xcombobox.c File Reference

Go to the source code of this file.

Functions
void	combobox_set_active_entry (Widget_t *w, int active)
	combobox_set_active_entry - set the active combobox entry
void	combobox_rename_entry (Widget_t *w, int active, const char *label)
	combobox_rename_entry - rename a entry in the combobox
void	combobox_mem_free (void *w_, void *user_data)
	combobox_mem_free - release additional used memory when destroy the Widget_t
void	combobox_set_menu_size (Widget_t *combobox, int v)
	combobox_set_menu_size - set the number of entrys shown in the pop menu
void	combobox_delete_entrys (Widget_t *combobox)
	combobox_delete_entrys - free the list hold the combobox entrys
void	pop_combobox_menu_show (Widget_t *parent, Widget_t *menu, bool above)
Widget_t *	create_combobox_viewport (Widget_t *parent, int elem, int width, int height)
Widget_t *	create_combobox_menu (Widget_t *parent, int height)
Widget_t *	add_combobox (Widget_t *parent, const char *label, int x, int y, int width, int height)
	add_combobox - add a combobox
void	combobox_add_entry (Widget_t *wid, const char *label)
	combobox_add_entry - add a entry to the combobox
void	combobox_add_numeric_entrys (Widget_t *wid, int imin, int imax)
	combobox_add_numeric_items - add numeric items from imin to imax to wid

Function Documentation

add_combobox()

Widget_t * add_combobox	(	Widget_t *	parent,
		const char *	label,
		int	x,
		int	y,
		int	width,
		int	height
	)

add_combobox - add a combobox

Parameters

*parent	- pointer to the Widget_t request the button
*label	- Label to show over the combobox
x,y,width,height	- the position/geometry to create the button

Returns

Widget_t* - pointer to the Widget_t button struct

Definition at line 152 of file xcombobox.c.

                                                                                                   {
 
    Widget_t *wid = create_widget(parent->app, parent, x, y, width, height);
    wid->label = label;
    wid->scale.gravity = CENTER;
    wid->adj_y = add_adjustment(wid,0.0, 0.0, 0.0, -1.0,1.0, CL_ENUM);
    wid->adj = wid->adj_y;
    wid->func.adj_callback = _set_entry;
    wid->func.expose_callback = _draw_combobox;
    wid->func.enter_callback = os_transparent_draw;
    wid->func.leave_callback = os_transparent_draw;
    wid->func.button_release_callback = _combobox_button_released;
 
    Widget_t* button = add_button(wid, "", width-20, 0, 20, height);
    button->func.expose_callback = _draw_combobox_button;  
    button->func.button_release_callback = _button_combobox_released;
 
    Widget_t* menu = create_combobox_menu(wid, 25);
    menu->func.button_release_callback = _entry_released;
 
    return wid;
}

References _button_combobox_released(), _combobox_button_released(), _draw_combobox(), _draw_combobox_button(), _entry_released(), _set_entry(), add_adjustment(), add_button(), Widget_t::adj, Func_t::adj_callback, Widget_t::adj_y, Widget_t::app, Func_t::button_release_callback, CENTER, CL_ENUM, create_combobox_menu(), create_widget(), Func_t::enter_callback, Func_t::expose_callback, Widget_t::func, Resize_t::gravity, Widget_t::label, Func_t::leave_callback, os_transparent_draw(), and Widget_t::scale.

Referenced by add_my_combobox(), mk_open_midi_keyboard(), open_directory_dialog(), open_file_dialog(), and save_file_dialog().

combobox_add_entry()

void combobox_add_entry	(	Widget_t *	wid,
		const char *	label
	)

combobox_add_entry - add a entry to the combobox

Parameters

*wid	- pointer to the Widget_t combobox
*label	- Label to show on the menu

Definition at line 175 of file xcombobox.c.

