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path: root/include/vcl/weld.hxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#ifndef INCLUDED_VCL_WELD_HXX
#define INCLUDED_VCL_WELD_HXX

#include <rtl/ustring.hxx>
#include <tools/color.hxx>
#include <tools/date.hxx>
#include <tools/fldunit.hxx>
#include <tools/gen.hxx>
#include <tools/link.hxx>
#include <tools/time.hxx>
#include <vcl/dllapi.h>
#include <vcl/vclenum.hxx>
#include <vcl/font.hxx>
#include <vcl/menu.hxx>
#include <vcl/uitest/factory.hxx>

#include <com/sun/star/accessibility/XAccessibleRelationSet.hpp>
#include <com/sun/star/accessibility/XAccessible.hpp>

#include <vector>

namespace com
{
namespace sun
{
namespace star
{
namespace awt
{
class XWindow;
}
namespace graphic
{
class XGraphic;
}
}
}
}

typedef css::uno::Reference<css::accessibility::XAccessible> a11yref;
typedef css::uno::Reference<css::accessibility::XAccessibleRelationSet> a11yrelationset;

class SvNumberFormatter;
class KeyEvent;
class MouseEvent;
class OutputDevice;
class VirtualDevice;
struct SystemEnvData;

namespace vcl
{
class ILibreOfficeKitNotifier;
}

namespace weld
{
class Container;
class DialogController;

class VCL_DLLPUBLIC Widget
{
protected:
    Link<Widget&, void> m_aFocusInHdl;
    Link<Widget&, void> m_aFocusOutHdl;
    Link<const Size&, void> m_aSizeAllocateHdl;
    Link<const KeyEvent&, bool> m_aKeyPressHdl;
    Link<const KeyEvent&, bool> m_aKeyReleaseHdl;
    Link<const MouseEvent&, bool> m_aMousePressHdl;
    Link<const MouseEvent&, bool> m_aMouseMotionHdl;
    Link<const MouseEvent&, bool> m_aMouseReleaseHdl;

public:
    virtual void set_sensitive(bool sensitive) = 0;
    virtual bool get_sensitive() const = 0;
    virtual void set_visible(bool visible) = 0;
    virtual bool get_visible() const = 0; //if this widget visibility is true
    virtual bool is_visible() const = 0; //if this widget visibility and all parents is true
    virtual void set_can_focus(bool bCanFocus) = 0;
    virtual void grab_focus() = 0;
    virtual bool has_focus() const = 0;
    virtual void set_has_default(bool has_default) = 0;
    virtual bool get_has_default() const = 0;
    virtual void show() = 0;
    virtual void hide() = 0;
    void show(bool bShow)
    {
        if (bShow)
            show();
        else
            hide();
    }
    virtual void set_size_request(int nWidth, int nHeight) = 0;
    virtual Size get_size_request() const = 0;
    virtual Size get_preferred_size() const = 0;
    virtual float get_approximate_digit_width() const = 0;
    virtual int get_text_height() const = 0;
    virtual Size get_pixel_size(const OUString& rText) const = 0;
    virtual OString get_buildable_name() const = 0;
    virtual void set_help_id(const OString& rName) = 0;
    virtual OString get_help_id() const = 0;

    virtual void set_grid_left_attach(int nAttach) = 0;
    virtual int get_grid_left_attach() const = 0;
    virtual void set_grid_width(int nCols) = 0;
    virtual void set_grid_top_attach(int nAttach) = 0;
    virtual int get_grid_top_attach() const = 0;

    virtual void set_hexpand(bool bExpand) = 0;
    virtual bool get_hexpand() const = 0;
    virtual void set_vexpand(bool bExpand) = 0;
    virtual bool get_vexpand() const = 0;

    virtual void set_margin_top(int nMargin) = 0;
    virtual void set_margin_bottom(int nMargin) = 0;

    virtual bool get_extents_relative_to(Widget& rRelative, int& x, int& y, int& width, int& height)
        = 0;

    virtual void set_accessible_name(const OUString& rName) = 0;
    virtual OUString get_accessible_name() const = 0;

    virtual OUString get_accessible_description() const = 0;

    virtual void set_tooltip_text(const OUString& rTip) = 0;
    virtual OUString get_tooltip_text() const = 0;

    virtual void connect_focus_in(const Link<Widget&, void>& rLink)
    {
        assert(!m_aFocusInHdl.IsSet() || !rLink.IsSet());
        m_aFocusInHdl = rLink;
    }

    virtual void connect_focus_out(const Link<Widget&, void>& rLink)
    {
        assert(!m_aFocusOutHdl.IsSet() || !rLink.IsSet());
        m_aFocusOutHdl = rLink;
    }

    virtual void connect_size_allocate(const Link<const Size&, void>& rLink)
    {
        assert(!m_aSizeAllocateHdl.IsSet() || !rLink.IsSet());
        m_aSizeAllocateHdl = rLink;
    }

    virtual void connect_key_press(const Link<const KeyEvent&, bool>& rLink)
    {
        assert(!m_aKeyPressHdl.IsSet() || !rLink.IsSet());
        m_aKeyPressHdl = rLink;
    }

    virtual void connect_key_release(const Link<const KeyEvent&, bool>& rLink)
    {
        assert(!m_aKeyReleaseHdl.IsSet() || !rLink.IsSet());
        m_aKeyReleaseHdl = rLink;
    }

    virtual void connect_mouse_press(const Link<const MouseEvent&, bool>& rLink)
    {
        assert(!m_aMousePressHdl.IsSet() || !rLink.IsSet());
        m_aMousePressHdl = rLink;
    }

    virtual void connect_mouse_move(const Link<const MouseEvent&, bool>& rLink)
    {
        assert(!m_aMouseMotionHdl.IsSet() || !rLink.IsSet());
        m_aMouseMotionHdl = rLink;
    }

    virtual void connect_mouse_release(const Link<const MouseEvent&, bool>& rLink)
    {
        assert(!m_aMouseReleaseHdl.IsSet() || !rLink.IsSet());
        m_aMouseReleaseHdl = rLink;
    }

    virtual void grab_add() = 0;
    virtual bool has_grab() const = 0;
    virtual void grab_remove() = 0;

    // font size is in points, not pixels, e.g. see Window::[G]etPointFont
    virtual vcl::Font get_font() = 0;

    //true for rtl, false otherwise
    virtual bool get_direction() const = 0;
    virtual void set_direction(bool bRTL) = 0;

    virtual void freeze() = 0;
    virtual void thaw() = 0;

    virtual Container* weld_parent() const = 0;

    //iterate upwards through the hierarchy starting at this widgets parent,
    //calling func with their helpid until func returns true or we run out of
    //parents
    virtual void help_hierarchy_foreach(const std::function<bool(const OString&)>& func) = 0;

    virtual ~Widget() {}
};

class VCL_DLLPUBLIC Container : virtual public Widget
{
public:
    //remove and add in one go
    virtual void move(weld::Widget* pWidget, weld::Container* pNewParent) = 0;
};

class VCL_DLLPUBLIC ScrolledWindow : virtual public Container
{
protected:
    Link<ScrolledWindow&, void> m_aVChangeHdl;
    Link<ScrolledWindow&, void> m_aHChangeHdl;

    void signal_vadjustment_changed() { m_aVChangeHdl.Call(*this); }
    void signal_hadjustment_changed() { m_aHChangeHdl.Call(*this); }

public:
    virtual void set_user_managed_scrolling() = 0;

    virtual void hadjustment_configure(int value, int lower, int upper, int step_increment,
                                       int page_increment, int page_size)
        = 0;
    virtual int hadjustment_get_value() const = 0;
    virtual void hadjustment_set_value(int value) = 0;
    virtual int hadjustment_get_upper() const = 0;
    virtual void hadjustment_set_upper(int upper) = 0;
    virtual int hadjustment_get_page_size() const = 0;
    virtual void set_hpolicy(VclPolicyType eHPolicy) = 0;
    virtual VclPolicyType get_hpolicy() const = 0;
    void connect_hadjustment_changed(const Link<ScrolledWindow&, void>& rLink)
    {
        m_aHChangeHdl = rLink;
    }
    virtual int get_hscroll_height() const = 0;

