xbutton_private.h File Reference

Go to the source code of this file.

Functions
void	_rounded_rectangle (cairo_t *cr, float x, float y, float width, float height)
	_rounded_rectangle - internal draw a rounded button
void	_pattern_out (Widget_t *w, Color_state st, int height)
	_pattern_in - a little pattern to make press state more visible
void	_pattern_in (Widget_t *w, Color_state st, int height)
	_pattern_in - a little pattern to make press state more visible
void	_draw_switch_image_button (void *w_, void *user_data)
	draw switch_image_button - internal draw the button to the buffer
void	_draw_button (void *w_, void *user_data)
	_draw_button - internal draw the button to the buffer
void	_draw_base_button (void *w_, void *user_data)
	_draw_base_button - internal draw the button with base to the buffer
void	_draw_on_off_button (void *w_, void *user_data)
	_draw_on_off_button - internal draw the on/off button to the buffer
void	_draw_ti_button (void *w_, void *user_data)
	_draw_ti_button - internal draw the button to the buffer
void	_draw_check_button (void *w_, void *user_data)
	_draw_check_button - internal draw the button to the buffer
void	_draw_check_box (void *w_, void *user_data)
	_draw_check_box - internal draw the check box to the buffer
void	_button_pressed (void *w_, void *button_, void *user_data)
	_button_pressed - redraw the button and send state via user_callback
void	_button_released (void *w_, void *button_, void *user_data)
	_button_released - redraw the button and send state via user_callback
void	_toggle_button_pressed (void *w_, void *button_, void *user_data)
	_toggle_button_pressed - redraw the button and send state via user_callback
void	_toggle_button_released (void *w_, void *button_, void *user_data)
	_toggle_button_released - redraw the button and send state via user_callback

Function Documentation

_button_pressed()

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

_button_pressed - redraw the button and send state via user_callback

Parameters

*w_	- void pointer to the Widget_t button
*button_	- void pointer to XEvent.xbutton struct
*user_data	- void pointer to attached user_data

Definition at line 420 of file xbutton_private.c.

                                                              {
    Widget_t *w = (Widget_t*)w_;
    adj_set_value(w->adj_y, 1.0);
}

References adj_set_value(), and Widget_t::adj_y.

Referenced by add_button(), and add_image_button().

_button_released()

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

_button_released - redraw the button and send state via user_callback

Parameters

*w_	- void pointer to the Widget_t button
*button_	- void pointer to XEvent.xbutton struct
*user_data	- void pointer to attached user_data

Definition at line 425 of file xbutton_private.c.

                                                                {
    Widget_t *w = (Widget_t*)w_;
    if (w->flags & HAS_POINTER) w->state=1;
    adj_set_value(w->adj_y, 0.0);
}

References adj_set_value(), Widget_t::adj_y, Widget_t::flags, HAS_POINTER, and Widget_t::state.

Referenced by add_button(), and add_image_button().

_draw_base_button()

void _draw_base_button	(	void *	w_,
		void *	user_data
	)

_draw_base_button - internal draw the button with base to the buffer

Parameters

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

Definition at line 220 of file xbutton_private.c.

                                                  {
    Widget_t *w = (Widget_t*)w_;
    if (!w) return;
    Metrics_t metrics;
    os_get_window_metrics(w, &metrics);
    int width = metrics.width-2;
    int height = metrics.height-2;
    if (!metrics.visible) return;
    _draw_button_base(w, width, height);
 
    float offset = 0.0;
    if(w->state==1 && ! (int)w->adj_y->value) {
        offset = 1.0;
    } else if(w->state==1) {
        offset = 2.0;
    } else if(w->state==2) {
        offset = 2.0;
    } else if(w->state==3) {
        offset = 1.0;
    }
    if (w->image) {
        if(strlen(w->label)) {
            _draw_image_button_with_label(w, width, height);
        } else {
            _draw_image_button(w, width, height,offset);
        }
    } else {
 
