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Move textBox geometry updates into showEvent:

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1. Makes QFontMetrics more accurate (~50%) for custom DPI systems
2. Makes it possible to have fixed dialog size yet again (like in old dialog box) and still allow to autoexpand the textBox
This commit is contained in:
Nick Tiskov 2013-07-22 17:11:54 +04:00
parent fd8a2e05a4
commit de3108e1e5
2 changed files with 36 additions and 14 deletions
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47
src/autoexpandabledialog.cpp
View File

@ -52,18 +52,36 @@ QString AutoExpandableDialog::getText(QWidget *parent, const QString &title, con
d.ui->textEdit->setEchoMode(mode);
d.ui->textEdit->setInputMethodHints(inputMethodHints);
int textW = d.ui->textEdit->fontMetrics().width(text) + 4;
bool res = d.exec();
if (ok)
*ok = res;
if (!res)
return QString();
return d.ui->textEdit->text();
}
void AutoExpandableDialog::showEvent(QShowEvent *e) {
// Overriding showEvent is required for consistent UI with fixed size under custom DPI
// Show dialog
QDialog::showEvent(e);
// and resize textbox to fit the text
// NOTE: For some strange reason QFontMetrics gets more accurate
// when called from showEvent. Only 6 symbols off instead of 11 symbols off.
int textW = ui->textEdit->fontMetrics().width(ui->textEdit->text()) + 4;
int screenW = QApplication::desktop()->width() / 4;
int wd = textW;
if (!title.isEmpty()) {
int _w = d.fontMetrics().width(title);
if (!windowTitle().isEmpty()) {
int _w = fontMetrics().width(windowTitle());
if (_w > wd)
wd = _w;
}
if (!label.isEmpty()) {
int _w = d.ui->textLabel->fontMetrics().width(label);
if (!ui->textLabel->text().isEmpty()) {
int _w = ui->textLabel->fontMetrics().width(ui->textLabel->text());
if (_w > wd)
wd = _w;
}
@ -75,15 +93,16 @@ QString AutoExpandableDialog::getText(QWidget *parent, const QString &title, con
// 2. max width of text from either of: label, title, textedit
// If the value is less than dialog default size default size is used
wd = textW < screenW ? textW : screenW;
if (wd > d.width())
d.resize(d.width() - d.ui->horizontalLayout->sizeHint().width() + wd, d.height());
if (wd > width())
resize(width() - ui->horizontalLayout->sizeHint().width() + wd, height());
bool res = d.exec();
if (ok)
*ok = res;
// Use old dialog behavior: prohibit resizing the dialog
setFixedHeight(height());
if (!res)
return QString();
return d.ui->textEdit->text();
// Update geometry: center on screen
int sx = QApplication::desktop()->width();
int sy = QApplication::desktop()->height();
QRect geom = geometry();
geom.moveCenter(QPoint(sx / 2, sy / 2));
setGeometry(geom);
}

3
src/autoexpandabledialog.h
View File

@ -49,6 +49,9 @@ public:
static QString getText(QWidget *parent, const QString& title, const QString& label,
QLineEdit::EchoMode mode = QLineEdit::Normal, const QString & text = QString(),
bool * ok = 0, Qt::InputMethodHints inputMethodHints = Qt::ImhNone);
protected:
void showEvent(QShowEvent *e);
private:
Ui::AutoExpandableDialog *ui;