    virtual void vadjustment_configure(int value, int lower, int upper, int step_increment,
                                       int page_increment, int page_size)
        = 0;
    virtual int vadjustment_get_value() const = 0;
    virtual void vadjustment_set_value(int value) = 0;
    virtual int vadjustment_get_upper() const = 0;
    virtual void vadjustment_set_upper(int upper) = 0;
    virtual int vadjustment_get_page_size() const = 0;
    virtual int vadjustment_get_lower() const = 0;
    virtual void vadjustment_set_lower(int upper) = 0;
    virtual void set_vpolicy(VclPolicyType eVPolicy) = 0;
    virtual VclPolicyType get_vpolicy() const = 0;
    void connect_vadjustment_changed(const Link<ScrolledWindow&, void>& rLink)
    {
        m_aVChangeHdl = rLink;
    }
    virtual int get_vscroll_width() const = 0;
};

class VCL_DLLPUBLIC Frame : virtual public Container
{
public:
    virtual void set_label(const OUString& rText) = 0;
    virtual OUString get_label() const = 0;
};

class VCL_DLLPUBLIC Notebook : virtual public Container
{
protected:
    Link<const OString&, bool> m_aLeavePageHdl;
    Link<const OString&, void> m_aEnterPageHdl;

public:
    virtual int get_current_page() const = 0;
    virtual OString get_current_page_ident() const = 0;
    virtual void set_current_page(int nPage) = 0;
    virtual void set_current_page(const OString& rIdent) = 0;
    virtual void remove_page(const OString& rIdent) = 0;
    virtual void append_page(const OString& rIdent, const OUString& rLabel) = 0;
    virtual OUString get_tab_label_text(const OString& rIdent) const = 0;
    virtual int get_n_pages() const = 0;
    virtual weld::Container* get_page(const OString& rIdent) const = 0;

    void connect_leave_page(const Link<const OString&, bool>& rLink) { m_aLeavePageHdl = rLink; }

    void connect_enter_page(const Link<const OString&, void>& rLink) { m_aEnterPageHdl = rLink; }
};

class VCL_DLLPUBLIC Window : virtual public Container
{
protected:
    Link<Widget&, bool> m_aHelpRequestHdl;

public:
    virtual void set_title(const OUString& rTitle) = 0;
    virtual OUString get_title() const = 0;
    virtual void set_busy_cursor(bool bBusy) = 0;
    virtual void window_move(int x, int y) = 0;
    virtual void set_modal(bool bModal) = 0;
    virtual bool get_modal() const = 0;
    virtual bool get_resizable() const = 0;
    virtual Size get_size() const = 0;
    virtual Point get_position() const = 0;
    virtual bool has_toplevel_focus() const = 0;
    virtual void present() = 0;
    virtual void set_window_state(const OString& rStr) = 0;
    virtual OString get_window_state(WindowStateMask nMask) const = 0;

    virtual css::uno::Reference<css::awt::XWindow> GetXWindow() = 0;

    void connect_help(const Link<Widget&, bool>& rLink) { m_aHelpRequestHdl = rLink; }

    virtual SystemEnvData get_system_data() const = 0;

    virtual void resize_to_request() = 0;
};

class VCL_DLLPUBLIC WaitObject
{
private:
    weld::Window* m_pWindow;

public:
    WaitObject(weld::Window* pWindow)
        : m_pWindow(pWindow)
    {
        m_pWindow->set_busy_cursor(true);
    }
    ~WaitObject() { m_pWindow->set_busy_cursor(false); }
};

class Button;

class VCL_DLLPUBLIC Dialog : virtual public Window
{
private:
    friend DialogController;
    virtual bool runAsync(std::shared_ptr<DialogController>,
                          const std::function<void(sal_Int32)>& func)
        = 0;

public:
    virtual int run() = 0;
    // Run async without a controller
    virtual bool runAsync(const std::function<void(sal_Int32)>& func) = 0;
    virtual void response(int response) = 0;
    virtual void add_button(const OUString& rText, int response, const OString& rHelpId = OString())
        = 0;
    virtual void set_default_response(int response) = 0;
    virtual Button* get_widget_for_response(int response) = 0;
    virtual Container* weld_content_area() = 0;

    virtual void SetInstallLOKNotifierHdl(const Link<void*, vcl::ILibreOfficeKitNotifier*>& rLink)
        = 0;
};

class VCL_DLLPUBLIC MessageDialog : virtual public Dialog
{
public:
    virtual void set_primary_text(const OUString& rText) = 0;
    virtual OUString get_primary_text() const = 0;
    virtual void set_secondary_text(const OUString& rText) = 0;
    virtual OUString get_secondary_text() const = 0;
    virtual Container* weld_message_area() = 0;
};

struct VCL_DLLPUBLIC ComboBoxEntry
{
    OUString sString;
    OUString sId;
    OUString sImage;
    ComboBoxEntry(const OUString& rString)
        : sString(rString)
    {
    }
    ComboBoxEntry(const OUString& rString, const OUString& rId)
        : sString(rString)
        , sId(rId)
    {
    }
    ComboBoxEntry(const OUString& rString, const OUString& rId, const OUString& rImage)
        : sString(rString)
        , sId(rId)
        , sImage(rImage)
    {
    }
};

class VCL_DLLPUBLIC ComboBox : virtual public Container
{
private:
    OUString m_sSavedValue;

protected:
    Link<ComboBox&, void> m_aChangeHdl;
    Link<ComboBox&, bool> m_aEntryActivateHdl;
    Link<OUString&, bool> m_aEntryInsertTextHdl;

    void signal_changed() { m_aChangeHdl.Call(*this); }

public:
    virtual void insert(int pos, const OUString& rStr, const OUString* pId,
                        const OUString* pIconName, VirtualDevice* pImageSurface)
        = 0;
    virtual void insert_vector(const std::vector<weld::ComboBoxEntry>& rItems, bool bKeepExisting)
        = 0;
    void insert_text(int pos, const OUString& rStr)
    {
        insert(pos, rStr, nullptr, nullptr, nullptr);
    }
    void append_text(const OUString& rStr) { insert(-1, rStr, nullptr, nullptr, nullptr); }
    void append(const OUString& rId, const OUString& rStr)
    {
        insert(-1, rStr, &rId, nullptr, nullptr);
    }
    void append(const OUString& rId, const OUString& rStr, const OUString& rImage)
    {
        insert(-1, rStr, &rId, &rImage, nullptr);
    }
    void append(const OUString& rId, const OUString& rStr, VirtualDevice& rImage)
    {
        insert(-1, rStr, &rId, nullptr, &rImage);
    }
    virtual void insert_separator(int pos) = 0;
    void append_separator() { insert_separator(-1); }

    virtual int get_count() const = 0;
    virtual void make_sorted() = 0;
    virtual void clear() = 0;

    //by index
    virtual int get_active() const = 0;
    virtual void set_active(int pos) = 0;
    virtual void remove(int pos) = 0;

    //by text
    virtual OUString get_active_text() const = 0;
    void set_active_text(const OUString& rStr) { set_active(find_text(rStr)); }
    virtual OUString get_text(int pos) const = 0;
    virtual int find_text(const OUString& rStr) const = 0;
    void remove_text(const OUString& rText) { remove(find_text(rText)); }

    //by id
    virtual OUString get_active_id() const = 0;
    virtual void set_active_id(const OUString& rStr) = 0;
    virtual OUString get_id(int pos) const = 0;
    virtual void set_id(int row, const OUString& rId) = 0;
    virtual int find_id(const OUString& rId) const = 0;
    void remove_id(const OUString& rId) { remove(find_id(rId)); }

    void connect_changed(const Link<ComboBox&, void>& rLink) { m_aChangeHdl = rLink; }

