id
stringlengths
15
54
text
stringlengths
3
133k
title
stringclasses
1 value
teleopanel/packagexml_52.txt
<export> <metapackage /> </export>
teleopanel/packagexml_55.txt
cmake_minimum_required(VERSION 2.8.3) project(<PACKAGE_NAME>) find_package(catkin REQUIRED) catkin_metapackage()
teleopanel/layouthtml1_66.txt
## Adding Widgets to a Layout
teleopanel/panelplugintutorialh_20.txt
painter.setPen( arrow ); Compute and draw polylines for each arrowhead. This code could probably be more elegant. float head_len = size / 8.0; QPointF arrow_head[ 3 ]; float x, y; if( fabsf( -step_dist + half_track_width * delta_angle ) > .01 ) { x ...
teleopanel/packagexml_98.txt
Metapackage now have CMakeLists.txt files after a discussion about installing the package.xml files:
teleopanel/layouthtml1_87.txt
If you are making a one-of-a-kind special layout, you can also make a custom widget as described above. Reimplement [ QWidget::resizeEvent ](qwidget.html#resizeEvent) () to calculate the required distribution of sizes and call [ setGeometry() ](qwidget.html#geometry-prop) on each child.
teleopanel/packagexml_11.txt
## Overview
teleopanel/panelplugintutorialh_21.txt
mouse move events if there was previously a mouse-press event while in the widget. void DriveWidget::mouseMoveEvent( QMouseEvent* event ) { sendVelocitiesFromMouse( event->x(), event->y(), width(), height() ); } Mouse-press events should send the velocities too, of course. ...
teleopanel/differenceinbuilddep_57.txt
[ Get all key/value pairs from custom ROS2 message ](/question/370820/get-all- keyvalue-pairs-from-custom-ros2-message/)
teleopanel/differenceinbuilddep_12.txt
* [ dashing ](/questions/scope:all/sort:activity-desc/tags:dashing/page:1/)
teleopanel/layouthtml1_12.txt
* [ Programming with Qt ](qt-basic-concepts.html) * [ Device UIs & Qt Quick ](qtquick.html) * [ UI Design with Qt ](qt-gui-concepts.html) * [ Supported Platforms ](supported-platforms.html) * [ Qt and Key Technologies ](technology-apis.html) * [ How-To's and Best Practices ](best-practices.html)
teleopanel/layouthtml1_19.txt
* Introduction * Qt's Layout Classes * Horizontal, Vertical, Grid, and Form Layouts * Laying Out Widgets in Code * Tips for Using Layouts * Adding Widgets to a Layout * Stretch Factors * Custom Widgets in Layouts * Layout Issues * Manual Layout * How to Write A Custom Layout Manager *...
teleopanel/layouthtml_23.txt
![3 widgets in a row](layout1.png)
teleopanel/panelplugintutorialh_30.txt
# [ Table Of Contents ](index.html) * TeleopPanel * Overview * The Plugin Code * teleop_panel.h * teleop_panel.cpp * drive_widget.h * drive_widget.cpp * Building the Plugin * Exporting the Plugin * Trying It Out * Next Steps
teleopanel/packagexml_25.txt
* ` <maintainer> ` \- The name of the person(s) that is/are maintaining the package
teleopanel/differenceinbuilddep_45.txt
Follow
teleopanel/packagexml_30.txt
The package manifest with minimal tags does not specify any dependencies on other packages. Packages can have six types of dependencies:
teleopanel/packagexml_24.txt
* ` <description> ` \- A description of the package contents
teleopanel/layouthtml_46.txt
The widget will get an event with [ type ](qevent.html#type) ` LayoutHint ` when the layout needs to be recalculated. Reimplement [ QWidget::event ](qwidget.html#event) () to be notified of ` LayoutHint ` events.
teleopanel/layouthtml1_79.txt
If the preferred height of your widget depends on its actual width (e.g., a label with automatic word-breaking), set the [ height-for-width ](qsizepolicy.html#hasHeightForWidth) flag in the widget's [ size policy ](qwidget.html#sizePolicy-prop) and reimplement [ QWidget::heightForWidth ](qwidget.html#heightForWidth) ()...
