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Coordinates widget

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  • ? A Former User

    I have this code: ui->dockWidget_2->move(MainWindow::geometry().center());
    I'd like to write instead of "center" the coordinates of the widget related to MainWindow..but I can't..

    jsulmJ Offline
    jsulmJ Offline
    jsulm
    Lifetime Qt Champion
    wrote on last edited by jsulm
    #3

    @vale88 Well, you have to do some math here (I assume that "this" is parent of ui->dockWidget_2):

    int x = (this->width() - ui->dockWidget_2->width()) / 2;
    int y = (this ->height() - ui->dockWidget_2->height()) /2;
    ui->dockWidget_2->move(x, y);
    

    https://forum.qt.io/topic/113070/qt-code-of-conduct

    ? 1 Reply Last reply
    2
    • jsulmJ jsulm

      @vale88 Well, you have to do some math here (I assume that "this" is parent of ui->dockWidget_2):

      int x = (this->width() - ui->dockWidget_2->width()) / 2;
      int y = (this ->height() - ui->dockWidget_2->height()) /2;
      ui->dockWidget_2->move(x, y);
      
      ? Offline
      ? Offline
      A Former User
      wrote on last edited by jsulm
      #4

      @jsulm said in Coordinates widget:

      int x = (this->width() - ui->dockWidget_2->width()) / 2;
      int y = (this ->height() - ui->dockWidget_2->height()) /2;
      ui->dockWidget_2->move(x, y);

      it doesn't work, the widget doesn't get its original position

      jsulmJ 1 Reply Last reply
      0
      • ? A Former User

        @jsulm said in Coordinates widget:

        int x = (this->width() - ui->dockWidget_2->width()) / 2;
        int y = (this ->height() - ui->dockWidget_2->height()) /2;
        ui->dockWidget_2->move(x, y);

        it doesn't work, the widget doesn't get its original position

        jsulmJ Offline
        jsulmJ Offline
        jsulm
        Lifetime Qt Champion
        wrote on last edited by jsulm
        #5

        @vale88 I edited my original calculation as it was wrong. Also, what do you mean by "the widget doesn't get its original position"? Is this widget managed by a layout?

        https://forum.qt.io/topic/113070/qt-code-of-conduct

        1 Reply Last reply
        1
        • ? Offline
          ? Offline
          A Former User
          wrote on last edited by
          #6

          I have a dockWidget with its original position and then I move it...after that I moved it I want that I press a button and it gets its original position in MainWindow..but I can't, Can you help me?

          jsulmJ 1 Reply Last reply
          0
          • ? A Former User

            I have a dockWidget with its original position and then I move it...after that I moved it I want that I press a button and it gets its original position in MainWindow..but I can't, Can you help me?

            jsulmJ Offline
            jsulmJ Offline
            jsulm
            Lifetime Qt Champion
            wrote on last edited by
            #7

            @vale88 Did you store its original position somewhere?

            https://forum.qt.io/topic/113070/qt-code-of-conduct

            1 Reply Last reply
            1
            • ? Offline
              ? Offline
              A Former User
              wrote on last edited by
              #8

              @jsulm said in Coordinates widget:

              Did you store its original position somewhere

              yes but if write move(100, 40) I don't obtain its position relative to MainWindow

              jsulmJ 1 Reply Last reply
              0
              • ? A Former User

                @jsulm said in Coordinates widget:

                Did you store its original position somewhere

                yes but if write move(100, 40) I don't obtain its position relative to MainWindow

                jsulmJ Offline
                jsulmJ Offline
                jsulm
                Lifetime Qt Champion
                wrote on last edited by
                #9

                @vale88 I guess because it is inside a widget (central widget) not main window. How do you store original coordinates (can you show the code)?

                https://forum.qt.io/topic/113070/qt-code-of-conduct

                ? 1 Reply Last reply
                1
                • jsulmJ jsulm

                  @vale88 I guess because it is inside a widget (central widget) not main window. How do you store original coordinates (can you show the code)?

