Linux下Qt精心制作软键盘

#ifdef MYKEYBOARD #include "myinputpanel.h" #include "ui_myinputpanelform.h" #include<qnamespace.h> #include<QPointer> MyInputPanel::MyInputPanel() : QWidget(0, Qt::Tool | Qt::WindowStaysOnTopHint), //工具窗口 //lastFocusedWidget(0), ui(new Ui::MyInputPanel) { lastFocusedWidget = 0; caps_lock = 0; punctuation = 0; pun_shift = 0; pun_flag = false; ui->setupUi(this); connect(qApp, SIGNAL(focusChanged(QWidget*,QWidget*)), this, SLOT(saveFocusWidget(QWidget*,QWidget*))); keyMapping(); } bool MyInputPanel::event(QEvent *e) { switch (e->type()) { //! [1] case QEvent::WindowActivate: if (lastFocusedWidget)//激活最后一次有光标的窗口 lastFocusedWidget->activateWindow(); break; //! [1] default: break; } return QWidget::event(e);//其它事件默认，必须要有 } //! [2] void MyInputPanel::saveFocusWidget(QWidget * /*oldFocus*/, QWidget *newFocus) { //如果非零，且不是输入面板inputpanel对象的子部件指针就保存 //这里只保存需要输入窗口中的指针 if (newFocus != 0 && !this->isAncestorOf(newFocus)) { lastFocusedWidget = newFocus; } } void MyInputPanel::buttonClicked(QWidget *w) { //property函数返回属性为lylbuttonValue的对应值，这里为每个按键对应的ASCII //qvariant_cast(T)(value)将输入值value转换为T类型 QChar chr = qvariant_cast<QChar>(w->property("lylbuttonValue")); testAndsend(chr); } //返回主界面焦点处窗口指针 QWidget * MyInputPanel::getFocusedWidget() { return lastFocusedWidget; } void MyInputPanel::mousePressEvent(QMouseEvent *event) { if(event->button() == Qt::LeftButton)//按下时调用buttons函数来判断按键 { QCursor cursor; cursor.setShape(Qt::SizeAllCursor); QApplication::setOverrideCursor(cursor); //暂时使用这种指针 offset = event->globalPos() - pos();//用桌面全局坐标减去窗口坐标，得到需要移动坐标 } } void MyInputPanel::mouseMoveEvent(QMouseEvent *event) { if(event->buttons() & Qt::LeftButton)//移动中只能用buttons函数 { QPoint newpoint; newpoint = event->globalPos() - offset; //减去差值得到新位置 move(newpoint); //移动到新位置 } } void MyInputPanel::leaveEvent(QEvent *e) { e=e; this->hide(); } void MyInputPanel::mouseReleaseEvent(QMouseEvent *) { QApplication::restoreOverrideCursor(); //恢复指针形状 } void MyInputPanel::setbutton(int type) { switch(type) { case 0: ui->panelButton_a->setText("a"); ui->panelButton_b->setText("b"); ui->panelButton_c->setText("c"); ui->panelButton_d->setText("d"); ui->panelButton_e->setText("e"); ui->panelButton_f->setText("f"); ui->panelButton_g->setText("g"); ui->panelButton_h->setText("h"); ui->panelButton_i->setText("i"); ui->panelButton_j->setText("j"); ui->panelButton_k->setText("k"); ui->panelButton_l->setText("l"); ui->panelButton_m->setText("m"); ui->panelButton_n->setText("n"); ui->panelButton_o->setText("o"); ui->panelButton_p->setText("p"); ui->panelButton_q->setText("q"); ui->panelButton_r->setText("r"); ui->panelButton_s->setText("s"); ui->panelButton_t->setText("t"); ui->panelButton_u->setText("u"); ui->panelButton_v->setText("v"); ui->panelButton_w->setText("w"); ui->panelButton_x->setText("x"); ui->panelButton_y->setText("y"); ui->panelButton_z->setText("z"); break; case 1: