xadjustment.h File Reference

Go to the source code of this file.

Data Structures
struct	Adjustment_t
	Adjustment_t - struct to hold a controller adjustment. More...

Enumerations
enum	CL_type {   CL_NONE = 0x0001 , CL_CONTINUOS = 0x0002 , CL_TOGGLE = 0x0004 , CL_BUTTON = 0x0008 ,   CL_ENUM = 0x0016 , CL_VIEWPORT = 0x0032 , CL_METER = 0x0064 , CL_LOGARITHMIC = 0x0128 ,   CL_LOGSCALE = 0x0256 , CL_VIEWPORTSLIDER = 0x0512 }
	CL_type - define the type of the controller adjustment one of this types must be given when set up a Adjustment_t for a Wdiget_t. More...

Functions
Adjustment_t *	add_adjustment (Widget_t *w, float std_value, float value, float min_value, float max_value, float step, CL_type type)
	*add_adjustment - adding a adjustment to a Widget_t
void	set_adjustment (Adjustment_t *adj, float std_value, float value, float min_value, float max_value, float step, CL_type type)
	*set_adjustment - set a new range to a existing Adjustment_t or create if it not exists yet
void *	delete_adjustment (Adjustment_t *adj)
	delete_adjustment - freeing the memory of the Adjustment_t You usually don't need to call this, as it get handled by main_quit() -> destroy_widget()
float	adj_get_state (Adjustment_t *adj)
	adj_get_state - get the current state of the Adjustment_t
void	adj_set_state (Adjustment_t *adj, float state)
	adj_set_state - set the current state of the Adjustment_t
float	adj_get_value (Adjustment_t *adj)
	adj_get_value - get the current value of the Adjustment_t
float	adj_get_std_value (Adjustment_t *adj)
	adj_get_std_value - get the standart value of the Adjustment_t
float	adj_get_min_value (Adjustment_t *adj)
	adj_get_min_value - get the minimal value of the Adjustment_t
float	adj_get_max_value (Adjustment_t *adj)
	adj_get_max_value - get the maximal value of the Adjustment_t
void	adj_set_value (Adjustment_t *adj, float value)
	adj_set_value - set the current value to the Adjustment_t
void	adj_set_min_value (Adjustment_t *adj, float value)
	adj_set_min_value - set the minimal value to the Adjustment_t
void	adj_set_max_value (Adjustment_t *adj, float value)
	adj_set_max_value - set the maximal value to the Adjustment_t
void	adj_set_std_value (Adjustment_t *adj, float value)
	adj_set_std_value - set the standart value to the Adjustment_t
void	adj_set_start_value (void *w)
	adj_set_start_value - internal use to store the value when pointer movment starts
void	adj_set_scale (Adjustment_t *adj, float value)
	adj_set_scale - internal use to scale the pointer movement (0.1 -1.0)
void	adj_set_log_scale (Adjustment_t *adj, float value)
	adj_set_log_scale - internal use to set the logarithmic scale
void	adj_set_motion_state (void *w, float x, float y)
	adj_set_motion_state - internal use to set value and state of the Adjustment_t on mouse pointer movment
void	check_value_changed (Adjustment_t *adj, float *value)
	check_value_changed - check if Adjustment_t value have changed and send value_changed_callback (VALUE_CHANGED) and adj_callback (ADJ_INTERN) if so

Enumeration Type Documentation

CL_type

enum CL_type

CL_type - define the type of the controller adjustment one of this types must be given when set up a Adjustment_t for a Wdiget_t.

Parameters

CL_NONE	- Widget_t didn't request a adjustment
CL_CONTINUOS	- Widget_t request a continuos adjustment
CL_TOGGLE	- Widget_t request a toggle adjustment
CL_BUTTON	- Widget_t request a button adjustment
CL_ENUM	- Widget_t request a enum adjustment
CL_LOGARITHMIC	- Widget_t request a logarithmic adjustment

Enumerator
CL_NONE	Widget_t didn't request a adjustment
CL_CONTINUOS	Widget_t request a continuos adjustment
CL_TOGGLE	Widget_t request a toggle adjustment
CL_BUTTON	Widget_t request a button adjustment
CL_ENUM	Widget_t request a enum adjustment
CL_VIEWPORT	Widget_t request a viewport adjustment
CL_METER	Widget_t request a viewport adjustment
CL_LOGARITHMIC	Widget_t request a logarithmic adjustment
CL_LOGSCALE	Widget_t request a logarithmic scaled adjustment
CL_VIEWPORTSLIDER	Widget_t request a viewport slider adjustment

Definition at line 45 of file xadjustment.h.

