Method markChanged

kdevplatform/debugger/breakpoint/breakpointmodel.cpp:559–610

}

void BreakpointModel::markChanged(KTextEditor::Document* document, KTextEditor::Mark mark,
    KTextEditor::Document::MarkChangeAction action)
{
    Q_D(const BreakpointModel);

    int type = mark.type;
    /* Is this a breakpoint mark, to begin with? */
    if (!(type & AllBreakpointMarks)) return;

    // This slot's only purpose is to add or remove a breakpoint in response to explicit user action.
    // Therefore, the slot is inhibited and returns early when invoked during programmatic mark changes.
    // TODO: in certain rare and unlikely scenarios, such as a call to KTextEditor::Document::setText(),
    // this slot is not inhibited when it should be. As a result, some breakpoint data (e.g. enabled
    // state, line number or breakpoint condition) can be lost. Changes in KTextEditor implementation
    // and even API additions are necessary to ensure proper inhibition.

    if (d->inhibitMarkChange)
        return;

    Q_ASSERT_X(!document->url().isEmpty(), Q_FUNC_INFO,
               "Somehow a breakpoint mark appeared in an untitled/unsaved document. This is not supported.");

    if (action == KTextEditor::Document::MarkAdded) {
        Breakpoint *b = breakpoint(document->url(), mark.line);
        if (b) {
            // This happens when the user Ctrl+clicks a mark of a breakpoint type
            // other than BreakpointActive (e.g. BreakpointDisabled) on a text editor border.
            // Delete the found breakpoint instance.
            removeBreakpoint(b);
            return;
        }
        // This happens when the user Ctrl+clicks a mark-less place of
        // a text editor border or adds a new breakpoint via the mark context menu.
        addCodeBreakpoint(document->url(), mark.line);
    } else {
        // This happens when the user Ctrl+clicks a BreakpointActive mark on a text editor border.
        // Find this breakpoint instance and delete it.
        Breakpoint *b = breakpoint(document->url(), mark.line);
        if (b) {
            removeBreakpoint(b);
        }
    }

#if 0
    if ( KDevelop::ICore::self()->documentController()->activeDocument() && KDevelop::ICore::self()->documentController()->activeDocument()->textDocument() == document )
    {
        //bring focus back to the editor
        // TODO probably want a different command here
        KDevelop::ICore::self()->documentController()->activateDocument(KDevelop::ICore::self()->documentController()->activeDocument());
    }
#endif
}

static constexpr int breakpointMarkPixmapSize = 32;