ui->panelButton_a->setText("A"); ui->panelButton_b->setText("B"); ui->panelButton_c->setText("C"); ui->panelButton_d->setText("D"); ui->panelButton_e->setText("E"); ui->panelButton_f->setText("F"); ui->panelButton_g->setText("G"); ui->panelButton_h->setText("H"); ui->panelButton_i->setText("I"); ui->panelButton_j->setText("J"); ui->panelButton_k->setText("K"); ui->panelButton_l->setText("L"); ui->panelButton_m->setText("M"); ui->panelButton_n->setText("N"); ui->panelButton_o->setText("O"); ui->panelButton_p->setText("P"); ui->panelButton_q->setText("Q"); ui->panelButton_r->setText("R"); ui->panelButton_s->setText("S"); ui->panelButton_t->setText("T"); ui->panelButton_u->setText("U"); ui->panelButton_v->setText("V"); ui->panelButton_w->setText("W"); ui->panelButton_x->setText("X"); ui->panelButton_y->setText("Y"); ui->panelButton_z->setText("Z"); break; /*case 2: ui->panelButton_a->setText("!"); ui->panelButton_b->setText("''"); ui->panelButton_c->setText("#"); ui->panelButton_d->setText("$"); ui->panelButton_e->setText("%"); ui->panelButton_f->setText("("); ui->panelButton_g->setText(")"); ui->panelButton_h->setText("*"); ui->panelButton_i->setText("+"); ui->panelButton_j->setText(","); ui->panelButton_k->setText("-"); ui->panelButton_l->setText("."); ui->panelButton_m->setText("/"); ui->panelButton_n->setText(":"); ui->panelButton_o->setText(";"); ui->panelButton_p->setText("<"); ui->panelButton_q->setText("="); ui->panelButton_r->setText(">"); ui->panelButton_s->setText("?"); ui->panelButton_t->setText("@"); ui->panelButton_u->setText("_"); ui->panelButton_v->setText("`"); ui->panelButton_w->setText("{"); ui->panelButton_x->setText("|"); ui->panelButton_y->setText("}"); ui->panelButton_z->setText("~"); ui->panelButton_douhao->setText(";");//lzl break;*/ } } void MyInputPanel::keyMapping() { signalMapper.setMapping(ui->panelButton_0, ui->panelButton_0); signalMapper.setMapping(ui->panelButton_1, ui->panelButton_1); signalMapper.setMapping(ui->panelButton_2, ui->panelButton_2); signalMapper.setMapping(ui->panelButton_3, ui->panelButton_3); signalMapper.setMapping(ui->panelButton_4, ui->panelButton_4); signalMapper.setMapping(ui->panelButton_5, ui->panelButton_5); signalMapper.setMapping(ui->panelButton_6, ui->panelButton_6); signalMapper.setMapping(ui->panelButton_7, ui->panelButton_7); signalMapper.setMapping(ui->panelButton_8, ui->panelButton_8); signalMapper.setMapping(ui->panelButton_9, ui->panelButton_9); signalMapper.setMapping(ui->panelButton_a, ui->panelButton_a); signalMapper.setMapping(ui->panelButton_b, ui->panelButton_b); signalMapper.setMapping(ui->panelButton_c, ui->panelButton_c); signalMapper.setMapping(ui->panelButton_d, ui->panelButton_d); signalMapper.setMapping(ui->panelButton_e, ui->panelButton_e); signalMapper.setMapping(ui->panelButton_f, ui->panelButton_f); signalMapper.setMapping(ui->panelButton_g, ui->panelButton_g); signalMapper.setMapping(ui->panelButton_h, ui->panelButton_h); signalMapper.setMapping(ui->panelButton_i, ui->panelButton_i); signalMapper.setMapping(ui->panelButton_j, ui->panelButton_j); signalMapper.setMapping(ui->panelButton_k, ui->panelButton_k); signalMapper.setMapping(ui->panelButton_l, ui->panelButton_l); signalMapper.setMapping(ui->panelButton_m, ui->panelButton_m); signalMapper.setMapping(ui->panelButton_n, ui->panelButton_n); signalMapper.setMapping(ui->panelButton_o, ui->panelButton_o); signalMapper.setMapping(ui->panelButton_p, ui->panelButton_p); signalMapper.setMapping(ui->panelButton_q, ui->panelButton_q); signalMapper.setMapping(ui->panelButton_r, ui->panelButton_r); signalMapper.setMapping(ui->panelButton_s, ui->panelButton_s); signalMapper.setMapping(ui->panelB