teleopanel/panelplugintutorialh_17.txt
{ background = Qt::white; crosshair = Qt::black; } else { background = Qt::lightGray; crosshair = Qt::darkGray; } The main visual is a square, centered in the widget’s area. Here we compute the size of the square and the horizontal and vertical offsets of it. ...
teleopanel/layouthtml_36.txt
See the [ Custom Layout ](customlayout.html) page for an in-depth description.
teleopanel/packagexml_65.txt
<package> </package>
teleopanel/layouthtml1_98.txt
//#include "card.h"
teleopanel/packagexml_43.txt
* ` <buildtool_depend> `
teleopanel/packagexml_50.txt
### Metapackages
teleopanel/differenceinbuilddep_66.txt
Please note: ROS Answers requires javascript to work properly, please enable javascript in your browser, [ here is how ](https://www.google.com/support/bin/answer.py?answer=23852)
teleopanel/differenceinbuilddep_0.txt
First time here? Check out the FAQ!
teleopanel/layouthtml1_21.txt
The Qt layout system provides a simple and powerful way of automatically arranging child widgets within a widget to ensure that they make good use of the available space.
teleopanel/layouthtml_34.txt
## Custom Layouts
teleopanel/layouthtml1_16.txt
* A * A * A * [ Print ](javascript:this.print\(\);)
teleopanel/differenceinbuilddep_1.txt
ROS Resources: [ Documentation ](http://wiki.ros.org/) | [ Support ](http://wiki.ros.org/Support) | [ Discussion Forum ](http://discourse.ros.org/) | [ Index ](http://index.ros.org/) | [ Service Status ](http://status.ros.org/) | [ ros @ Robotics Stack Exchange ](https://robotics.stackexchange.com/questions/tagged/r...
teleopanel/differenceinbuilddep_5.txt
The site is read-only. Please transition to use Robotics Stack Exchange
teleopanel/differenceinbuilddep_31.txt
[ ![gvdhoorn gravatar image](/upfiles/avatars/gvdhoorn/resized/16/4550046.png) ](/users/5184/gvdhoorn/) [ gvdhoorn ](/users/5184/gvdhoorn/) ( 2020-03-25 10:34:34 -0500 ) edit
teleopanel/packagexml_46.txt
<package format="2"> <name>foo_core</name> <version>1.2.4</version> <description> This package provides foo capability. </description> <maintainer email="ivana@osrf.org">Ivana Bildbotz</maintainer> <license>BSD</license> <buildtool_depend>catkin</buil...
teleopanel/packagexml_15.txt
This is the recommended format for new packages. It is also recommended that older format 1 packages be migrated to format 2. For instructions on migrating from format 1 to format 2, see [ Migrating from Format 1 to Format 2 ](https://docs.ros.org/melodic/api/catkin/html/howto/format2/migrating_from_format_1.html#migra...
teleopanel/packagexml_49.txt
More details on dependencies can be found in the catkin API docs [ here ](https://docs.ros.org/melodic/api/catkin/html/howto/format2/catkin_library_dependencies.html) .
teleopanel/packagexml_36.txt
* **Documentation Tool Dependencies** specify documentation tools which this package needs to generate documentation.
teleopanel/layouthtml_21.txt
Widgets are normally created without any stretch factor set. When they are laid out in a layout the widgets are given a share of space in accordance with their [ QWidget::sizePolicy ](qwidget.html#sizePolicy) () or their minimum size hint whichever is the greater. Stretch factors are used to change how much space widge...
teleopanel/packagexml_95.txt
Additionally a metapackage has a required, boilerplate CMakeLists.txt file:
teleopanel/differenceinbuilddep_59.txt
[ ros2 Dashing: Message frequency lower than expected [closed] ](/question/334183/ros2-dashing-message-frequency-lower-than-expected/)
teleopanel/packagexml_66.txt
### Required Tags
teleopanel/differenceinbuilddep_55.txt
[ Slam Toolbox - How is scan data used to build the map? ](/question/371874/slam-toolbox-how-is-scan-data-used-to-build-the-map/)
teleopanel/packagexml_62.txt
The format of package.xml is straightforward.