        cairo_text_extents_t extents;
        use_text_color_scheme(w, get_color_state(w));
        cairo_set_font_size (w->crb, w->app->normal_font/w->scale.ascale);
 
        if (strstr(w->label, "_")) {
            cairo_text_extents(w->crb, "--", &extents);
            double underline = extents.width;
            strncpy(w->input_label,w->label, sizeof(w->input_label)-1);
            int pos = _remove_low_dash(w->input_label);
            int len = strlen(w->input_label);
            cairo_text_extents(w->crb,w->input_label , &extents);
            int set_line = (extents.width/len) * pos;
            cairo_move_to (w->crb, (width-extents.width)*0.5 +offset, (height+extents.height)*0.5 +offset);
            cairo_show_text(w->crb, w->input_label);
            cairo_set_line_width(w->crb, 1.0);
            cairo_move_to (w->crb, (width-extents.width)*0.5 +offset + set_line, (height+extents.height)*0.55 +offset);
            cairo_line_to(w->crb,(width-extents.width)*0.5 +offset + set_line + underline, (height+extents.height)*0.55 +offset);
            cairo_stroke(w->crb);
        } else {
            cairo_text_extents(w->crb,w->label , &extents);
            cairo_move_to (w->crb, (width-extents.width)*0.5 +offset, (height+extents.height)*0.5 +offset);
            cairo_show_text(w->crb, w->label);
        }
    }
}

References _draw_button_base(), _draw_image_button(), _draw_image_button_with_label(), _remove_low_dash(), Widget_t::adj_y, Widget_t::app, Resize_t::ascale, Widget_t::crb, get_color_state(), Metrics_t::height, Widget_t::image, Widget_t::input_label, Widget_t::label, Xputty::normal_font, os_get_window_metrics(), Widget_t::scale, Widget_t::state, use_text_color_scheme(), Adjustment_t::value, Metrics_t::visible, and Metrics_t::width.

Referenced by add_button(), and add_toggle_button().

_draw_button()

void _draw_button	(	void *	w_,
		void *	user_data
	)

_draw_button - internal draw the button to the buffer

Parameters

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

Definition at line 191 of file xbutton_private.c.

                                             {
    Widget_t *w = (Widget_t*)w_;
    if (!w) return;
    Metrics_t metrics;
    os_get_window_metrics(w, &metrics);
    int width = metrics.width-2;
    int height = metrics.height-2;
    if (!metrics.visible) return;
 
    float offset = 0.0;
    if(w->state==1 && ! (int)w->adj_y->value) {
        offset = 1.0;
    } else if(w->state==1) {
        offset = 2.0;
    } else if(w->state==2) {
        offset = 2.0;
    } else if(w->state==3) {
        offset = 1.0;
    }
 
    if (w->image) {
        if(strlen(w->label)) {
            _draw_image_button_with_label(w, width, height);
        } else {
            _draw_image_button(w, width, height,offset);
        }
    }
}

References _draw_image_button(), _draw_image_button_with_label(), Widget_t::adj_y, Metrics_t::height, Widget_t::image, Widget_t::label, os_get_window_metrics(), Widget_t::state, Adjustment_t::value, Metrics_t::visible, and Metrics_t::width.

Referenced by add_image_button().

_draw_check_box()

void _draw_check_box	(	void *	w_,
		void *	user_data
	)

_draw_check_box - internal draw the check box to the buffer

Parameters

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

Definition at line 374 of file xbutton_private.c.

                                                {
    Widget_t *w = (Widget_t*)w_;
    if (!w) return;
    Metrics_t metrics;
    os_get_window_metrics(w, &metrics);
    int height = metrics.height-2;
    if (!metrics.visible) return;
    if (w->image) {
        _draw_image_button(w, height, height,0.0);
    } else {
        _draw_button_base(w, height, height);
 
        if(adj_get_value(w->adj)) {
            use_fg_color_scheme(w, get_color_state(w));
            float offset = 1.0;
            int wa = height/1.3;
            int h = height/2.2;
            int wa1 = height/2.2;
            int h1 = height/1.3;
            int wa2 = height/2.8;
 