    //entry related
    virtual bool has_entry() const = 0;
    virtual void set_entry_error(bool bError) = 0;
    virtual void set_entry_text(const OUString& rStr) = 0;
    virtual void set_entry_width_chars(int nChars) = 0;
    virtual void set_entry_max_length(int nChars) = 0;
    virtual void select_entry_region(int nStartPos, int nEndPos) = 0;
    virtual bool get_entry_selection_bounds(int& rStartPos, int& rEndPos) = 0;
    virtual void set_entry_completion(bool bEnable) = 0;

    virtual bool get_popup_shown() const = 0;

    void connect_entry_insert_text(const Link<OUString&, bool>& rLink)
    {
        m_aEntryInsertTextHdl = rLink;
    }

    // callback returns true to indicated no further processing of activate wanted
    void connect_entry_activate(const Link<ComboBox&, bool>& rLink) { m_aEntryActivateHdl = rLink; }

    void save_value() { m_sSavedValue = get_active_text(); }
    OUString const& get_saved_value() const { return m_sSavedValue; }
    bool get_value_changed_from_saved() const { return m_sSavedValue != get_active_text(); }
};

class VCL_DLLPUBLIC TreeIter
{
private:
    TreeIter(const TreeIter&) = delete;
    TreeIter& operator=(const TreeIter&) = delete;

public:
    TreeIter() {}
    virtual ~TreeIter() {}
};

class VCL_DLLPUBLIC TreeView : virtual public Container
{
protected:
    Link<TreeView&, void> m_aChangeHdl;
    Link<TreeView&, void> m_aRowActivatedHdl;
    Link<int, void> m_aColumnClickedHdl;
    Link<const std::pair<int, int>&, void> m_aRadioToggleHdl;
    // if handler returns false, the expansion of the row is refused
    Link<const TreeIter&, bool> m_aExpandingHdl;
    Link<TreeView&, void> m_aVisibleRangeChangedHdl;
    Link<TreeView&, void> m_aModelChangedHdl;

    std::vector<int> m_aRadioIndexes;

    void signal_changed() { m_aChangeHdl.Call(*this); }
    void signal_row_activated() { m_aRowActivatedHdl.Call(*this); }
    void signal_column_clicked(int nColumn) { m_aColumnClickedHdl.Call(nColumn); }
    bool signal_expanding(const TreeIter& rIter)
    {
        return !m_aExpandingHdl.IsSet() || m_aExpandingHdl.Call(rIter);
    }
    void signal_visible_range_changed() { m_aVisibleRangeChangedHdl.Call(*this); }
    void signal_model_changed() { m_aModelChangedHdl.Call(*this); }

    // arg is pair<row,col>
    void signal_toggled(const std::pair<int, int>& rRowCol) { m_aRadioToggleHdl.Call(rRowCol); }

public:
    virtual void insert(const weld::TreeIter* pParent, int pos, const OUString* pStr,
                        const OUString* pId, const OUString* pIconName,
                        VirtualDevice* pImageSurface, const OUString* pExpanderName,
                        bool bChildrenOnDemand, TreeIter* pRet)
        = 0;

    void insert(int nRow, TreeIter* pRet = nullptr)
    {
        insert(nullptr, nRow, nullptr, nullptr, nullptr, nullptr, nullptr, false, pRet);
    }

    void append(TreeIter* pRet = nullptr) { insert(-1, pRet); }

    void insert(int pos, const OUString& rStr, const OUString* pId, const OUString* pIconName,
                VirtualDevice* pImageSurface)
    {
        insert(nullptr, pos, &rStr, pId, pIconName, pImageSurface, nullptr, false, nullptr);
    }
    void insert_text(int pos, const OUString& rStr)
    {
        insert(nullptr, pos, &rStr, nullptr, nullptr, nullptr, nullptr, false, nullptr);
    }
    void append_text(const OUString& rStr)
    {
        insert(nullptr, -1, &rStr, nullptr, nullptr, nullptr, nullptr, false, nullptr);
    }
    void append(const OUString& rId, const OUString& rStr)
    {
        insert(nullptr, -1, &rStr, &rId, nullptr, nullptr, nullptr, false, nullptr);
    }
    void append(const OUString& rId, const OUString& rStr, const OUString& rImage)
    {
        insert(nullptr, -1, &rStr, &rId, &rImage, nullptr, nullptr, false, nullptr);
    }
    void append(const weld::TreeIter* pParent, const OUString& rId, const OUString& rStr,
                const OUString& rImage)
    {
        insert(pParent, -1, &rStr, &rId, &rImage, nullptr, nullptr, false, nullptr);
    }
    void append(const weld::TreeIter* pParent, const OUString& rStr)
    {
        insert(pParent, -1, &rStr, nullptr, nullptr, nullptr, nullptr, false, nullptr);
    }
    void append(const OUString& rId, const OUString& rStr, VirtualDevice& rImage)
    {
        insert(nullptr, -1, &rStr, &rId, nullptr, &rImage, nullptr, false, nullptr);
    }

    void connect_changed(const Link<TreeView&, void>& rLink) { m_aChangeHdl = rLink; }
    void connect_row_activated(const Link<TreeView&, void>& rLink) { m_aRowActivatedHdl = rLink; }
    void connect_toggled(const Link<const std::pair<int, int>&, void>& rLink)
    {
        m_aRadioToggleHdl = rLink;
    }
    void connect_column_clicked(const Link<int, void>& rLink) { m_aColumnClickedHdl = rLink; }
    void connect_model_changed(const Link<TreeView&, void>& rLink) { m_aModelChangedHdl = rLink; }

    //by index
    virtual int get_selected_index() const = 0;
    virtual void select(int pos) = 0;
    virtual void unselect(int pos) = 0;
    virtual void remove(int pos) = 0;
    virtual OUString get_text(int row, int col = -1) const = 0;
    virtual void set_text(int row, const OUString& rText, int col = -1) = 0;
    virtual void set_sensitive(int row, bool bSensitive, int col = -1) = 0;
    virtual void set_id(int row, const OUString& rId) = 0;
    virtual void set_toggle(int row, bool bOn, int col) = 0;
    virtual bool get_toggle(int row, int col) const = 0;
    virtual void set_image(int row, const OUString& rImage, int col = -1) = 0;
    virtual void set_image(int row, VirtualDevice& rImage, int col = -1) = 0;
    virtual void set_image(int row, const css::uno::Reference<css::graphic::XGraphic>& rImage,
                           int col = -1)
        = 0;
    virtual void set_top_entry(int pos) = 0;
    virtual void swap(int pos1, int pos2) = 0;
    virtual std::vector<int> get_selected_rows() const = 0;
    virtual void set_font_color(int pos, const Color& rColor) const = 0;
    virtual void scroll_to_row(int pos) = 0;
    virtual void set_cursor(int pos) = 0;

    //by text
    virtual int find_text(const OUString& rText) const = 0;
    OUString get_selected_text() const
    {
        int index = get_selected_index();
        return index != -1 ? get_text(index) : OUString();
    }
    void select_text(const OUString& rText) { select(find_text(rText)); }
    void remove_text(const OUString& rText) { remove(find_text(rText)); }
    std::vector<OUString> get_selected_rows_text() const
    {
        std::vector<int> aRows(get_selected_rows());
        std::vector<OUString> aRet;
        aRet.reserve(aRows.size());
        for (auto a : aRows)
            aRet.push_back(get_text(a));
        return aRet;
    }

    //by id
    virtual OUString get_id(int pos) const = 0;
    virtual int find_id(const OUString& rId) const = 0;
    OUString get_selected_id() const
    {
        int pos = get_selected_index();
        return pos == -1 ? OUString() : get_id(pos);
    }
    void select_id(const OUString& rId) { select(find_id(rId)); }