teleopanel/layouthtml1_33.txt
Layout where one can anchor widgets together in Graphics View [ QGridLayout ](qgridlayout.html)
teleopanel/layouthtml1_54.txt
### Laying Out Widgets in Code
teleopanel/packagexml_63.txt
### Basic Structure
teleopanel/differenceinbuilddep_33.txt
[ ![Jeffrey Kane Johnson gravatar image](/upfiles/avatars/Jeffrey%20Kane%20Johnson/resized/16/headshot-200x200.jpg) ](/users/2517/jeffrey-kane-johnson/) [ Jeffrey Kane Johnson ](/users/2517/jeffrey-kane-johnson/) ( 2020-03-25 10:57:04 -0500 ) edit
teleopanel/packagexml_80.txt
* **Test Dependencies** specify only _additional_ dependencies for unit tests. They should never duplicate any dependencies already mentioned as build or run dependencies.
teleopanel/layouthtml1_29.txt
Lines up child widgets horizontally or vertically ---|--- [ QButtonGroup ](qbuttongroup.html)
teleopanel/differenceinbuilddep_34.txt
add a comment
teleopanel/packagexml_10.txt
1. Overview 2. Format 2 (Recommended) 1. Basic Structure 2. Required Tags 3. Dependencies 4. Metapackages 5. Additional Tags 3. Format 1 (Legacy) 1. Basic Structure 2. Required Tags 3. Build, Run, and Test Dependencies 4. Metapackages 5. Additional Tags
teleopanel/layouthtml_19.txt
1. All the widgets will initially be allocated an amount of space in accordance with their [ QWidget::sizePolicy ](qwidget.html#sizePolicy) (). 2. If any of the widgets have stretch factors set, with a value greater than zero, then they are allocated space in proportion to their stretch factor . 3. If any of ...
teleopanel/layouthtml1_27.txt
Qt's layout classes were designed for hand-written C++ code, allowing measurements to be specified in pixels for simplicity, so they are easy to understand and use. The code generated for forms created using _Qt Designer_ also uses the layout classes. _Qt Designer_ is useful to use when experimenting with the design of...
teleopanel/panelplugintutorialh_7.txt
# teleop_panel.cpp ¶ The full text of teleop_panel.cpp is here: [ src/teleop_panel.cpp ](https://github.com/ros-visualization/visualization_tutorials/tree/groovy- devel/rviz_plugin_tutorials/src/teleop_panel.cpp) Here is the implementation of the TeleopPanel class. TeleopPanel has these responsibilities: * Act ...
teleopanel/packagexml_71.txt
* ` <maintainer> ` \- The name of the person(s) that is/are maintaining the package
teleopanel/differenceinbuilddep_69.txt
*[ 2020-03-25 10:03:13 -0500 ]: 2020-03-25 10:03:13 -0500 *[ 2020-03-25 10:56:52 -0500 ]: 2020-03-25 10:56:52 -0500 *[ 2020-03-25 10:31:35 -0500 ]: 2020-03-25 10:31:35 -0500 *[ 2020-03-25 10:34:34 -0500 ]: 20...
teleopanel/layouthtml1_112.txt
### Further Notes
teleopanel/layouthtml1_113.txt
* This custom layout does not handle height for width. * We ignore [ QLayoutItem::isEmpty ](qlayoutitem.html#isEmpty) (); this means that the layout will treat hidden widgets as visible. * For complex layouts, speed can be greatly increased by caching calculated values. In that case, implement [ QLayoutItem::in...
teleopanel/panelplugintutorialh_16.txt
# drive_widget.cpp ¶ The full text of drive_widget.cpp is here: [ src/drive_widget.cpp ](https://github.com/ros-visualization/visualization_tutorials/tree/groovy- devel/rviz_plugin_tutorials/src/drive_widget.cpp) The DriveWidget constructor does the normal Qt thing of passing the parent widget to the superclass co...
