xlistview_private.c File Reference

#include "xlistview_private.h"
#include "xtooltip.h"

Include dependency graph for xlistview_private.c:

Go to the source code of this file.

Functions
void	_draw_listview (void *w_, void *user_data)
	_draw_listview - draw listview on expose call More...
void	_draw_list (void *w_, void *user_data)
	_draw_list - draw list on expose call More...
void	_list_motion (void *w_, void *xmotion_, void *user_data)
	_list_motion - follow mouse pointer to set prelight item More...
void	_list_key_pressed (void *w_, void *xkey_, void *user_data)
	_list_key_pressed - move listview or set active entry More...
void	_list_entry_released (void *w_, void *button_, void *user_data)
	_list_entry_released - move listview or set active entry More...
void	_leave_list (void *w_, void *user_data)
	_leave_list - draw list on pointer leave More...
void	_reconfigure_listview_viewport (void *w_, void *user_data)
	_reconfigure_listview_viewport - reconfigure the viewport adjustment on size changes More...
void	_configure_listview (void *w_, void *user_data)
	_configure_listview - configure the viewport on mapping More...
void	_draw_listview_viewslider (void *w_, void *user_data)
	_draw_listview_viewslider - draw a slider on the viewport to indicate the view point More...
void	_set_listview_viewpoint (void *w_, void *user_data)
	_set_listview_viewpoint - move the view_port to position More...

Function Documentation

_configure_listview()

void _configure_listview	(	void *	w_,
		void *	user_data
	)

_configure_listview - configure the viewport on mapping

Parameters

*w_	- void pointer to view_port
*user_data	- attached user_data

Returns

void

Definition at line 182 of file xlistview_private.c.

                                                    {
    Widget_t *w = (Widget_t*)w_;
    Widget_t* listview = (Widget_t*) w->parent;
    ViewList_t *filelist = (ViewList_t*)w->parent_struct;
    XWindowAttributes attrs;
    XGetWindowAttributes(listview->app->dpy, (Window)listview->widget, &attrs);
    int width = attrs.width;
    XResizeWindow (w->app->dpy, w->widget, width, 25*(max(1,filelist->list_size)));
}

References Widget_t::app, Xputty::dpy, max, Widget_t::parent, Widget_t::parent_struct, and Widget_t::widget.

_draw_list()

void _draw_list	(	void *	w_,
		void *	user_data
	)

_draw_list - draw list on expose call

Parameters

*w_	- the Widget_t to draw
*user_data	- attached user_data

Returns

void

show label

Definition at line 33 of file xlistview_private.c.

                                           {
    Widget_t *w = (Widget_t*)w_;
    _draw_listview_viewslider(w, user_data);
    XWindowAttributes attrs;
    XGetWindowAttributes(w->app->dpy, (Window)w->widget, &attrs);
    if (attrs.map_state != IsViewable) return;
    int width = attrs.width;
    int height = attrs.height;
    ViewList_t *filelist = (ViewList_t*)w->parent_struct;
 
    int v = (int)w->adj->max_value;
    int sub = (v<=0) ? 0 : 5;
    use_base_color_scheme(w, NORMAL_);
    cairo_rectangle(w->crb, 0, 0, width-sub , height);
    cairo_fill (w->crb);
 
    int i = (int)max(0,adj_get_value(w->adj));
    int j = filelist->list_size<filelist->show_items+i+1 ? 
      filelist->list_size : filelist->show_items+i+1;
    for(;i<j;i++) {
        if(i == filelist->prelight_item && i == filelist->active_item)
            use_base_color_scheme(w, ACTIVE_);
        else if(i == filelist->prelight_item)
            use_base_color_scheme(w, PRELIGHT_);
        else if (i == filelist->active_item)
            use_base_color_scheme(w, SELECTED_);
        else
            use_base_color_scheme(w,NORMAL_ );
        cairo_rectangle(w->crb, 0, i*25, width-sub , 25);
        cairo_fill_preserve(w->crb);
        cairo_set_line_width(w->crb, 1.0);
        use_frame_color_scheme(w, PRELIGHT_);
        cairo_stroke(w->crb); 
        cairo_text_extents_t extents;
        /** show label **/
        if(i == filelist->prelight_item && i == filelist->active_item)
            use_text_color_scheme(w, ACTIVE_);
        else if(i == filelist->prelight_item)
            use_text_color_scheme(w, PRELIGHT_);
        else if (i == filelist->active_item)
            use_text_color_scheme(w, SELECTED_);
        else
            use_text_color_scheme(w,NORMAL_ );
        cairo_set_font_size (w->crb, 12);
        cairo_text_extents(w->crb,filelist->list_names[i] , &extents);
 
        cairo_move_to (w->crb, (width-extents.width)/2., (25*(i+1)) - extents.height );
        cairo_show_text(w->crb, filelist->list_names[i]);
        cairo_new_path (w->crb);
        if (i == filelist->prelight_item && extents.width > (float)width-20) {
            tooltip_set_text(w,filelist->list_names[i]);
            w->flags |= HAS_TOOLTIP;
            show_tooltip(w);
        } else {
            w->flags &= ~HAS_TOOLTIP;
            hide_tooltip(w);
        }
    }
}