             {
    CL_NONE            = 0x0001,
    CL_CONTINUOS       = 0x0002,
    CL_TOGGLE          = 0x0004,
    CL_BUTTON          = 0x0008,
    CL_ENUM            = 0x0016,
    CL_VIEWPORT        = 0x0032,
    CL_METER           = 0x0064,
    CL_LOGARITHMIC     = 0x0128,
    CL_LOGSCALE        = 0x0256,
    CL_VIEWPORTSLIDER  = 0x0512,
}CL_type;

Function Documentation

add_adjustment()

Adjustment_t * add_adjustment	(	Widget_t *	w,
		float	std_value,
		float	value,
		float	min_value,
		float	max_value,
		float	step,
		CL_type	type
	)

*add_adjustment - adding a adjustment to a Widget_t

Parameters

*w	- pointer to the Widget_t request a Adjustment_t
std_value	- standard value of the Adjustment_t
value	- current value of the Adjustment_t
min_value	- minimum value of the Adjustment_t
max_value	- maximal value of the Adjustment_t
step	- step to increase/decrease the Adjustment_t
type	- set CL_type of Adjustment_t

Returns

*adj - pointer to the Adjustment_t

Definition at line 25 of file xadjustment.c.

                                                                           {
    Adjustment_t *adj = (Adjustment_t*)malloc(sizeof(Adjustment_t));
    assert(adj);
    adj->log_scale = 20.0;
 
    switch(type) {
        case (CL_LOGSCALE) :
        *(adj) = (Adjustment_t) {
            .w           = w,
            .std_value   = powf(10,(std_value/adj->log_scale)),
            .value       = powf(10,(value/adj->log_scale)),
            .min_value   = powf(10,(min_value/adj->log_scale)),
            .max_value   = powf(10,(max_value/adj->log_scale)),
            .step        = step,
            .start_value = powf(10,(value/adj->log_scale)),
            .scale       = 1.0, 
            .type        = type,
            .log_scale   = adj->log_scale
        };
        break;
        case (CL_LOGARITHMIC) :
        *(adj) = (Adjustment_t) {
            .w           = w,
            .std_value   = log10(std_value),
            .value       = log10(value),
            .min_value   = log10(min_value),
            .max_value   = log10(max_value),
            .step        = step,
            .start_value = log10(value),
            .scale       = 1.0, 
            .type        = type,
            .log_scale   = adj->log_scale
        };
        break;
        default:
        *(adj) = (Adjustment_t) {
            .w           = w,
            .std_value   = std_value,
            .value       = value,
            .min_value   = min_value,
            .max_value   = max_value,
            .step        = step,
            .start_value = value,
            .scale       = 1.0, 
            .type        = type,
            .log_scale   = adj->log_scale
        };
        break;
    }
 
    debug_print("Widget_t add adjustment\n");
    return adj;
}

References CL_LOGARITHMIC, CL_LOGSCALE, Adjustment_t::log_scale, and Widget_t::scale.

Referenced by add_button(), add_check_box(), add_check_button(), add_combobox(), add_hmeter(), add_hslider(), add_image_button(), add_image_knob(), add_image_toggle_button(), add_knob(), add_listbox(), add_listview(), add_menu(), add_multi_listview(), add_on_off_button(), add_playhead(), add_switch_image_button(), add_tabbox(), add_toggle_button(), add_tuner(), add_valuedisplay(), add_vmeter(), add_vslider(), cmenu_add_submenu(), create_combobox_viewport(), create_listbox_viewport(), create_listview_viewport(), create_multi_listview_viewport(), create_viewport(), menu_add_check_item(), menu_add_submenu(), menu_add_value_entry(), and menu_add_value_item().

adj_get_max_value()

float adj_get_max_value

(

Adjustment_t *

adj

)

adj_get_max_value - get the maximal value of the Adjustment_t

Parameters

*adj	- pointer to the Adjustment_t

Returns

float - return the Adjustment_t value

Definition at line 181 of file xadjustment.c.

                                           {
    if (!adj) return 0.0;
    if (adj->type == CL_LOGSCALE)
        return log10(adj->max_value)*adj->log_scale;
    else if (adj->type == CL_LOGARITHMIC)
        return powf(10,adj->max_value);
    return (adj->max_value);
}

References CL_LOGARITHMIC, CL_LOGSCALE, Adjustment_t::log_scale, Adjustment_t::max_value, and Adjustment_t::type.

adj_get_min_value()

float adj_get_min_value

(

Adjustment_t *

adj

)

adj_get_min_value - get the minimal value of the Adjustment_t

Parameters

*adj	- pointer to the Adjustment_t

Returns

float - return the Adjustment_t value

Definition at line 172 of file xadjustment.c.

                                           {
    if (!adj) return 0.0;
    if (adj->type == CL_LOGSCALE)
        return log10(adj->min_value)*adj->log_scale;
    else if (adj->type == CL_LOGARITHMIC)
        return powf(10,adj->min_value);
    return (adj->min_value);
}

References CL_LOGARITHMIC, CL_LOGSCALE, Adjustment_t::log_scale, Adjustment_t::min_value, and Adjustment_t::type.

adj_get_state()

float adj_get_state

(

Adjustment_t *

adj

)

adj_get_state - get the current state of the Adjustment_t

Parameters

*adj	- pointer to the Adjustment_t

Returns

float - return the Adjustment_t state mapped to (0<->1)

Definition at line 148 of file xadjustment.c.

                                       {
    if (!adj) return 0.0;
    return (adj->value - adj->min_value) /
       (adj->max_value - adj->min_value);
}

References Adjustment_t::max_value, Adjustment_t::min_value, and Adjustment_t::value.