                  ? Offline
                  ? Offline
                  A Former User
                  wrote on last edited by
                  #10

                  @jsulm #include "mainwindow.h"
                  #include "ui_mainwindow.h"
                  #include <QDebug>

                  MainWindow::MainWindow(QWidget *parent) :
                  QMainWindow(parent),
                  ui(new Ui::MainWindow)
                  {
                  ui->setupUi(this);
                  real_pos= ui->dockWidget_2->mapToGlobal(QPoint(100,40));

                  }

                  MainWindow::~MainWindow()
                  {
                  delete ui;
                  }

                  void MainWindow::on_pushButton_clicked()
                  {
                  ui->dockWidget_2->setFloating(true);
                  }

                  void MainWindow::on_pushButton_2_clicked()
                  {
                  ui->dockWidget_2->move(real_pos.x(), real_pos.y());

                  }

                  CP71C 1 Reply Last reply
                  0
                  • ? A Former User

                    @jsulm #include "mainwindow.h"
                    #include "ui_mainwindow.h"
                    #include <QDebug>

                    MainWindow::MainWindow(QWidget *parent) :
                    QMainWindow(parent),
                    ui(new Ui::MainWindow)
                    {
                    ui->setupUi(this);
                    real_pos= ui->dockWidget_2->mapToGlobal(QPoint(100,40));

                    }

                    MainWindow::~MainWindow()
                    {
                    delete ui;
                    }

                    void MainWindow::on_pushButton_clicked()
                    {
                    ui->dockWidget_2->setFloating(true);
                    }

                    void MainWindow::on_pushButton_2_clicked()
                    {
                    ui->dockWidget_2->move(real_pos.x(), real_pos.y());

                    }

                    CP71C Offline
                    CP71C Offline
                    CP71
                    wrote on last edited by
                    #11

                    @vale88 If I don't mistake, you must not use mapToGlobal because it converts widget coordinates to screen coordinates. If you want to move widget relative to MainWindows you must move to 100,40.

                    So real_pos = QPoint(100, 40);

                    ? 1 Reply Last reply
                    1
                    • CP71C CP71

                      @vale88 If I don't mistake, you must not use mapToGlobal because it converts widget coordinates to screen coordinates. If you want to move widget relative to MainWindows you must move to 100,40.

                      So real_pos = QPoint(100, 40);

                      ? Offline
                      ? Offline
                      A Former User
                      wrote on last edited by
                      #12

                      @CP71 I tried but the problem remains...I have a problem with dockwidget..they stick to mainwindow..so I must do a function with move

                      CP71C 1 Reply Last reply
                      0
                      • ? A Former User

                        @CP71 I tried but the problem remains...I have a problem with dockwidget..they stick to mainwindow..so I must do a function with move

                        CP71C Offline
                        CP71C Offline
                        CP71
                        wrote on last edited by
                        #13

                        @vale88 Do you have a layout?

                        ? 1 Reply Last reply
                        1
                        • CP71C CP71

                          @vale88 Do you have a layout?

                          ? Offline
                          ? Offline
                          A Former User
                          wrote on last edited by
                          #14

                          @CP71 I put dockwidget in a layout of a stacked widget

                          CP71C 1 Reply Last reply
                          0
                          • ? A Former User

                            @CP71 I put dockwidget in a layout of a stacked widget

                            CP71C Offline
                            CP71C Offline
                            CP71
                            wrote on last edited by
                            #15

                            @vale88 I suppose that layout is the problem, layout is placing your widget.
                            This explains because you can't position your widget as you wish.

                            ? 1 Reply Last reply
                            2
                            • CP71C CP71

                              @vale88 I suppose that layout is the problem, layout is placing your widget.
                              This explains because you can't position your widget as you wish.

                              ? Offline
                              ? Offline
                              A Former User
                              wrote on last edited by
                              #16

                              @CP71 I want posizionate my dockwidget wherever I want, but I can't because the dockwidget attached to the MainWindow

                              CP71C 1 Reply Last reply
                              0
                              • ? A Former User

                                @CP71 I want posizionate my dockwidget wherever I want, but I can't because the dockwidget attached to the MainWindow

                                CP71C Offline
                                CP71C Offline
                                CP71
                                wrote on last edited by
                                #17

                                @vale88 Only thing that comes to mind is to move your widget out of the layout. If it is possible for your UI.

                                1 Reply Last reply
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