer &btnContainer)
{
int explicitSpacer = layoutMetric(LM_ExplicitButtonSpacer);
int shownElementsCount = 0;
int w = 0;
for (ButtonContainer::const_iterator it = btnContainer.begin(); it != btnContainer.end(); ++it) {
if (*it) {
w += (*it)->width();
if (!(*it)->isHidden() ) {
w += (*it)->width();
++shownElementsCount;
}
} else {
w += explicitSpacer;
++shownElementsCount;
}
}
w += layoutMetric(LM_ButtonSpacing)*(btnContainer.count()-1);
w += layoutMetric(LM_ButtonSpacing)*(shownElementsCount-1);
return w;
}
void KCommonDecoration::addButtons(ButtonContainer &btnContainer, const QString& s)
void KCommonDecoration::addButtons(ButtonContainer &btnContainer, const QString& s, bool isLeft)
{
if (s.length() > 0) {
for (unsigned n=0; n < s.length(); n++) {
@ -374,6 +394,7 @@ void KCommonDecoration::addButtons(ButtonContainer &btnContainer, const QString&
if (btn) {
btn->setLeft(isLeft);
btn->setSize(QSize(layoutMetric(LM_ButtonWidth, true, btn),layoutMetric(LM_ButtonHeight, true, btn)) );
btn->show();
btnContainer.append(btn);
@ -383,8 +404,47 @@ void KCommonDecoration::addButtons(ButtonContainer &btnContainer, const QString&
}
}
void KCommonDecoration::calcHiddenButtons()
{
//Hide buttons in this order:
//Shade, Below, Above, OnAllDesktops, Help, Maximize, Menu, Minimize, Close.
KCommonDecorationButton* btnArray[] = { m_button[ShadeButton], m_button[BelowButton], m_button[AboveButton],
m_button[OnAllDesktopsButton], m_button[HelpButton], m_button[MaxButton],
m_button[MenuButton], m_button[MinButton], m_button[CloseButton] };
const int buttonsCount = sizeof( btnArray ) / sizeof( btnArray[ 0 ] );
int minwidth = 160; // TODO: calculate a better value taking the button width into account...
int current_width = width();
int count = 0;
int i;
// Find out how many buttons we have to hide.
while (current_width < minwidth && count < buttonsCount)
{
if (btnArray[count] )
current_width += btnArray[count]->width();
count++;
}
// Hide the required buttons...
for(i = 0; i < count; i++)
{
if (btnArray[i] && btnArray[i]->isVisible() )
btnArray[i]->hide();
}
// Show the rest of the buttons...
for(i = count; i < buttonsCount; i++)
{
if (btnArray[i] && (!btnArray[i]->isVisible()) )
btnArray[i]->show();
}
}
void KCommonDecoration::show()
{
if (decorationBehaviour(DB_ButtonHide) )
calcHiddenButtons();
widget()->show();
}
@ -541,6 +601,9 @@ void KCommonDecoration::menuButtonReleased()
void KCommonDecoration::resizeEvent(QResizeEvent */*e*/)
{
if (decorationBehaviour(DB_ButtonHide) )
calcHiddenButtons();
updateLayout();
updateWindowShape();
@ -752,6 +815,16 @@ ButtonType KCommonDecorationButton::type()
return m_type;;
}
bool KCommonDecorationButton::isLeft()
{
return m_isLeft;
}
void KCommonDecorationButton::setLeft(bool left)
{
m_isLeft = left;
}
void KCommonDecorationButton::setRealizeButtons(int btns)
{
m_realizeButtons = btns;

14
lib/kcommondecoration.h
View file

@ -116,7 +116,8 @@ class KWIN_EXPORT KCommonDecoration : public KDecoration
enum DecorationBehaviour
{
DB_MenuClose, ///< Close window on double clicking the menu
DB_WindowMask ///< Set a mask on the window
DB_WindowMask, ///< Set a mask on the window
DB_ButtonHide ///< Hide buttons when there is not enough space in the titlebar
};
enum WindowCorner
@ -255,7 +256,8 @@ class KWIN_EXPORT KCommonDecoration : public KDecoration
typedef QValueVector <KCommonDecorationButton*> ButtonContainer; ///< If the entry is 0, it's a spacer.
int buttonContainerWidth(const ButtonContainer &btnContainer) const;
void addButtons(ButtonContainer &btnContainer, const QString& buttons);
void addButtons(ButtonContainer &btnContainer, const QString& buttons, bool isLeft);
void calcHiddenButtons();
KCommonDecorationButton *m_button[NumButtons];
@ -306,6 +308,11 @@ class KWIN_EXPORT KCommonDecorationButton : public QButton
*/
ButtonType type();
/**
* Whether the button is left of the titlebar or not.
*/
bool isLeft();
/**
* Set which mouse buttons the button should honor. Used e.g. to prevent accidental right mouse clicks.
*/
@ -328,6 +335,7 @@ class KWIN_EXPORT KCommonDecorationButton : public QButton
protected:
void setToggleButton(bool toggle);
void setOn(bool on);
void setLeft(bool left);
void mousePressEvent(QMouseEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
@ -338,6 +346,8 @@ class KWIN_EXPORT KCommonDecorationButton : public QButton
QSize m_size;
ButtonState m_lastMouse;
bool m_isLeft;
KCommonDecorationButtonPrivate *d;
};