                                                            {
    Widget_t *menu = wid->childlist->childs[1];
    Widget_t* view_port =  menu->childlist->childs[0];
    ComboBox_t *comboboxlist = (ComboBox_t*)view_port->parent_struct;
    comboboxlist->list_size++;
    comboboxlist->list_names = (char **)realloc(comboboxlist->list_names,
      comboboxlist->list_size * sizeof(char *));
    asprintf(&comboboxlist->list_names[comboboxlist->list_size-1],"%s",label);
    assert(comboboxlist->list_names != NULL);
    float max_value = wid->adj->max_value+1.0;
    set_adjustment(wid->adj,0.0, max_value, 0.0, max_value,1.0, CL_ENUM);
 
}

References Widget_t::adj, asprintf(), Widget_t::childlist, Childlist_t::childs, CL_ENUM, ComboBox_t::list_names, ComboBox_t::list_size, Adjustment_t::max_value, Widget_t::parent_struct, and set_adjustment().

Referenced by add_my_combobox(), combobox_add_numeric_entrys(), mk_open_midi_keyboard(), open_file_dialog(), and save_file_dialog().

combobox_add_numeric_entrys()

void combobox_add_numeric_entrys	(	Widget_t *	wid,
		int	imin,
		int	imax
	)

combobox_add_numeric_items - add numeric items from imin to imax to wid

Parameters

*wid	- pointer to the Widget_t combobox
*imin	- the low number of the numeric items
*imax	- the high number of the numeric items

Definition at line 189 of file xcombobox.c.

                                                                    {
    int i = imin;
    int o = imax+1;
    for (;i<o;i++) {
        char s[32];
        snprintf(s, 31, "%i",i);
        combobox_add_entry(wid, s);
    }
}

References combobox_add_entry().

combobox_delete_entrys()

void combobox_delete_entrys

(

Widget_t *

combobox

)

combobox_delete_entrys - free the list hold the combobox entrys

Parameters

*combobox

- void pointer to the Widget_t combobox

Definition at line 67 of file xcombobox.c.

                                                {
    Widget_t * menu = combobox->childlist->childs[1];
    Widget_t* view_port =  menu->childlist->childs[0];
    ComboBox_t *comboboxlist = (ComboBox_t*)view_port->parent_struct;
    unsigned int j = 0;
    for(; j<comboboxlist->list_size;j++) {
        free(comboboxlist->list_names[j]);
        comboboxlist->list_names[j] = NULL;
    }
    comboboxlist->list_size = 0;
    set_adjustment(combobox->adj,0.0, 0.0, 0.0, -1.0,1.0, CL_ENUM);
    set_adjustment(view_port->adj,0.0, 0.0, 0.0, -6.0,1.0, CL_ENUM);
    set_adjustment(comboboxlist->slider->adj,0.0, 0.0, 0.0, 1.0,0.0085, CL_VIEWPORTSLIDER);
}

References Widget_t::adj, Widget_t::childlist, Childlist_t::childs, CL_ENUM, CL_VIEWPORTSLIDER, ComboBox_t::list_names, ComboBox_t::list_size, Widget_t::parent_struct, set_adjustment(), and ComboBox_t::slider.

combobox_mem_free()

void combobox_mem_free	(	void *	w_,
		void *	user_data
	)

combobox_mem_free - release additional used memory when destroy the Widget_t

Parameters

*w_	- void pointer to the Widget_t
*user_data	- void pointer to attached user_data

Definition at line 47 of file xcombobox.c.

                                                  {
    Widget_t *w = (Widget_t*)w_;
    ComboBox_t *comboboxlist = (ComboBox_t*)w->parent_struct;
    unsigned int j = 0;
    for(; j<comboboxlist->list_size;j++) {
        free(comboboxlist->list_names[j]);
        comboboxlist->list_names[j] = NULL;
    }
    free(comboboxlist->list_names);
    free(comboboxlist);
}

References ComboBox_t::list_names, ComboBox_t::list_size, and Widget_t::parent_struct.

Referenced by create_combobox_viewport().

combobox_rename_entry()

void combobox_rename_entry	(	Widget_t *	wid,
		int	active,
		const char *	label
	)

combobox_rename_entry - rename a entry in the combobox

Parameters

*wid	- pointer to the Widget_t combobox
active	- the entry to rename (int)
*label	- new Label to show on the menu

Definition at line 34 of file xcombobox.c.