    //via iter
    virtual std::unique_ptr<TreeIter> make_iterator(const TreeIter* pOrig = nullptr) const = 0;
    virtual void copy_iterator(const TreeIter& rSource, TreeIter& rDest) const = 0;
    virtual bool get_selected(TreeIter* pIter) const = 0;
    virtual bool get_cursor(TreeIter* pIter) const = 0;
    virtual void set_cursor(const TreeIter& rIter) = 0;
    virtual bool get_iter_first(TreeIter& rIter) const = 0;
    // set iter to point to next node at the current level
    virtual bool iter_next_sibling(TreeIter& rIter) const = 0;
    // set iter to point to next node, depth first, then sibling
    virtual bool iter_next(TreeIter& rIter) const = 0;
    virtual bool iter_children(TreeIter& rIter) const = 0;
    bool iter_nth_sibling(TreeIter& rIter, int nChild) const
    {
        bool bRet = true;
        for (int i = 0; i < nChild && bRet; ++i)
            bRet = iter_next_sibling(rIter);
        return bRet;
    }
    bool iter_nth_child(TreeIter& rIter, int nChild) const
    {
        if (!iter_children(rIter))
            return false;
        return iter_nth_sibling(rIter, nChild);
    }
    virtual bool iter_parent(TreeIter& rIter) const = 0;
    virtual int get_iter_depth(const TreeIter& rIter) const = 0;
    virtual bool iter_has_child(const TreeIter& rIter) const = 0;
    virtual void remove(const TreeIter& rIter) = 0;
    virtual void select(const TreeIter& rIter) = 0;
    virtual void unselect(const TreeIter& rIter) = 0;
    virtual bool get_row_expanded(const TreeIter& rIter) const = 0;
    virtual void expand_row(const TreeIter& rIter) = 0;
    virtual void collapse_row(const TreeIter& rIter) = 0;
    virtual void set_text(const TreeIter& rIter, const OUString& rStr, int col = -1) = 0;
    virtual void set_image(const weld::TreeIter& rIter, const OUString& rImage, int col = -1) = 0;
    virtual OUString get_text(const TreeIter& rIter, int col = -1) const = 0;
    virtual void set_id(const TreeIter& rIter, const OUString& rId) = 0;
    virtual OUString get_id(const TreeIter& rIter) const = 0;
    virtual void set_image(const TreeIter& rIter,
                           const css::uno::Reference<css::graphic::XGraphic>& rImage, int col)
        = 0;
    virtual void scroll_to_row(const TreeIter& rIter) = 0;
    virtual bool is_selected(const TreeIter& rIter) const = 0;

    virtual void selected_foreach(const std::function<void(TreeIter&)>& func) = 0;
    virtual void visible_foreach(const std::function<void(TreeIter&)>& func) = 0;

    void connect_expanding(const Link<const TreeIter&, bool>& rLink) { m_aExpandingHdl = rLink; }

    virtual void connect_visible_range_changed(const Link<TreeView&, void>& rLink)
    {
        assert(!m_aVisibleRangeChangedHdl.IsSet() || !rLink.IsSet());
        m_aVisibleRangeChangedHdl = rLink;
    }

    //all of them
    void select_all() { unselect(-1); }
    void unselect_all() { select(-1); }

    virtual int n_children() const = 0;

    virtual void make_sorted() = 0;
    virtual bool get_sort_order() const = 0;
    virtual void set_sort_order(bool bAscending) = 0;
    // TRUE ascending, FALSE, descending, INDET, neither (off)
    virtual void set_sort_indicator(TriState eState, int nColumn = -1) = 0;
    virtual TriState get_sort_indicator(int nColumn = -1) const = 0;
    virtual int get_sort_column() const = 0;
    virtual void set_sort_column(int nColumn) = 0;

    virtual void clear() = 0;
    virtual int get_height_rows(int nRows) const = 0;

    virtual void set_column_fixed_widths(const std::vector<int>& rWidths) = 0;
    virtual int get_column_width(int nCol) const = 0;
    virtual OUString get_column_title(int nColumn) const = 0;
    virtual void set_column_title(int nColumn, const OUString& rTitle) = 0;

    int get_checkbox_column_width() const { return get_approximate_digit_width() * 3 + 6; }

    virtual void set_selection_mode(SelectionMode eMode) = 0;
    virtual int count_selected_rows() const = 0;

    void set_toggle_columns_as_radio(const std::vector<int>& rCols) { m_aRadioIndexes = rCols; }

    using Widget::set_sensitive;
};

class VCL_DLLPUBLIC Button : virtual public Container
{
protected:
    Link<Button&, void> m_aClickHdl;

    void signal_clicked() { m_aClickHdl.Call(*this); }

public:
    virtual void set_label(const OUString& rText) = 0;
    // pDevice, the image for the button, or nullptr to unset
    virtual void set_image(VirtualDevice* pDevice) = 0;
    virtual void set_from_icon_name(const OUString& rIconName) = 0;
    virtual OUString get_label() const = 0;
    virtual void set_label_line_wrap(bool wrap) = 0;
    void clicked() { signal_clicked(); }

    void connect_clicked(const Link<Button&, void>& rLink) { m_aClickHdl = rLink; }
};

class VCL_DLLPUBLIC ToggleButton : virtual public Button
{
protected:
    Link<ToggleButton&, void> m_aToggleHdl;
    TriState m_eSavedValue = TRISTATE_FALSE;

    void signal_toggled() { m_aToggleHdl.Call(*this); }

public:
    virtual void set_active(bool active) = 0;
    virtual bool get_active() const = 0;

    virtual void set_inconsistent(bool inconsistent) = 0;
    virtual bool get_inconsistent() const = 0;

    TriState get_state() const
    {
        if (get_inconsistent())
            return TRISTATE_INDET;
        else if (get_active())
            return TRISTATE_TRUE;
        return TRISTATE_FALSE;
    }

    void set_state(TriState eState)
    {
        switch (eState)
        {
            case TRISTATE_INDET:
                set_inconsistent(true);
                break;
            case TRISTATE_TRUE:
                set_inconsistent(false);
                set_active(true);
                break;
            case TRISTATE_FALSE:
                set_inconsistent(false);
                set_active(false);
                break;
        }
    }

    void save_state() { m_eSavedValue = get_state(); }
    TriState get_saved_state() const { return m_eSavedValue; }
    bool get_state_changed_from_saved() const { return m_eSavedValue != get_state(); }

    virtual void connect_toggled(const Link<ToggleButton&, void>& rLink) { m_aToggleHdl = rLink; }
};

class VCL_DLLPUBLIC MenuButton : virtual public ToggleButton
{
protected:
    Link<const OString&, void> m_aSelectHdl;

    void signal_selected(const OString& rIdent) { m_aSelectHdl.Call(rIdent); }

public:
    void connect_selected(const Link<const OString&, void>& rLink) { m_aSelectHdl = rLink; }

    virtual void insert_item(int pos, const OUString& rId, const OUString& rStr,
                             const OUString* pIconName, VirtualDevice* pImageSufface, bool bCheck)
        = 0;
    void append_item(const OUString& rId, const OUString& rStr)
    {
        insert_item(-1, rId, rStr, nullptr, nullptr, false);
    }
    void append_item_check(const OUString& rId, const OUString& rStr)
    {
        insert_item(-1, rId, rStr, nullptr, nullptr, true);
    }
    void append_item(const OUString& rId, const OUString& rStr, const OUString& rImage)
    {
        insert_item(-1, rId, rStr, &rImage, nullptr, false);
    }
    void append_item(const OUString& rId, const OUString& rStr, VirtualDevice& rImage)
    {
        insert_item(-1, rId, rStr, nullptr, &rImage, false);
    }
    virtual void remove_item(const OString& rId) = 0;
    virtual void set_item_sensitive(const OString& rIdent, bool bSensitive) = 0;
    virtual void set_item_active(const OString& rIdent, bool bActive) = 0;
    virtual void set_item_label(const OString& rIdent, const OUString& rLabel) = 0;
    virtual void set_item_help_id(const OString& rIdent, const OString& rHelpId) = 0;
    virtual OString get_item_help_id(const OString& rIdent) const = 0;

    virtual void set_popover(weld::Widget* pPopover) = 0;
};