References _draw_listview_viewslider(), ACTIVE_, ViewList_t::active_item, Widget_t::adj, adj_get_value(), Widget_t::app, Widget_t::crb, Xputty::dpy, Widget_t::flags, HAS_TOOLTIP, hide_tooltip(), ViewList_t::list_names, ViewList_t::list_size, max, Adjustment_t::max_value, NORMAL_, Widget_t::parent_struct, PRELIGHT_, ViewList_t::prelight_item, SELECTED_, ViewList_t::show_items, show_tooltip(), tooltip_set_text(), use_base_color_scheme(), use_frame_color_scheme(), use_text_color_scheme(), and Widget_t::widget.

_draw_listview()

void _draw_listview	(	void *	w_,
		void *	user_data
	)

_draw_listview - draw listview on expose call

Parameters

*w_	- the listview to draw
*user_data	- attached user_data

Returns

void

Definition at line 26 of file xlistview_private.c.

                                               {
    Widget_t *w = (Widget_t*)w_;
    if (!w) return;
    set_pattern(w,&w->app->color_scheme->normal,&w->app->color_scheme->active,BACKGROUND_);
    cairo_paint (w->cr);
}

References XColor_t::active, Widget_t::app, BACKGROUND_, Xputty::color_scheme, Widget_t::cr, XColor_t::normal, and set_pattern().

_draw_listview_viewslider()

void _draw_listview_viewslider	(	void *	w_,
		void *	user_data
	)

_draw_listview_viewslider - draw a slider on the viewport to indicate the view point

Parameters

*w_	- void pointer to view_port
*user_data	- attached user_data

Returns

void

Definition at line 192 of file xlistview_private.c.

                                                          {
    Widget_t *w = (Widget_t*)w_;
    int v = (int)w->adj->max_value;
    if (v<=0) return;
    XWindowAttributes attrs;
    XGetWindowAttributes(w->app->dpy, (Window)w->widget, &attrs);
    if (attrs.map_state != IsViewable) return;
    int width = attrs.width;
    int height = attrs.height;
    float sliderstate = adj_get_state(w->adj);
    use_bg_color_scheme(w, NORMAL_);
    cairo_rectangle(w->crb, width-5,0,5,height);
    cairo_fill_preserve(w->crb);
    use_shadow_color_scheme(w, NORMAL_);
    cairo_fill(w->crb);
    use_bg_color_scheme(w, NORMAL_);
    cairo_rectangle(w->crb, width-5,(height-10)*sliderstate,5,10);
    cairo_fill_preserve(w->crb);
    use_fg_color_scheme(w, NORMAL_);
    cairo_set_line_width(w->crb,1);
    cairo_stroke(w->crb);
}

References Widget_t::adj, adj_get_state(), Widget_t::app, Widget_t::crb, Xputty::dpy, Adjustment_t::max_value, NORMAL_, use_bg_color_scheme(), use_fg_color_scheme(), use_shadow_color_scheme(), and Widget_t::widget.

_leave_list()

void _leave_list	(	void *	w_,
		void *	user_data
	)

_leave_list - draw list on pointer leave

Parameters

*w_	- the Widget_t to draw
*user_data	- attached user_data

Returns

void

Definition at line 162 of file xlistview_private.c.

                                            {
    Widget_t *w = (Widget_t*)w_;
    ViewList_t *filelist = (ViewList_t*)w->parent_struct;
    filelist->prelight_item = -1;
    expose_widget(w);
}

References expose_widget(), Widget_t::parent_struct, and ViewList_t::prelight_item.

_list_entry_released()

void _list_entry_released	(	void *	w_,
		void *	button_,
		void *	user_data
	)

_list_entry_released - move listview or set active entry

Parameters

*w_	- void pointer to the Widget_t listview
*button_	- void pointer to the XButtonEvent
*user_data	- void pointer to attached user_data

Returns

void

Definition at line 134 of file xlistview_private.c.

                                                                    {
    Widget_t *w = (Widget_t*)w_;
    if (w->flags & HAS_POINTER) {
        ViewList_t *filelist = (ViewList_t*)w->parent_struct;
        XButtonEvent *xbutton = (XButtonEvent*)button_;
        XWindowAttributes attrs;
        XGetWindowAttributes(w->app->dpy, (Window)w->widget, &attrs);
        int height = attrs.height;
        int _items = height/(height/25);
        int prelight_item = xbutton->y/_items;
        if(xbutton->button == Button4) {
            prelight_item = (xbutton->y-24)/_items;
            if(prelight_item != filelist->prelight_item) {
                filelist->prelight_item = prelight_item;
            }
        } else if (xbutton->button == Button5) {
            prelight_item = (xbutton->y+24)/_items;
            if(prelight_item != filelist->prelight_item) {
                filelist->prelight_item = prelight_item;
            }
        } else if(xbutton->button == Button1) {
            Widget_t* listview = (Widget_t*) w->parent;
            filelist->active_item = filelist->prelight_item;
            adj_set_value(listview->adj,filelist->active_item);
        }
    }
}

References ViewList_t::active_item, Widget_t::adj, adj_set_value(), Widget_t::app, Xputty::dpy, Widget_t::flags, HAS_POINTER, Widget_t::parent, Widget_t::parent_struct, ViewList_t::prelight_item, and Widget_t::widget.