teleopanel/packagexml_81.txt
These four types of dependencies are specified using the following respective tags:
teleopanel/layouthtml1_34.txt
Lays out widgets in a grid [ QGroupBox ](qgroupbox.html)
teleopanel/layouthtml1_20.txt
# Layout Management
teleopanel/packagexml_96.txt
cmake_minimum_required(VERSION 2.8.3) project(<PACKAGE_NAME>) find_package(catkin REQUIRED) catkin_metapackage()
teleopanel/layouthtml1_55.txt
The following code creates a [ QHBoxLayout ](qhboxlayout.html) that manages the geometry of five [ QPushButtons ](qpushbutton.html) , as shown on the first screenshot above:
teleopanel/differenceinbuilddep_44.txt
## Question Tools
teleopanel/layouthtml1_60.txt
[ QFormLayout ](qformlayout.html) will add two widgets on a row, commonly a [ QLabel ](qlabel.html) and a [ QLineEdit ](qlineedit.html) to create forms. Adding a [ QLabel ](qlabel.html) and a [ QLineEdit ](qlineedit.html) on the same row will set the [ QLineEdit ](qlineedit.html) as the [ QLabel ](qlabel.html) 's buddy...
teleopanel/packagexml_5.txt
# Page
teleopanel/layouthtml1_65.txt
You can nest layouts using ` addLayout() ` on a layout; the inner layout then becomes a child of the layout it is inserted into.
teleopanel/layouthtml1_40.txt
Blank space in a layout [ QStackedLayout ](qstackedlayout.html)
teleopanel/differenceinbuilddep_41.txt
[ edit ](/s/answers/347531/edit/) flag offensive delete [ link ](/question/347516/difference-in-build_depend-in-package-format-3-vs-package- format-2/?answer=347531#post-id-347531 "permanent link") more
teleopanel/layouthtml_9.txt
![Horizontal box with five child widgets](qhbox-m.png)
teleopanel/differenceinbuilddep_9.txt
Difference in build_depend in package format 3 vs. package format 2
teleopanel/layouthtml1_57.txt
The code for [ QVBoxLayout ](qvboxlayout.html) is identical, except the line where the layout is created. The code for [ QGridLayout ](qgridlayout.html) is a bit different, because we need to specify the row and column position of the child widget:
teleopanel/layouthtml_5.txt
The disadvantage of hand-written layout code is that it isn't very convenient when you're experimenting with the design of a form and you have to go through the compile, link and run cycle for each change. Our solution is [ Qt Designer ](designer-manual.html) , a GUI visual design tool which makes it fast and easy to e...
teleopanel/layouthtml_39.txt
* [ QWidget::sizeHint ](qwidget.html#sizeHint) () returns the preferred size of the widget. * [ QWidget::minimumSizeHint ](qwidget.html#minimumSizeHint) () returns the smallest size the widget can have. * [ QWidget::sizePolicy ](qwidget.html#sizePolicy) () returns a [ QSizePolicy ](qsizepolicy.html) ; a value d...
teleopanel/panelplugintutorialh_9.txt
output_timer->start( 100 ); Make the control widget start disabled, since we don’t start with an output topic. drive_widget_->setEnabled( false ); } setVel() is connected to the DriveWidget’s output, which is sent whenever it changes due to a mouse event. This just records the ...
teleopanel/packagexml_4.txt
* [ Distributions ](/Distributions) * [ ROS/Installation ](/ROS/Installation) * [ ROS/Tutorials ](/ROS/Tutorials) * [ RecentChanges ](/RecentChanges) * [ catkin/package.xml ](/catkin/package.xml)
teleopanel/layouthtml1_94.txt
In most cases, you will also implement [ minimumSize() ](qlayout.html#minimumSize) .
teleopanel/layouthtml1_118.txt
Digia, Qt and their respective logos are trademarks of Digia Plc in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. [ Privacy Policy ](http://en.gitorious.org/privacy_policy/ "Privacy Policy")
teleopanel/differenceinbuilddep_29.txt
This particular tutorial was added in [ ros2/ros2_documentation#366 ](https://github.com/ros2/ros2_documentation/pull/366) and a comment about this was added ( [ here ](https://github.com/ros2/ros2_documentation/pull/366/files#r339288128) ).