class VCL_DLLPUBLIC CheckButton : virtual public ToggleButton
{
};

class VCL_DLLPUBLIC RadioButton : virtual public ToggleButton
{
};

class VCL_DLLPUBLIC LinkButton : virtual public Container
{
protected:
    Link<LinkButton&, void> m_aClickHdl;

    void signal_clicked() { m_aClickHdl.Call(*this); }

public:
    virtual void set_label(const OUString& rText) = 0;
    virtual OUString get_label() const = 0;
    virtual void set_uri(const OUString& rUri) = 0;
    virtual OUString get_uri() const = 0;

    void clicked() { signal_clicked(); }

    void connect_clicked(const Link<LinkButton&, void>& rLink) { m_aClickHdl = rLink; }
};

class VCL_DLLPUBLIC Scale : virtual public Widget
{
protected:
    Link<Scale&, void> m_aValueChangedHdl;

    void signal_value_changed() { m_aValueChangedHdl.Call(*this); }

public:
    virtual void set_value(int value) = 0;
    virtual int get_value() const = 0;
    virtual void set_range(int min, int max) = 0;
    void connect_value_changed(const Link<Scale&, void>& rLink) { m_aValueChangedHdl = rLink; }
};

class VCL_DLLPUBLIC Spinner : virtual public Widget
{
public:
    virtual void start() = 0;
    virtual void stop() = 0;
};

class VCL_DLLPUBLIC ProgressBar : virtual public Widget
{
public:
    //0-100
    virtual void set_percentage(int value) = 0;
    virtual OUString get_text() const = 0;
    virtual void set_text(const OUString& rText) = 0;
};

class VCL_DLLPUBLIC Entry : virtual public Widget
{
private:
    OUString m_sSavedValue;

protected:
    Link<Entry&, void> m_aChangeHdl;
    Link<OUString&, bool> m_aInsertTextHdl;
    Link<Entry&, void> m_aCursorPositionHdl;
    Link<Entry&, bool> m_aActivateHdl;

    void signal_changed() { m_aChangeHdl.Call(*this); }
    void signal_cursor_position() { m_aCursorPositionHdl.Call(*this); }
    void signal_insert_text(OUString& rString);

public:
    virtual void set_text(const OUString& rText) = 0;
    virtual OUString get_text() const = 0;
    virtual void set_width_chars(int nChars) = 0;
    virtual int get_width_chars() const = 0;
    virtual void set_max_length(int nChars) = 0;
    // nEndPos can be -1 in order to select all text
    virtual void select_region(int nStartPos, int nEndPos) = 0;
    virtual bool get_selection_bounds(int& rStartPos, int& rEndPos) = 0;
    virtual void set_position(int nCursorPos) = 0;
    virtual int get_position() const = 0;
    virtual void set_editable(bool bEditable) = 0;
    virtual bool get_editable() const = 0;
    virtual void set_error(bool bShowError) = 0;

    // font size is in points, not pixels, e.g. see Window::[G]etPointFont
    virtual void set_font(const vcl::Font& rFont) = 0;

    void connect_changed(const Link<Entry&, void>& rLink) { m_aChangeHdl = rLink; }
    void connect_insert_text(const Link<OUString&, bool>& rLink) { m_aInsertTextHdl = rLink; }
    // callback returns true to indicated no further processing of activate wanted
    void connect_activate(const Link<Entry&, bool>& rLink) { m_aActivateHdl = rLink; }
    virtual void connect_cursor_position(const Link<Entry&, void>& rLink)
    {
        m_aCursorPositionHdl = rLink;
    }

    void save_value() { m_sSavedValue = get_text(); }
    bool get_value_changed_from_saved() const { return m_sSavedValue != get_text(); }
};

class VCL_DLLPUBLIC SpinButton : virtual public Entry
{
protected:
    Link<SpinButton&, void> m_aValueChangedHdl;
    Link<SpinButton&, void> m_aOutputHdl;
    Link<int*, bool> m_aInputHdl;

    void signal_value_changed() { m_aValueChangedHdl.Call(*this); }

    bool signal_output()
    {
        if (!m_aOutputHdl.IsSet())
            return false;
        m_aOutputHdl.Call(*this);
        return true;
    }

    TriState signal_input(int* result)
    {
        if (!m_aInputHdl.IsSet())
            return TRISTATE_INDET;
        return m_aInputHdl.Call(result) ? TRISTATE_TRUE : TRISTATE_FALSE;
    }

public:
    virtual void set_value(int value) = 0;
    virtual int get_value() const = 0;
    virtual void set_range(int min, int max) = 0;
    virtual void get_range(int& min, int& max) const = 0;
    void set_min(int min)
    {
        int dummy, max;
        get_range(dummy, max);
        set_range(min, max);
    }
    void set_max(int max)
    {
        int min, dummy;
        get_range(min, dummy);
        set_range(min, max);
    }
    int get_min() const
    {
        int min, dummy;
        get_range(min, dummy);
        return min;
    }
    int get_max() const
    {
        int dummy, max;
        get_range(dummy, max);
        return max;
    }
    virtual void set_increments(int step, int page) = 0;
    virtual void get_increments(int& step, int& page) const = 0;
    virtual void set_digits(unsigned int digits) = 0;
    virtual unsigned int get_digits() const = 0;

    void connect_value_changed(const Link<SpinButton&, void>& rLink) { m_aValueChangedHdl = rLink; }

    void connect_output(const Link<SpinButton&, void>& rLink) { m_aOutputHdl = rLink; }
    void connect_input(const Link<int*, bool>& rLink) { m_aInputHdl = rLink; }

    int normalize(int nValue) const { return (nValue * Power10(get_digits())); }

    int denormalize(int nValue) const;

    static unsigned int Power10(unsigned int n);
};

class VCL_DLLPUBLIC FormattedSpinButton : virtual public Entry
{
protected:
    Link<FormattedSpinButton&, void> m_aValueChangedHdl;

    void signal_value_changed() { m_aValueChangedHdl.Call(*this); }

public:
    virtual void set_value(double value) = 0;
    virtual double get_value() const = 0;
    virtual void set_range(double min, double max) = 0;
    virtual void get_range(double& min, double& max) const = 0;

    void set_max(double max)
    {
        double min, dummy;
        get_range(min, dummy);
        set_range(min, max);
    }

    virtual void set_formatter(SvNumberFormatter* pFormatter) = 0;
    virtual sal_Int32 get_format_key() const = 0;
    virtual void set_format_key(sal_Int32 nFormatKey) = 0;

    void connect_value_changed(const Link<FormattedSpinButton&, void>& rLink)
    {
        m_aValueChangedHdl = rLink;
    }
};

class VCL_DLLPUBLIC Image : virtual public Widget
{
public:
    virtual void set_from_icon_name(const OUString& rIconName) = 0;
};

class VCL_DLLPUBLIC Calendar : virtual public Widget
{
protected:
    Link<Calendar&, void> m_aSelectedHdl;
    Link<Calendar&, void> m_aActivatedHdl;

    void signal_selected() { m_aSelectedHdl.Call(*this); }
    void signal_activated() { m_aActivatedHdl.Call(*this); }

public:
    void connect_selected(const Link<Calendar&, void>& rLink) { m_aSelectedHdl = rLink; }
    void connect_activated(const Link<Calendar&, void>& rLink) { m_aActivatedHdl = rLink; }

    virtual void set_date(const Date& rDate) = 0;
    virtual Date get_date() const = 0;
};