                                                                       {
    float value = (float)active;
    if ((value>w->adj->max_value) || (value<w->adj->min_value)) return;
    Widget_t * menu = w->childlist->childs[1];
    Widget_t* view_port =  menu->childlist->childs[0];
    ComboBox_t *comboboxlist = (ComboBox_t*)view_port->parent_struct;
    //fprintf(stderr,"%s %s\n", comboboxlist->list_names[active], label);
    free(comboboxlist->list_names[active]);
    comboboxlist->list_names[active] = NULL;
    asprintf(&comboboxlist->list_names[active],"%s",label);
    assert(comboboxlist->list_names != NULL);
}

References Widget_t::adj, asprintf(), Widget_t::childlist, Childlist_t::childs, ComboBox_t::list_names, Adjustment_t::max_value, Adjustment_t::min_value, and Widget_t::parent_struct.

combobox_set_active_entry()

void combobox_set_active_entry	(	Widget_t *	w,
		int	active
	)

combobox_set_active_entry - set the active combobox entry

Parameters

*w	- void pointer to the Widget_t combobox
active	- the active entry (int)

Definition at line 27 of file xcombobox.c.

                                                        {
    float value = (float)active;
    if (value>w->adj->max_value) value = w->adj->max_value;
    else if (value<w->adj->min_value) value = w->adj->min_value;
    adj_set_value(w->adj, value);
}

References Widget_t::adj, adj_set_value(), Adjustment_t::max_value, and Adjustment_t::min_value.

Referenced by add_my_combobox(), mk_open_midi_keyboard(), open_directory_dialog(), open_file_dialog(), and save_file_dialog().

combobox_set_menu_size()

void combobox_set_menu_size	(	Widget_t *	combobox,
		int	v
	)

combobox_set_menu_size - set the number of entrys shown in the pop menu

Parameters

*combobox	- pointer to the Widget_t combobox
v	- the max entry count (int)

Definition at line 59 of file xcombobox.c.

                                                       {
    Widget_t * menu = combobox->childlist->childs[1];
    Widget_t* view_port =  menu->childlist->childs[0];
    ComboBox_t *comboboxlist = (ComboBox_t*)view_port->parent_struct;
    comboboxlist->show_items = v;
    _configure_combobox_menu(combobox, menu, comboboxlist->show_items, true);
}

References _configure_combobox_menu(), Widget_t::childlist, Childlist_t::childs, Widget_t::parent_struct, and ComboBox_t::show_items.

create_combobox_menu()

Widget_t * create_combobox_menu	(	Widget_t *	parent,
		int	height
	)

Definition at line 123 of file xcombobox.c.

                                                             {
 
    int x1, y1;
    os_translate_coords( parent, parent->widget, os_get_root_window(parent->app, IS_WIDGET), 0, 0, &x1, &y1);
    Widget_t *wid = create_window(parent->app, os_get_root_window(parent->app, IS_WIDGET), x1, y1, 10, height);
    Widget_t *viewport = create_combobox_viewport(wid, 6, 10, 5*height);
    ComboBox_t *comboboxlist = (ComboBox_t*)viewport->parent_struct;
    comboboxlist->combobox = parent;
 
    os_set_window_attrb(wid);
    os_set_transient_for_hint(parent, wid);
    wid->func.expose_callback = _draw_combobox_menu;
    wid->flags |= IS_POPUP;
    wid->scale.gravity = NONE;
    childlist_add_child(parent->childlist, wid);
 
    comboboxlist->slider = add_vslider(wid, "", 0, 0, 10, height);
    comboboxlist->slider->func.expose_callback = _draw_combobox_menu_slider;
    set_adjustment(comboboxlist->slider->adj_y,0.0, 0.0, 0.0, 1.0,0.0085, CL_VIEWPORTSLIDER);
    comboboxlist->slider->adj = comboboxlist->slider->adj_y;
    comboboxlist->slider->func.value_changed_callback = _set_combobox_menu_viewport;
    comboboxlist->slider->scale.gravity = NORTHWEST;
    comboboxlist->slider->flags &= ~USE_TRANSPARENCY;
    comboboxlist->slider->flags |= NO_AUTOREPEAT | NO_PROPAGATE;
    comboboxlist->slider->parent_struct = viewport;
 
    return wid;
}

References _draw_combobox_menu(), _draw_combobox_menu_slider(), _set_combobox_menu_viewport(), add_vslider(), Widget_t::adj, Widget_t::adj_y, Widget_t::app, Widget_t::childlist, childlist_add_child(), CL_VIEWPORTSLIDER, ComboBox_t::combobox, create_combobox_viewport(), create_window(), Func_t::expose_callback, Widget_t::flags, Widget_t::func, Resize_t::gravity, IS_POPUP, IS_WIDGET, NO_AUTOREPEAT, NO_PROPAGATE, NONE, NORTHWEST, os_get_root_window(), os_set_transient_for_hint(), os_set_window_attrb(), os_translate_coords(), Widget_t::parent_struct, Widget_t::scale, set_adjustment(), ComboBox_t::slider, Func_t::value_changed_callback, and Widget_t::widget.