            cairo_set_line_width(w->crb, 2.5);
            cairo_move_to(w->crb, wa+offset, h+offset);
            cairo_line_to(w->crb, wa1+offset, h1+offset);
            cairo_line_to(w->crb, wa2+offset, h+offset);
            cairo_stroke(w->crb);
        }
 
        cairo_new_path (w->crb);
 
        cairo_text_extents_t extents;
        use_text_color_scheme(w, get_color_state(w));
        cairo_set_font_size (w->crb, w->app->normal_font/w->scale.ascale);
        cairo_text_extents(w->crb,w->label , &extents);
        cairo_move_to (w->crb, height+5 , (height+extents.height)*0.5 );
        cairo_show_text(w->crb, w->label);
        cairo_new_path (w->crb);
    }
}

References _draw_button_base(), _draw_image_button(), Widget_t::adj, adj_get_value(), Widget_t::app, Resize_t::ascale, Widget_t::crb, get_color_state(), Metrics_t::height, Widget_t::image, Widget_t::label, Xputty::normal_font, os_get_window_metrics(), Widget_t::scale, use_fg_color_scheme(), use_text_color_scheme(), and Metrics_t::visible.

Referenced by add_check_box().

_draw_check_button()

void _draw_check_button	(	void *	w_,
		void *	user_data
	)

_draw_check_button - internal draw the button to the buffer

Parameters

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

Definition at line 341 of file xbutton_private.c.

                                                   {
    Widget_t *w = (Widget_t*)w_;
    if (!w) return;
    Metrics_t metrics;
    os_get_window_metrics(w, &metrics);
    int width = metrics.width-2;
    int height = metrics.height-2;
    if (!metrics.visible) return;
    if (w->image) {
        _draw_image_button(w, width, height,0.0);
    } else {
        _draw_button_base(w, width, height);
 
        if(w->state==3) {
            use_fg_color_scheme(w, get_color_state(w));
            float offset = 1.0;
            int wa = width/1.3;
            int h = height/2.2;
            int wa1 = width/2.2;
            int h1 = height/1.3;
            int wa2 = width/2.8;
 
            cairo_set_line_width(w->crb, 2.5);
            cairo_move_to(w->crb, wa+offset, h+offset);
            cairo_line_to(w->crb, wa1+offset, h1+offset);
            cairo_line_to(w->crb, wa2+offset, h+offset);
            cairo_stroke(w->crb);
        }
 
        cairo_new_path (w->crb);
    }
}

References _draw_button_base(), _draw_image_button(), Widget_t::crb, get_color_state(), Metrics_t::height, Widget_t::image, os_get_window_metrics(), Widget_t::state, use_fg_color_scheme(), Metrics_t::visible, and Metrics_t::width.

Referenced by add_check_button().

_draw_on_off_button()

void _draw_on_off_button	(	void *	w_,
		void *	user_data
	)

_draw_on_off_button - internal draw the on/off button to the buffer

Parameters

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

Definition at line 274 of file xbutton_private.c.

                                                    {
    Widget_t *w = (Widget_t*)w_;
    if (!w) return;
    Metrics_t metrics;
    os_get_window_metrics(w, &metrics);
    int width = metrics.width-2;
    int height = metrics.height-2;
    if (!metrics.visible) return;
 
    _draw_button_base(w, width, height);
 
    float offset = 0.0;
    cairo_text_extents_t extents;
    if(w->state==1 && ! (int)w->adj_y->value) {
        offset = 1.0;
    } else if(w->state==1) {
        offset = 2.0;
    } else if(w->state==2) {
        offset = 2.0;
    } else if(w->state==3) {
        offset = 1.0;
    }
    if((int)w->adj_y->value) {
        w->label = "On";
    } else {
        w->label = "Off";
    }
 
    use_text_color_scheme(w, get_color_state(w));
    cairo_set_font_size (w->crb, w->app->normal_font/w->scale.ascale);
    cairo_text_extents(w->crb,w->label , &extents);
    if(IS_UTF8(w->label[0])) {
        cairo_set_font_size (w->crb, w->app->normal_font/w->scale.ascale);
        cairo_text_extents(w->crb,w->label , &extents);
    }
 
    cairo_move_to (w->crb, (width-extents.width)*0.5 +offset, (height+extents.height)*0.5 +offset);
    cairo_show_text(w->crb, w->label);
    cairo_new_path (w->crb);
 