teleopanel/layouthtml1_51.txt
![](images/qgridlayout-with-5-children.png)
teleopanel/layouthtml1_42.txt
Stack of widgets where only one widget is visible at a time [ QVBoxLayout ](qvboxlayout.html)
teleopanel/layouthtml1_116.txt
The documentation provided herein is licensed under the terms of the [ GNU Free Documentation License version 1.3 ](http://www.gnu.org/licenses/fdl.html) as published by the Free Software Foundation.
teleopanel/panelplugintutorialh_4.txt
Now we declare overrides of rviz::Panel functions for saving and loading data from the config file. Here the data is the topic name. virtual void load( const rviz::Config& config ); virtual void save( rviz::Config config ) const; Next come a couple of public Qt slots. public Q_SL...
teleopanel/layouthtml1_80.txt
Even if you implement [ QWidget::heightForWidth ](qwidget.html#heightForWidth) (), it is still a good idea to provide a reasonable sizeHint().
teleopanel/layouthtml_42.txt
Even if you implement heightForWidth(), it is still necessary to provide a good sizeHint(). The sizeHint() provides the preferred width of the widget, and it is used by [ QLayout ](qlayout.html) subclasses that do not support heightForWidth() (both [ QGridLayout ](qgridlayout.html) and [ QBoxLayout ](qboxlayout.html) s...
teleopanel/layouthtml1_26.txt
## Qt's Layout Classes
teleopanel/layouthtml1_111.txt
[QSize](qsize.html) CardLayout::sizeHint() const { [QSize](qsize.html) s(0,0); int n = list.count(); if (n > 0) s = [QSize](qsize.html)(100,70); //start with a nice default size int i = 0; while (i < n) { [QLayoutItem](qlayoutite...
teleopanel/differenceinbuilddep_68.txt
[ none ](/questions/scope:all/sort:activity-desc/tags:none/page:1/) ×
teleopanel/layouthtml1_117.txt
Documentation sources may be obtained from [ www.qt-project.org ](http://www.qt-project.org) .
teleopanel/layouthtml1_32.txt
Represents an anchor between two items in a QGraphicsAnchorLayout [ QGraphicsAnchorLayout ](qgraphicsanchorlayout.html)
teleopanel/layouthtml_3.txt
* Positioning of child widgets. * Sensible default sizes for top-level widgets. * Sensible minimum sizes for top-level widgets. * Resize handling. * Automatic update when contents change: * Font size, text or other contents of subwidgets. * Hiding or showing a subwidget. * Removal of subwid...
teleopanel/packagexml_18.txt
Each package.xml file has the ` <package> ` tag as the root tag in the document.
teleopanel/packagexml_92.txt
It is often convenient to group multiple packages as a single logical package. This can be accomplished through **metapackages** . A metapackage is a normal package with the following export tag in the package.xml:
teleopanel/packagexml_12.txt
The **package manifest** is an XML file called **package.xml** that must be included with any catkin-compliant package's root folder. This file defines properties about the package such as the package name, version numbers, authors, maintainers, and dependencies on other catkin packages. Note the concept is similar to ...
teleopanel/layouthtml1_63.txt
When you use a layout, you do not need to pass a parent when constructing the child widgets. The layout will automatically reparent the widgets (using [ QWidget::setParent ](qwidget.html#setParent) ()) so that they are children of the widget on which the layout is installed.
teleopanel/packagexml_75.txt
### Build, Run, and Test Dependencies
teleopanel/layouthtml1_90.txt
An alternative to manual layout is to write your own layout manager by subclassing [ QLayout ](qlayout.html) . The [ Border Layout ](layouts- borderlayout.html) and [ Flow Layout ](layouts-flowlayout.html) examples show how to do this.
teleopanel/panelplugintutorialh_12.txt
panel name get saved. void TeleopPanel::save( rviz::Config config ) const { rviz::Panel::save( config ); config.mapSetValue( "Topic", output_topic_ ); } Load all configuration data for this panel from the given Config object. void TeleopPanel::load( const rviz::Co...