Referenced by add_combobox().

create_combobox_viewport()

Widget_t * create_combobox_viewport	(	Widget_t *	parent,
		int	elem,
		int	width,
		int	height
	)

Definition at line 96 of file xcombobox.c.

                                                                                      {
    Widget_t *wid = create_widget(parent->app, parent, 0, 0, width, height);
    os_set_input_mask(wid);
    wid->scale.gravity = CENTER;
    ComboBox_t *comboboxlist;
    comboboxlist = (ComboBox_t*)malloc(sizeof(ComboBox_t));
    comboboxlist->show_items = elem;
    comboboxlist->prelight_item = 0;
    comboboxlist->active_item = 0;
    comboboxlist->list_names = NULL;
    comboboxlist->list_size = 0;
    wid->flags |= HAS_MEM;
    wid->parent_struct = comboboxlist;
    float max_value = -elem;
    wid->adj_y = add_adjustment(wid,0.0, 0.0, 0.0, max_value,1.0, CL_VIEWPORT);
    wid->adj = wid->adj_y;
    wid->func.adj_callback = _set_combobox_viewpoint;
    wid->func.motion_callback = _combobox_motion;
    wid->func.leave_callback = _leave_combobox;
    wid->func.button_release_callback = _combobox_entry_released;
    wid->func.key_press_callback = _combobox_key_pressed;
    wid->func.expose_callback = _draw_combobox_entrys;
    wid->func.configure_notify_callback = _reconfigure_combobox_viewport;
    wid->func.mem_free_callback = combobox_mem_free;
    return wid;
}

References _combobox_entry_released(), _combobox_key_pressed(), _combobox_motion(), _draw_combobox_entrys(), _leave_combobox(), _reconfigure_combobox_viewport(), _set_combobox_viewpoint(), ComboBox_t::active_item, add_adjustment(), Widget_t::adj, Func_t::adj_callback, Widget_t::adj_y, Widget_t::app, Func_t::button_release_callback, CENTER, CL_VIEWPORT, combobox_mem_free(), Func_t::configure_notify_callback, create_widget(), Func_t::expose_callback, Widget_t::flags, Widget_t::func, Resize_t::gravity, HAS_MEM, Func_t::key_press_callback, Func_t::leave_callback, ComboBox_t::list_names, ComboBox_t::list_size, Func_t::mem_free_callback, Func_t::motion_callback, os_set_input_mask(), Widget_t::parent_struct, ComboBox_t::prelight_item, Widget_t::scale, and ComboBox_t::show_items.

Referenced by create_combobox_menu().

pop_combobox_menu_show()

void pop_combobox_menu_show	(	Widget_t *	parent,
		Widget_t *	menu,
		bool	above
	)

Definition at line 82 of file xcombobox.c.

                                                                          {
    if (!childlist_has_child(menu->childlist)) return;
    Widget_t* view_port =  menu->childlist->childs[0];
    ComboBox_t *comboboxlist = (ComboBox_t*)view_port->parent_struct;
    if (!comboboxlist->list_size) return;
    _configure_combobox_menu(parent, menu, comboboxlist->show_items, above);
    pop_widget_show_all(menu);
    int err = os_grab_pointer(menu);
    menu->app->hold_grab = menu;
 
    if (err) debug_print("Error grap pointer\n");
}

References _configure_combobox_menu(), Widget_t::app, Widget_t::childlist, childlist_has_child(), Childlist_t::childs, Xputty::hold_grab, ComboBox_t::list_size, os_grab_pointer(), Widget_t::parent_struct, pop_widget_show_all(), and ComboBox_t::show_items.

Referenced by _button_combobox_released(), and _combobox_button_released().