// an entry + treeview pair, where the entry autocompletes from the
// treeview list, and selecting something in the list sets the
// entry to that text, i.e. a visually exploded ComboBox
class VCL_DLLPUBLIC EntryTreeView : virtual public ComboBox
{
private:
    DECL_DLLPRIVATE_LINK(ClickHdl, weld::TreeView&, void);
    DECL_DLLPRIVATE_LINK(ModifyHdl, weld::Entry&, void);
    void EntryModifyHdl(const weld::Entry& rEntry);

protected:
    std::unique_ptr<Entry> m_xEntry;
    std::unique_ptr<TreeView> m_xTreeView;

public:
    EntryTreeView(std::unique_ptr<Entry> xEntry, std::unique_ptr<TreeView> xTreeView);

    virtual void insert_vector(const std::vector<weld::ComboBoxEntry>& rItems,
                               bool bKeepExisting) override
    {
        m_xTreeView->freeze();
        if (!bKeepExisting)
            m_xTreeView->clear();
        for (const auto& rItem : rItems)
        {
            m_xTreeView->insert(-1, rItem.sString, rItem.sId.isEmpty() ? nullptr : &rItem.sId,
                                rItem.sImage.isEmpty() ? nullptr : &rItem.sImage, nullptr);
        }
        m_xTreeView->thaw();
    }

    virtual void insert(int pos, const OUString& rStr, const OUString* pId,
                        const OUString* pIconName, VirtualDevice* pImageSurface) override
    {
        m_xTreeView->insert(pos, rStr, pId, pIconName, pImageSurface);
    }

    virtual int get_count() const override { return m_xTreeView->n_children(); }
    virtual void clear() override { m_xTreeView->clear(); }

    //by index
    virtual int get_active() const override { return m_xTreeView->get_selected_index(); }
    virtual void set_active(int pos) override
    {
        m_xTreeView->set_cursor(pos);
        m_xTreeView->select(pos);
        m_xEntry->set_text(m_xTreeView->get_selected_text());
    }
    virtual void remove(int pos) override { m_xTreeView->remove(pos); }

    //by text
    virtual OUString get_active_text() const override { return m_xEntry->get_text(); }
    virtual OUString get_text(int pos) const override { return m_xTreeView->get_text(pos); }
    virtual int find_text(const OUString& rStr) const override
    {
        return m_xTreeView->find_text(rStr);
    }

    //by id
    virtual OUString get_active_id() const override { return m_xTreeView->get_selected_id(); }
    virtual void set_active_id(const OUString& rStr) override
    {
        m_xTreeView->select_id(rStr);
        m_xEntry->set_text(m_xTreeView->get_selected_text());
    }
    virtual OUString get_id(int pos) const override { return m_xTreeView->get_id(pos); }
    virtual void set_id(int pos, const OUString& rId) override { m_xTreeView->set_id(pos, rId); }
    virtual int find_id(const OUString& rId) const override { return m_xTreeView->find_id(rId); }

    //entry related
    virtual bool has_entry() const override { return true; }
    virtual void set_entry_error(bool bError) override { m_xEntry->set_error(bError); }
    virtual void set_entry_text(const OUString& rStr) override { m_xEntry->set_text(rStr); }
    virtual void set_entry_width_chars(int nChars) override { m_xEntry->set_width_chars(nChars); }
    virtual void set_entry_max_length(int nChars) override { m_xEntry->set_max_length(nChars); }
    virtual void select_entry_region(int nStartPos, int nEndPos) override
    {
        m_xEntry->select_region(nStartPos, nEndPos);
    }
    //if not text was selected, both rStartPos and rEndPos will be identical
    //and false will be returned
    virtual bool get_entry_selection_bounds(int& rStartPos, int& rEndPos) override
    {
        return m_xEntry->get_selection_bounds(rStartPos, rEndPos);
    }
    void connect_row_activated(const Link<TreeView&, void>& rLink)
    {
        m_xTreeView->connect_row_activated(rLink);
    }

    virtual bool get_popup_shown() const override { return false; }

    void set_height_request_by_rows(int nRows);
};

class VCL_DLLPUBLIC MetricSpinButton
{
protected:
    FieldUnit m_eSrcUnit;
    std::unique_ptr<weld::SpinButton> m_xSpinButton;
    Link<MetricSpinButton&, void> m_aValueChangedHdl;

    DECL_LINK(spin_button_value_changed, weld::SpinButton&, void);
    DECL_LINK(spin_button_output, weld::SpinButton&, void);
    DECL_LINK(spin_button_input, int* result, bool);

    void signal_value_changed() { m_aValueChangedHdl.Call(*this); }

    int ConvertValue(int nValue, FieldUnit eInUnit, FieldUnit eOutUnit) const;
    OUString format_number(int nValue) const;
    void update_width_chars();

public:
    MetricSpinButton(std::unique_ptr<SpinButton> pSpinButton, FieldUnit eSrcUnit)
        : m_eSrcUnit(eSrcUnit)
        , m_xSpinButton(std::move(pSpinButton))
    {
        update_width_chars();
        m_xSpinButton->connect_output(LINK(this, MetricSpinButton, spin_button_output));
        m_xSpinButton->connect_input(LINK(this, MetricSpinButton, spin_button_input));
        m_xSpinButton->connect_value_changed(
            LINK(this, MetricSpinButton, spin_button_value_changed));
        spin_button_output(*m_xSpinButton);
    }

    static OUString MetricToString(FieldUnit rUnit);

    FieldUnit get_unit() const { return m_eSrcUnit; }

    void set_unit(FieldUnit eUnit);

    int convert_value_to(int nValue, FieldUnit eValueUnit) const
    {
        return ConvertValue(nValue, m_eSrcUnit, eValueUnit);
    }

    int convert_value_from(int nValue, FieldUnit eValueUnit) const
    {
        return ConvertValue(nValue, eValueUnit, m_eSrcUnit);
    }

    void set_value(int nValue, FieldUnit eValueUnit)
    {
        m_xSpinButton->set_value(convert_value_from(nValue, eValueUnit));
    }

    int get_value(FieldUnit eDestUnit) const
    {
        return convert_value_to(m_xSpinButton->get_value(), eDestUnit);
    }

    // typically you only need to call this if set_text (e.g. with "") was
    // previously called to display some arbitrary text instead of the
    // formatted value and now you want to show it as formatted again
    void reformat() { spin_button_output(*m_xSpinButton); }

    void set_range(int min, int max, FieldUnit eValueUnit)
    {
        min = convert_value_from(min, eValueUnit);
        max = convert_value_from(max, eValueUnit);
        m_xSpinButton->set_range(min, max);
        update_width_chars();
    }

    void get_range(int& min, int& max, FieldUnit eDestUnit) const
    {
        m_xSpinButton->get_range(min, max);
        min = convert_value_to(min, eDestUnit);
        max = convert_value_to(max, eDestUnit);
    }

    void set_min(int min, FieldUnit eValueUnit)
    {
        int dummy, max;
        get_range(dummy, max, eValueUnit);
        set_range(min, max, eValueUnit);
    }

    void set_max(int max, FieldUnit eValueUnit)
    {
        int min, dummy;
        get_range(min, dummy, eValueUnit);
        set_range(min, max, eValueUnit);
    }

    int get_min(FieldUnit eValueUnit) const
    {
        int min, dummy;
        get_range(min, dummy, eValueUnit);
        return min;
    }

    int get_max(FieldUnit eValueUnit) const
    {
        int dummy, max;
        get_range(dummy, max, eValueUnit);
        return max;
    }

    void set_increments(int step, int page, FieldUnit eValueUnit)
    {
        step = convert_value_from(step, eValueUnit);
        page = convert_value_from(page, eValueUnit);
        m_xSpinButton->set_increments(step, page);
    }

    void get_increments(int& step, int& page, FieldUnit eDestUnit) const
    {
        m_xSpinButton->get_increments(step, page);
        step = convert_value_to(step, eDestUnit);
        page = convert_value_to(page, eDestUnit);
    }

    void connect_value_changed(const Link<MetricSpinButton&, void>& rLink)
    {
        m_aValueChangedHdl = rLink;
    }

