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Code Issues Releases Wiki Activity

Fixed (again) search algorithm for iconview widget. This resolves (again) bug 420.

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(cherry picked from commit e418211d50)
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
r14.0.x r14.0.3
Michele Calgaro 9 years ago
parent a6e1bf7da5
commit 2c678d13f2
1 changed files with 22 additions and 24 deletions
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46
src/iconview/qiconview.cpp
Unescape View File

@ -5313,23 +5313,21 @@ void TQIconView::keyPressEvent( TQKeyEvent *e )
/*
Finds the closest item in the direction \a dir starting from the specified \a fromItem.
If the arrangement is LeftToRight (icon view mode): use center as item reference
If the arrangement is TopToBottom (multicolumn view mode): use left top corner as item reference
If the arrangement is LeftToRight (icon view mode): use (center, top) as item reference
If the arrangement is TopToBottom (multicolumn view mode): use (left, top) as item reference
This is to allow for smooth scrolling when using the keyboard arrow keys.
*/
TQIconViewItem* TQIconView::findItem(Direction dir, const TQIconViewItem *fromItem) const
{
TQIconViewItem *closestItem=NULL;
int distPri=0, distSec=0;
int itemDistancePri=0, itemDistanceSec=0;
TQPoint pos;
TQPoint pos=fromItem->rect().topLeft();
if (d->arrangement == LeftToRight) {
pos=fromItem->rect().center();
}
else {
pos=fromItem->rect().topLeft();
pos.setX(fromItem->rect().center().x());
}
TQRect searchRect;
switch (dir) {
case DirDown:
@ -5359,16 +5357,16 @@ TQIconViewItem* TQIconView::findItem(Direction dir, const TQIconViewItem *fromIt
// DirDown/DirUp : primary distance X, secondary distance Y
// DirLeft/DirRight: primary distance Y, secondary distance X
if (d->arrangement == LeftToRight) {
// Left to right arrangement (icon view mode): use center as item reference
// Left to right arrangement (icon view mode): use (center, top) as item reference
switch (dir) {
case DirDown:
if (ir.center().x() > pos.x()) {
distPri = ir.center().x()-pos.x();
distSec = ir.center().y();
distSec = ir.top();
}
else if (ir.center().x() == pos.x() && ir.center().y() > pos.y()) {
else if (ir.center().x() == pos.x() && ir.top() > pos.y()) {
distPri = 0;
distSec = ir.center().y()-pos.y();
distSec = ir.top()-pos.y();
}
else {
itemOK = false;
@ -5378,11 +5376,11 @@ TQIconViewItem* TQIconView::findItem(Direction dir, const TQIconViewItem *fromIt
case DirUp:
if (ir.center().x() < pos.x()) {
distPri = pos.x()-ir.center().x();
distSec = contentsHeight()-ir.center().y();
distSec = contentsHeight()-ir.top();
}
else if (ir.center().x() == pos.x() && ir.center().y() < pos.y()) {
else if (ir.center().x() == pos.x() && ir.top() < pos.y()) {
distPri = 0;
distSec = pos.y()-ir.center().y();
distSec = pos.y()-ir.top();
}
else {
itemOK = false;
@ -5390,11 +5388,11 @@ TQIconViewItem* TQIconView::findItem(Direction dir, const TQIconViewItem *fromIt
break;
case DirRight:
if (ir.center().y() > pos.y()) {
distPri = ir.center().y()-pos.y();
if (ir.top() > pos.y()) {
distPri = ir.top()-pos.y();
distSec = ir.center().x();
}
else if (ir.center().y() == pos.y() && ir.center().x() > pos.x()) {
else if (ir.top() == pos.y() && ir.center().x() > pos.x()) {
distPri = 0;
distSec = ir.center().x()-pos.x();
}
@ -5404,11 +5402,11 @@ TQIconViewItem* TQIconView::findItem(Direction dir, const TQIconViewItem *fromIt
break;
case DirLeft:
if (ir.center().y() < pos.y()) {
distPri = pos.y()-ir.center().y();
if (ir.top() < pos.y()) {
distPri = pos.y()-ir.top();
distSec = contentsWidth()-ir.center().x();
}
else if (ir.center().y() == pos.y() && ir.center().x() < pos.x()) {
else if (ir.top() == pos.y() && ir.center().x() < pos.x()) {
distPri = 0;
distSec = pos.x()-ir.center().x();
}
@ -5422,8 +5420,8 @@ TQIconViewItem* TQIconView::findItem(Direction dir, const TQIconViewItem *fromIt
break;
}
}
else {
// Top to bottom arrangement (multicolumn view mode): use left top corner as item reference
else {
// Top to bottom arrangement (multicolumn view mode): use (left, top) as item reference
switch (dir) {
case DirDown:
if (ir.left() > pos.x()) {

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