81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
#include <QX11Info>
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#include "config.h"
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#include "getkey.h"
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int GetKey::getKey(const QString& button, bool useMouse, bool *isMouse, QWidget *parent) {
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GetKey getkey(button, useMouse, parent);
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if (getkey.exec() == QDialog::Accepted) {
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if (isMouse) {
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*isMouse = getkey.choseMouse();
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}
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return getkey.getValue();
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}
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return -1;
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}
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GetKey::GetKey(const QString &button, bool useMouse, QWidget *parent)
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: QDialog( parent ), useMouse(useMouse), wasMouse(false), value(-1)
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{
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//prepare the dialog
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setWindowTitle( tr("Choose a key") );
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setWindowIcon(QIcon(QJOYPAD_ICON24));
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//I'd use a QLabel, but that steals x11Events!
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//So, I'll draw the text directly. That means
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//I need to resolve the size of the dialog by hand:
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text = (useMouse ? tr("Choose a new key or mouse button for %1") : tr("Choose a new key for %1")).arg(button);
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QRect rect = fontMetrics().boundingRect( text );
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//I calculate the size based on the first line of text, which is longer.
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//The fontMetrics function is dumb and would treat the string with a
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//newline in it as a continues flow of characters if I did the whole string
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//at once.
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text += tr("\n(Ctrl-X for no key)");
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//now I add 20 pixels of padding and double the height to make room for
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//two lines.
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setFixedSize(rect.width() + 20, rect.height()*2 + 20);
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}
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bool GetKey::x11Event( XEvent* e )
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{
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//keep Qt from closing the dialog upon seeing Esc pressed.
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if (e->type == KeyPress) return true;
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//On a key press, return the key and quit
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//Ctrl+X == [No Key]
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if (e->type == KeyRelease) {
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wasMouse = false;
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if (XKeycodeToKeysym(QX11Info::display(),e->xkey.keycode,0) == XK_x) {
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if (e->xkey.state & ControlMask) {
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value = 0;
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accept();
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}
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else {
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value = e->xkey.keycode;
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accept();
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}
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}
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else {
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value = e->xkey.keycode;
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accept();
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}
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return true;
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}
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//if we're accepting mouse clicks and a mouse button was clicked...
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if (useMouse && e->type == ButtonRelease) {
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wasMouse = true;
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value = e->xbutton.button;
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accept();
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return true;
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}
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//any other events we will pass on to the dialog. This allows for closing
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//the window and easy redrawing :)
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return false;
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}
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void GetKey::paintEvent ( QPaintEvent * ) {
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//whenever we need to repaint, draw in our text.
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QPainter paint( this );
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paint.drawText( rect(), Qt::AlignCenter, text );
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}
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