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| Qt Creator is an IDE from Qt.
| | Moved to https://develop.kde.org/docs/getting-started/building/ide/qt-creator/ |
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| A screen recording version is available https://www.youtube.com/watch?v=ASnDeEaXnbI
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| ==kdesrc-build==
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| After you configure kdesrc-build and you can correctly build a KDE project such as kcalc.
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| Edit ~/.config/kdesrc-buildrc . It should look like:
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| {{Input|1=<nowiki>
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| global
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| ...
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| include-dependencies true
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| ...
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| kdedir ~/kde/usr
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| ... | |
| source-dir ~/kde/src
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| ...
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| build-dir ~/kde/build
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| ...
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| cmake-options -DCMAKE_BUILD_TYPE=Debug
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| ...
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| stop-on-failure false
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| ...
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| directory-layout invent
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| </nowiki>}}
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| The line above is important in order to use the debugger from Qt Creator.
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| Make sure you have the correct number on the line <code>num-cores </code>.
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| Build kcalc, make sure there are no errors:
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| {{Input|1=<nowiki>
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| kdesrc-build --include-dependencies kcalc
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| </nowiki>}}
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| ==Qt Creator==
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| Install Qt Creator. E.g. download from Qt the latest version. Or e.g. from your current Linux distribution's packages. E.g.
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| {{Input|1=<nowiki>
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| apt install qtcreator
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| </nowiki>}}
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| Start Qt Creator. E.g. from a terminal
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| {{Input|1=<nowiki>
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| qtcreator &
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| </nowiki>}}
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| From the qtcreator main menu
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| > File > Close All Projects and Editors
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| > File > Open File or Project <code>~/kde/src/utilities/kcalc/CMakeLists.txt</code>
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| Left Sidebar > Switch to Projects mode Ctrl+5 > Manage Kits... Under Manual, keep only "Desktop (default)". E.g. select Manual > Qt 5.15.4 (qt5) > Remove button > OK.
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| Button "Import Existing Build..." > Directory: ~/kde/build/utilities/kcalc > Choose.
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| Everything should be configured correctly.
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| Left Sidebar > Switch to Projects mode Ctrl+5 > Active project: kcalc. Build & Run: not the Desktop kit. Build Settings > build configuration: "Debug2".
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| Click on the left sidebar, the button above "Run Ctrl+R". It should show: Project: kcalc. Kit: not the Desktop kit. Deploy: Deploy Configuration. Build: Debug2. Run: kcalc.
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| Left Sidebar > Switch to Edit mode (Ctrl+2) > Select "Projects" from the combobox. In the "Projects" left hand treeview > kcalc > kcalc > Source Files > double click on the file kcalc.cpp. The file kcalc.cpp will be shown in the editor view. Click inside the source code in text editor.
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| In the text editor's top bar > function/identifier/method/type/symbols combobox, select the last item: <code>main(int, char***) -> int</code>. Click on the line with the opening curly bracket of the function main. From the main menu > Debug > Set or Remove Breakpoint (F9).
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| Left Sidebar > Start debugging of startup project. The debugger will start correctly and break on the source code line with the curly bracket.
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| From the main menu Debug > Step Over (F10)/Step Into(F11)/Step Out (Shift+F11).
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