_list_key_pressed()

void _list_key_pressed	(	void *	w_,
		void *	xkey_,
		void *	user_data
	)

_list_key_pressed - move listview or set active entry

Parameters

*w_	- void pointer to the Widget_t listview
*button_	- void pointer to the XButtonEvent
*user_data	- void pointer to attached user_data

Returns

void

Definition at line 108 of file xlistview_private.c.

                                                               {
    Widget_t *w = (Widget_t*)w_;
    XKeyEvent *xkey = (XKeyEvent*)xkey_;
    ViewList_t *filelist = (ViewList_t*)w->parent_struct;
    XWindowAttributes attrs;
    XGetWindowAttributes(w->app->dpy, (Window)w->widget, &attrs);
    int height = attrs.height;
    int _items = height/(height/25);
   // filelist->prelight_item = xkey->y/_items;
    int nk = key_mapping(w->app->dpy, xkey);
    if (nk) {
        switch (nk) {
            case 3: filelist->prelight_item = (xkey->y+24)/_items;
            break;
            case 4: filelist->prelight_item = (xkey->y+24)/_items;
            break;
            case 5: filelist->prelight_item = (xkey->y-24)/_items;
            break;
            case 6: filelist->prelight_item = (xkey->y-24)/_items;
            break;
            default:
            break;
        }
    }
}

References Widget_t::app, Xputty::dpy, key_mapping(), Widget_t::parent_struct, ViewList_t::prelight_item, and Widget_t::widget.

_list_motion()

void _list_motion	(	void *	w_,
		void *	xmotion_,
		void *	user_data
	)

_list_motion - follow mouse pointer to set prelight item

Parameters

*w_	- void pointer to the Widget_t listview
*xmotion_	- void pointer to the XMotionEvent
*user_data	- void pointer to attached user_data

Returns

void

Definition at line 93 of file xlistview_private.c.

                                                             {
    Widget_t *w = (Widget_t*)w_;
    ViewList_t *filelist = (ViewList_t*)w->parent_struct;
    XMotionEvent *xmotion = (XMotionEvent*)xmotion_;
    XWindowAttributes attrs;
    XGetWindowAttributes(w->app->dpy, (Window)w->widget, &attrs);
    int height = attrs.height;
    int _items = height/(height/25);
    int prelight_item = xmotion->y/_items;
    if(prelight_item != filelist->prelight_item) {
        filelist->prelight_item = prelight_item;
        expose_widget(w);
    }
}

References Widget_t::app, Xputty::dpy, expose_widget(), Widget_t::parent_struct, ViewList_t::prelight_item, and Widget_t::widget.

_reconfigure_listview_viewport()

void _reconfigure_listview_viewport	(	void *	w_,
		void *	user_data
	)

_reconfigure_listview_viewport - reconfigure the viewport adjustment on size changes

Parameters

*w_	- void pointer to view_port
*user_data	- attached user_data

Returns

void

Definition at line 169 of file xlistview_private.c.

                                                               {
    Widget_t *w = (Widget_t*)w_;
    float st = adj_get_state(w->adj);
    Widget_t* listview = (Widget_t*) w->parent;
    ViewList_t *filelist = (ViewList_t*)w->parent_struct;
    XWindowAttributes attrs;
    XGetWindowAttributes(listview->app->dpy, (Window)listview->widget, &attrs);
    int height = attrs.height;
    filelist->show_items = height/25;
    w->adj->max_value = filelist->list_size-filelist->show_items;
    adj_set_state(w->adj,st);
}

References Widget_t::adj, adj_get_state(), adj_set_state(), Widget_t::app, Xputty::dpy, Adjustment_t::max_value, Widget_t::parent, Widget_t::parent_struct, and Widget_t::widget.

_set_listview_viewpoint()

void _set_listview_viewpoint	(	void *	w_,
		void *	user_data
	)

_set_listview_viewpoint - move the view_port to position

Parameters

*w_	- void pointer to view_port
*user_data	- attached user_data

Returns

void

Definition at line 215 of file xlistview_private.c.

                                                        {
    Widget_t *w = (Widget_t*)w_;
    int v = (int)max(0,adj_get_value(w->adj));
    XMoveWindow(w->app->dpy,w->widget,0, -25*v);
}

References Widget_t::adj, adj_get_value(), Widget_t::app, Xputty::dpy, max, and Widget_t::widget.