    int normalize(int nValue) const { return m_xSpinButton->normalize(nValue); }
    int denormalize(int nValue) const { return m_xSpinButton->denormalize(nValue); }
    void set_sensitive(bool sensitive) { m_xSpinButton->set_sensitive(sensitive); }
    bool get_sensitive() const { return m_xSpinButton->get_sensitive(); }
    bool get_visible() const { return m_xSpinButton->get_visible(); }
    void grab_focus() { m_xSpinButton->grab_focus(); }
    bool has_focus() const { return m_xSpinButton->has_focus(); }
    void show(bool bShow = true) { m_xSpinButton->show(bShow); }
    void hide() { m_xSpinButton->hide(); }
    void set_digits(unsigned int digits);
    void set_accessible_name(const OUString& rName) { m_xSpinButton->set_accessible_name(rName); }
    unsigned int get_digits() const { return m_xSpinButton->get_digits(); }
    void save_value() { m_xSpinButton->save_value(); }
    bool get_value_changed_from_saved() const
    {
        return m_xSpinButton->get_value_changed_from_saved();
    }
    void set_text(const OUString& rText) { m_xSpinButton->set_text(rText); }
    OUString get_text() const { return m_xSpinButton->get_text(); }
    void set_size_request(int nWidth, int nHeight)
    {
        m_xSpinButton->set_size_request(nWidth, nHeight);
    }
    Size get_size_request() const { return m_xSpinButton->get_size_request(); }
    Size get_preferred_size() const { return m_xSpinButton->get_preferred_size(); }
    void connect_focus_in(const Link<Widget&, void>& rLink)
    {
        m_xSpinButton->connect_focus_in(rLink);
    }
    void connect_focus_out(const Link<Widget&, void>& rLink)
    {
        m_xSpinButton->connect_focus_out(rLink);
    }
    void set_help_id(const OString& rName) { m_xSpinButton->set_help_id(rName); }
    void set_position(int nCursorPos) { m_xSpinButton->set_position(nCursorPos); }
    weld::SpinButton& get_widget() { return *m_xSpinButton; }
};

class VCL_DLLPUBLIC TimeSpinButton
{
protected:
    TimeFieldFormat const m_eFormat;
    std::unique_ptr<weld::SpinButton> m_xSpinButton;
    Link<TimeSpinButton&, void> m_aValueChangedHdl;

    DECL_LINK(spin_button_value_changed, weld::SpinButton&, void);
    DECL_LINK(spin_button_output, weld::SpinButton&, void);
    DECL_LINK(spin_button_input, int* result, bool);
    DECL_LINK(spin_button_cursor_position, weld::Entry&, void);

    void signal_value_changed() { m_aValueChangedHdl.Call(*this); }

    static tools::Time ConvertValue(int nValue);
    static int ConvertValue(const tools::Time& rTime);
    OUString format_number(int nValue) const;
    void update_width_chars();

public:
    TimeSpinButton(std::unique_ptr<SpinButton> pSpinButton, TimeFieldFormat eFormat)
        : m_eFormat(eFormat)
        , m_xSpinButton(std::move(pSpinButton))
    {
        update_width_chars();
        m_xSpinButton->connect_output(LINK(this, TimeSpinButton, spin_button_output));
        m_xSpinButton->connect_input(LINK(this, TimeSpinButton, spin_button_input));
        m_xSpinButton->connect_value_changed(LINK(this, TimeSpinButton, spin_button_value_changed));
        m_xSpinButton->connect_cursor_position(
            LINK(this, TimeSpinButton, spin_button_cursor_position));
        spin_button_output(*m_xSpinButton);
    }

    void set_value(const tools::Time& rTime) { m_xSpinButton->set_value(ConvertValue(rTime)); }

    tools::Time get_value() const { return ConvertValue(m_xSpinButton->get_value()); }

    void connect_value_changed(const Link<TimeSpinButton&, void>& rLink)
    {
        m_aValueChangedHdl = rLink;
    }

    void set_sensitive(bool sensitive) { m_xSpinButton->set_sensitive(sensitive); }
    bool get_sensitive() const { return m_xSpinButton->get_sensitive(); }
    bool get_visible() const { return m_xSpinButton->get_visible(); }
    void grab_focus() { m_xSpinButton->grab_focus(); }
    bool has_focus() const { return m_xSpinButton->has_focus(); }
    void show(bool bShow = true) { m_xSpinButton->show(bShow); }
    void hide() { m_xSpinButton->hide(); }
    void save_value() { m_xSpinButton->save_value(); }
    bool get_value_changed_from_saved() const
    {
        return m_xSpinButton->get_value_changed_from_saved();
    }
    void set_position(int nCursorPos) { m_xSpinButton->set_position(nCursorPos); }
    weld::SpinButton& get_widget() { return *m_xSpinButton; }
};

class VCL_DLLPUBLIC Label : virtual public Widget
{
public:
    virtual void set_label(const OUString& rText) = 0;
    virtual OUString get_label() const = 0;
    virtual void set_mnemonic_widget(Widget* pTarget) = 0;
};

class VCL_DLLPUBLIC TextView : virtual public Container
{
private:
    OUString m_sSavedValue;

protected:
    Link<TextView&, void> m_aChangeHdl;
    Link<TextView&, void> m_aVChangeHdl;

    void signal_changed() { m_aChangeHdl.Call(*this); }
    void signal_vadjustment_changed() { m_aVChangeHdl.Call(*this); }

public:
    virtual void set_text(const OUString& rText) = 0;
    virtual OUString get_text() const = 0;
    virtual void select_region(int nStartPos, int nEndPos) = 0;
    virtual bool get_selection_bounds(int& rStartPos, int& rEndPos) = 0;
    virtual void replace_selection(const OUString& rText) = 0;
    virtual void set_editable(bool bEditable) = 0;
    virtual void set_monospace(bool bMonospace) = 0;
    int get_height_rows(int nRows) const
    {
        //can improve this if needed
        return get_text_height() * nRows;
    }

    void save_value() { m_sSavedValue = get_text(); }
    bool get_value_changed_from_saved() const { return m_sSavedValue != get_text(); }

    void connect_changed(const Link<TextView&, void>& rLink) { m_aChangeHdl = rLink; }

    virtual int vadjustment_get_value() const = 0;
    virtual int vadjustment_get_upper() const = 0;
    virtual int vadjustment_get_lower() const = 0;
    virtual int vadjustment_get_page_size() const = 0;
    virtual void vadjustment_set_value(int value) = 0;
    void connect_vadjustment_changed(const Link<TextView&, void>& rLink) { m_aVChangeHdl = rLink; }
};

class VCL_DLLPUBLIC Expander : virtual public Container
{
protected:
    Link<Expander&, void> m_aExpandedHdl;

    void signal_expanded() { m_aExpandedHdl.Call(*this); }

public:
    virtual bool get_expanded() const = 0;
    virtual void set_expanded(bool bExpand) = 0;

    void connect_expanded(const Link<Expander&, void>& rLink) { m_aExpandedHdl = rLink; }
};

class VCL_DLLPUBLIC DrawingArea : virtual public Widget
{
public:
    typedef std::pair<vcl::RenderContext&, const tools::Rectangle&> draw_args;

protected:
    Link<draw_args, void> m_aDrawHdl;
    Link<Widget&, void> m_aStyleUpdatedHdl;
    Link<const Point&, bool> m_aPopupMenuHdl;
    Link<Widget&, tools::Rectangle> m_aGetFocusRectHdl;
    Link<tools::Rectangle&, OUString> m_aQueryTooltipHdl;