}

References _draw_button_base(), Widget_t::adj_y, Widget_t::app, Resize_t::ascale, Widget_t::crb, get_color_state(), Metrics_t::height, Widget_t::label, Xputty::normal_font, os_get_window_metrics(), Widget_t::scale, Widget_t::state, use_text_color_scheme(), Adjustment_t::value, Metrics_t::visible, and Metrics_t::width.

Referenced by add_on_off_button().

_draw_switch_image_button()

void _draw_switch_image_button	(	void *	w_,
		void *	user_data
	)

draw switch_image_button - internal draw the button to the buffer

Parameters

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

Definition at line 114 of file xbutton_private.c.

                                                          {
    Widget_t *w = (Widget_t*)w_;
    if (!w) return;
    Metrics_t metrics;
    os_get_window_metrics(w, &metrics);
    int width = metrics.width-2;
    int height = metrics.height-2;
    if (!metrics.visible) return;
    if(strlen(w->label)) {
        _draw_image_button_with_label(w, width, height);
    } else {
        _draw_image_button(w, width, height,0.0);
    }
}

References _draw_image_button(), _draw_image_button_with_label(), Metrics_t::height, Widget_t::label, os_get_window_metrics(), Metrics_t::visible, and Metrics_t::width.

Referenced by add_switch_image_button().

_draw_ti_button()

void _draw_ti_button	(	void *	w_,
		void *	user_data
	)

_draw_ti_button - internal draw the button to the buffer

Parameters

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

Definition at line 316 of file xbutton_private.c.

                                                {
    Widget_t *w = (Widget_t*)w_;
    if (!w) return;
    Metrics_t metrics;
    os_get_window_metrics(w, &metrics);
    int width = metrics.width-2;
    int height = metrics.height-2;
    if (!metrics.visible) return;
    _draw_button_base(w, width, height);
    if (w->image) {
        float offset = 0.0;
        if(w->state==1 && ! (int)w->adj_y->value) {
            offset = 1.0;
        } else if(w->state==1) {
            offset = 2.0;
        } else if(w->state==2) {
            offset = 2.0;
        } else if(w->state==3) {
            offset = 1.0;
        }
        
       _draw_image_button(w, width, height,offset);
   }
}

References _draw_button_base(), _draw_image_button(), Widget_t::adj_y, Metrics_t::height, Widget_t::image, os_get_window_metrics(), Widget_t::state, Adjustment_t::value, Metrics_t::visible, and Metrics_t::width.

Referenced by add_image_toggle_button().

_pattern_in()

void _pattern_in	(	Widget_t *	w,
		Color_state	st,
		int	height
	)

_pattern_in - a little pattern to make press state more visible

Parameters

*w	- void pointer to the Widget_t button
st	- the color state to use
height	- the button height

Definition at line 46 of file xbutton_private.c.

                                                          {
    Colors *c = get_color_scheme(w,st);
    if (!c) return;
    cairo_pattern_t *pat = cairo_pattern_create_linear (2, 2, 2, height);
    cairo_pattern_add_color_stop_rgba(pat, 0.0, 0.0, 0.0, 0.0, 0.0);
    cairo_pattern_add_color_stop_rgba(pat, 0.5, c->light[0],  c->light[1], c->light[2],  c->light[3]);
    cairo_pattern_add_color_stop_rgba(pat, 1.0, 0.0, 0.0, 0.0, 0.0);
    cairo_set_source(w->crb, pat);
    cairo_pattern_destroy (pat);
}

References Widget_t::crb, get_color_scheme(), and Colors::light.