    OUString signal_query_tooltip(tools::Rectangle& rHelpArea)
    {
        return m_aQueryTooltipHdl.Call(rHelpArea);
    }

public:
    void connect_draw(const Link<draw_args, void>& rLink) { m_aDrawHdl = rLink; }
    void connect_style_updated(const Link<Widget&, void>& rLink) { m_aStyleUpdatedHdl = rLink; }
    void connect_popup_menu(const Link<const Point&, bool>& rLink) { m_aPopupMenuHdl = rLink; }
    void connect_focus_rect(const Link<Widget&, tools::Rectangle>& rLink)
    {
        m_aGetFocusRectHdl = rLink;
    }
    void connect_query_tooltip(const Link<tools::Rectangle&, OUString>& rLink)
    {
        m_aQueryTooltipHdl = rLink;
    }
    virtual void queue_draw() = 0;
    virtual void queue_draw_area(int x, int y, int width, int height) = 0;
    virtual void queue_resize() = 0;
    // use return here just to generate matching VirtualDevices
    virtual OutputDevice& get_ref_device() = 0;

    virtual a11yref get_accessible_parent() = 0;
    virtual a11yrelationset get_accessible_relation_set() = 0;
    virtual Point get_accessible_location() = 0;
};

class VCL_DLLPUBLIC Menu
{
public:
    virtual OString popup_at_rect(weld::Widget* pParent, const tools::Rectangle& rRect) = 0;
    virtual void set_sensitive(const OString& rIdent, bool bSensitive) = 0;
    virtual void set_active(const OString& rIdent, bool bActive) = 0;
    virtual void show(const OString& rIdent, bool bShow) = 0;

    virtual void insert(int pos, const OUString& rId, const OUString& rStr,
                        const OUString* pIconName, VirtualDevice* pImageSufface, bool bCheck)
        = 0;
    void append(const OUString& rId, const OUString& rStr)
    {
        insert(-1, rId, rStr, nullptr, nullptr, false);
    }
    void append_check(const OUString& rId, const OUString& rStr)
    {
        insert(-1, rId, rStr, nullptr, nullptr, true);
    }
    void append(const OUString& rId, const OUString& rStr, const OUString& rImage)
    {
        insert(-1, rId, rStr, &rImage, nullptr, false);
    }
    void append(const OUString& rId, const OUString& rStr, VirtualDevice& rImage)
    {
        insert(-1, rId, rStr, nullptr, &rImage, false);
    }

    virtual ~Menu() {}
};

class VCL_DLLPUBLIC SizeGroup
{
public:
    virtual void add_widget(weld::Widget* pWidget) = 0;
    virtual void set_mode(VclSizeGroupMode eMode) = 0;
    virtual ~SizeGroup() {}
};

class VCL_DLLPUBLIC Builder
{
private:
    OString m_sHelpRoot;

public:
    Builder(const OUString& rUIFile)
        : m_sHelpRoot(OUStringToOString(rUIFile, RTL_TEXTENCODING_UTF8))
    {
        sal_Int32 nIdx = m_sHelpRoot.lastIndexOf('.');
        if (nIdx != -1)
            m_sHelpRoot = m_sHelpRoot.copy(0, nIdx);
        m_sHelpRoot = m_sHelpRoot + OString('/');
    }
    virtual std::unique_ptr<MessageDialog> weld_message_dialog(const OString& id,
                                                               bool bTakeOwnership = true)
        = 0;
    virtual std::unique_ptr<Dialog> weld_dialog(const OString& id, bool bTakeOwnership = true) = 0;
    virtual std::unique_ptr<Window> weld_window(const OString& id, bool bTakeOwnership = true) = 0;
    virtual std::unique_ptr<Widget> weld_widget(const OString& id, bool bTakeOwnership = false) = 0;
    virtual std::unique_ptr<Container> weld_container(const OString& id,
                                                      bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<Button> weld_button(const OString& id, bool bTakeOwnership = false) = 0;
    virtual std::unique_ptr<MenuButton> weld_menu_button(const OString& id,
                                                         bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<Frame> weld_frame(const OString& id, bool bTakeOwnership = false) = 0;
    virtual std::unique_ptr<ScrolledWindow> weld_scrolled_window(const OString& id,
                                                                 bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<Notebook> weld_notebook(const OString& id, bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<ToggleButton> weld_toggle_button(const OString& id,
                                                             bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<RadioButton> weld_radio_button(const OString& id,
                                                           bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<CheckButton> weld_check_button(const OString& id,
                                                           bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<LinkButton> weld_link_button(const OString& id,
                                                         bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<SpinButton> weld_spin_button(const OString& id,
                                                         bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<MetricSpinButton>
    weld_metric_spin_button(const OString& id, FieldUnit eUnit, bool bTakeOwnership = false) = 0;
    virtual std::unique_ptr<FormattedSpinButton>
    weld_formatted_spin_button(const OString& id, bool bTakeOwnership = false) = 0;
    virtual std::unique_ptr<TimeSpinButton>
    weld_time_spin_button(const OString& id, TimeFieldFormat eFormat, bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<ComboBox> weld_combo_box(const OString& id, bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<TreeView> weld_tree_view(const OString& id, bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<Label> weld_label(const OString& id, bool bTakeOwnership = false) = 0;
    virtual std::unique_ptr<TextView> weld_text_view(const OString& id, bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<Expander> weld_expander(const OString& id, bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<Entry> weld_entry(const OString& id, bool bTakeOwnership = false) = 0;
    virtual std::unique_ptr<Scale> weld_scale(const OString& id, bool bTakeOwnership = false) = 0;
    virtual std::unique_ptr<ProgressBar> weld_progress_bar(const OString& id,
                                                           bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<Spinner> weld_spinner(const OString& id, bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<Image> weld_image(const OString& id, bool bTakeOwnership = false) = 0;
    virtual std::unique_ptr<Calendar> weld_calendar(const OString& id, bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<DrawingArea>
    weld_drawing_area(const OString& id, const a11yref& rA11yImpl = nullptr,
                      FactoryFunction pUITestFactoryFunction = nullptr, void* pUserData = nullptr,
                      bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<EntryTreeView>
    weld_entry_tree_view(const OString& containerid, const OString& entryid,
                         const OString& treeviewid, bool bTakeOwnership = false)
        = 0;
    virtual std::unique_ptr<Menu> weld_menu(const OString& id, bool bTakeOwnership = true) = 0;
    virtual std::unique_ptr<SizeGroup> create_size_group() = 0;
    virtual ~Builder() {}
};

class VCL_DLLPUBLIC DialogController
{
public:
    virtual Dialog* getDialog() = 0;
    const Dialog* getConstDialog() const
    {
        return const_cast<DialogController*>(this)->getDialog();
    }
    virtual short run() { return getDialog()->run(); }
    static bool runAsync(const std::shared_ptr<DialogController>& rController,
                         const std::function<void(sal_Int32)>&);
    void set_title(const OUString& rTitle) { getDialog()->set_title(rTitle); }
    OUString get_title() const { return getConstDialog()->get_title(); }
    void set_help_id(const OString& rHelpId) { getDialog()->set_help_id(rHelpId); }
    OString get_help_id() const { return getConstDialog()->get_help_id(); }
    void response(int nResponse) { getDialog()->response(nResponse); }
    virtual ~DialogController() COVERITY_NOEXCEPT_FALSE;
};

class VCL_DLLPUBLIC GenericDialogController : public DialogController
{
protected:
    std::unique_ptr<weld::Builder> m_xBuilder;
    std::shared_ptr<weld::Dialog> m_xDialog;

public:
    GenericDialogController(weld::Widget* pParent, const OUString& rUIFile,
                            const OString& rDialogId);
    virtual Dialog* getDialog() override;
    virtual ~GenericDialogController() COVERITY_NOEXCEPT_FALSE override;
};

class VCL_DLLPUBLIC MessageDialogController : public DialogController
{
protected:
    std::unique_ptr<weld::Builder> m_xBuilder;
    std::unique_ptr<weld::MessageDialog> m_xDialog;
    std::unique_ptr<weld::Container> m_xContentArea;
    std::unique_ptr<weld::Widget> m_xRelocate;
    std::unique_ptr<weld::Container> m_xOrigParent;

public:
    MessageDialogController(weld::Widget* pParent, const OUString& rUIFile,
                            const OString& rDialogId, const OString& rRelocateId = OString());
    virtual Dialog* getDialog() override;
    virtual ~MessageDialogController() override;
    void set_primary_text(const OUString& rText) { m_xDialog->set_primary_text(rText); }
    OUString get_primary_text() const { return m_xDialog->get_primary_text(); }
    void set_default_response(int nResponse) { m_xDialog->set_default_response(nResponse); }
};
}
#endif

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