Referenced by _draw_button_base(), and _draw_combobox_button().

_pattern_out()

void _pattern_out	(	Widget_t *	w,
		Color_state	st,
		int	height
	)

_pattern_in - a little pattern to make press state more visible

Parameters

*w	- void pointer to the Widget_t button
st	- the color state to use
height	- the button height

Definition at line 35 of file xbutton_private.c.

                                                           {
    Colors *c = get_color_scheme(w,st);
    if (!c) return;
    cairo_pattern_t *pat = cairo_pattern_create_linear (2, 2, 2, height);
    cairo_pattern_add_color_stop_rgba(pat, 0.0, c->light[0],  c->light[1], c->light[2],  c->light[3]);
    cairo_pattern_add_color_stop_rgba(pat, 0.5, 0.0, 0.0, 0.0, 0.0);
    cairo_pattern_add_color_stop_rgba(pat, 1.0, c->light[0],  c->light[1], c->light[2],  c->light[3]);
    cairo_set_source(w->crb, pat);
    cairo_pattern_destroy (pat);
}

References Widget_t::crb, get_color_scheme(), and Colors::light.

Referenced by _draw_button_base(), and _draw_combobox_button().

_rounded_rectangle()

void _rounded_rectangle	(	cairo_t *	cr,
		float	x,
		float	y,
		float	width,
		float	height
	)

_rounded_rectangle - internal draw a rounded button

Parameters

*cr	- the cairo_t context to draw to
x	- point on x axis
y	- point on y axis
width	- the button width
height	- the button height

Definition at line 25 of file xbutton_private.c.

                                                                                 {
    cairo_new_path (cr);
    cairo_move_to  (cr, x, (y + height)/2);
    cairo_curve_to (cr, x ,y, x, y, (x + width)/2, y);
    cairo_curve_to (cr, width, y, width, y, width, (y + height)/2);
    cairo_curve_to (cr, width, height, width, height, (width + x)/2, height);
    cairo_curve_to (cr, x, height, x, height, x, (y + height)/2);
    cairo_close_path (cr);
}

Referenced by _draw_button_base().

_toggle_button_pressed()

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

_toggle_button_pressed - redraw the button and send state via user_callback

Parameters

*w_	- void pointer to the Widget_t button
*button_	- void pointer to XEvent.xbutton struct
*user_data	- void pointer to attached user_data

Definition at line 437 of file xbutton_private.c.

                                                                     {
    Widget_t *w = (Widget_t*)w_;
    expose_widget(w);
}

References expose_widget().

Referenced by add_check_box(), add_check_button(), add_image_toggle_button(), add_on_off_button(), add_switch_image_button(), and add_toggle_button().

_toggle_button_released()

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

_toggle_button_released - redraw the button and send state via user_callback

Parameters

*w_	- void pointer to the Widget_t button
*button_	- void pointer to XEvent.xbutton struct
*user_data	- void pointer to attached user_data

Definition at line 442 of file xbutton_private.c.

                                                                       {
    Widget_t *w = (Widget_t*)w_;
    XButtonEvent *xbutton = (XButtonEvent*)button_;
    if (w->flags & HAS_POINTER) {
        float value = w->adj->value;
        if (xbutton->button == Button1) value = value ? 
                w->adj->min_value : w->adj->max_value; 
        if (xbutton->button == Button4) value = w->adj->max_value; 
        if (xbutton->button == Button5) value = w->adj->min_value; 
        adj_set_value(w->adj, value);
        w->state = (int) w->adj->value ? 3 : 1;
    } else {
        w->state = (int) w->adj->value ? 3 : 0;
    }
    expose_widget(w);
}

References Widget_t::adj, adj_set_value(), XEvent::button, expose_widget(), Widget_t::flags, HAS_POINTER, Adjustment_t::max_value, Adjustment_t::min_value, Widget_t::state, and Adjustment_t::value.

Referenced by add_check_box(), add_check_button(), add_image_toggle_button(), add_on_off_button(), add_switch_image_button(), and add_toggle_button().