Referenced by _draw_combobox_menu_slider(), _draw_hslider(), _draw_image_button(), _draw_image_button_with_label(), _draw_image_knob(), _draw_image_slider(), _draw_knob(), _draw_listbox_viewslider(), _draw_listviewslider(), _draw_menu_slider(), _draw_multi_listviewslider(), _draw_playhead(), _draw_vslider(), _reconfigure_combobox_viewport(), _reconfigure_listbox_viewport(), _reconfigure_listview_viewport(), _set_combobox_menu_viewport(), _set_combobox_viewpoint(), _set_entry(), _set_listview_viewpoint(), _set_listviewport(), _set_menu_viewpoint(), _set_multi_listview_viewpoint(), _set_multi_listviewport(), _set_viewpoint(), and mk_draw_knob().

adj_get_std_value()

float adj_get_std_value

(

Adjustment_t *

adj

)

adj_get_std_value - get the standart value of the Adjustment_t

Parameters

*adj	- pointer to the Adjustment_t

Returns

float - return the Adjustment_t value

Definition at line 163 of file xadjustment.c.

                                           {
    if (!adj) return 0.0;
    if (adj->type == CL_LOGSCALE)
        return log10(adj->std_value)*adj->log_scale;
    else if (adj->type == CL_LOGARITHMIC)
        return powf(10,adj->std_value);
    return (adj->std_value);
}

References CL_LOGARITHMIC, CL_LOGSCALE, Adjustment_t::log_scale, Adjustment_t::std_value, and Adjustment_t::type.

adj_get_value()

float adj_get_value

(

Adjustment_t *

adj

)

adj_get_value - get the current value of the Adjustment_t

Parameters

*adj	- pointer to the Adjustment_t

Returns

float - return the Adjustment_t value

Definition at line 154 of file xadjustment.c.

                                       {
    if (!adj) return 0.0;
    if (adj->type == CL_LOGSCALE)
        return log10(adj->value)*adj->log_scale;
    else if (adj->type == CL_LOGARITHMIC)
        return powf(10,adj->value);
    return (adj->value);
}

References CL_LOGARITHMIC, CL_LOGSCALE, Adjustment_t::log_scale, Adjustment_t::type, and Adjustment_t::value.

Referenced by _buttons_released(), _combobox_entry_released(), _combobox_key_pressed(), _combobox_motion(), _draw_check_box(), _draw_combobox(), _draw_combobox_entrys(), _draw_h_meter(), _draw_hslider(), _draw_image_button_with_label(), _draw_knob(), _draw_list(), _draw_multi_list(), _draw_spinbox(), _draw_tabbox(), _draw_tuner(), _draw_v_meter(), _draw_value_item(), _draw_valuedisplay(), _draw_vslider(), _list_entry_double_clicked(), _list_entry_released(), _list_key_pressed(), _list_motion(), _menu_entry_released(), _multi_list_entry_double_clicked(), _multi_list_entry_released(), _multi_list_key_pressed(), _multi_list_motion(), _reconfigure_multi_listview_viewport(), _set_entry(), _set_listbox_viewpoint(), _set_viewpoint(), _update_list_view(), _update_view(), mk_open_midi_keyboard(), and set_active_radio_entry().

adj_set_log_scale()

void adj_set_log_scale	(	Adjustment_t *	adj,
		float	value
	)

adj_set_log_scale - internal use to set the logarithmic scale

Parameters

*adj	- pointer to the Adjustment_t
value	- value to set the scaleing factor to

Definition at line 237 of file xadjustment.c.

                                                       {
    adj->log_scale = value;
}

References Adjustment_t::log_scale.

adj_set_max_value()

void adj_set_max_value	(	Adjustment_t *	adj,
		float	value
	)

adj_set_max_value - set the maximal value to the Adjustment_t

Parameters

*adj	- pointer to the Adjustment_t
value	- value to set the Adjustment_t to

Definition at line 209 of file xadjustment.c.

                                                   {
    if (!adj) return;
    if (adj->type == CL_LOGSCALE)
        v = powf(10,(v/adj->log_scale));
    else if (adj->type == CL_LOGARITHMIC)
        v = log10(v);
    adj->max_value = v;
}

References CL_LOGARITHMIC, CL_LOGSCALE, Adjustment_t::log_scale, Adjustment_t::max_value, and Adjustment_t::type.

adj_set_min_value()

void adj_set_min_value	(	Adjustment_t *	adj,
		float	value
	)

adj_set_min_value - set the minimal value to the Adjustment_t

Parameters

*adj	- pointer to the Adjustment_t
value	- value to set the Adjustment_t to

Definition at line 200 of file xadjustment.c.

                                                   {
    if (!adj) return;
    if (adj->type == CL_LOGSCALE)
        v = powf(10,(v/adj->log_scale));
    else if (adj->type == CL_LOGARITHMIC)
        v = log10(v);
    adj->min_value = v;
}

References CL_LOGARITHMIC, CL_LOGSCALE, Adjustment_t::log_scale, Adjustment_t::min_value, and Adjustment_t::type.

adj_set_motion_state()

void adj_set_motion_state	(	void *	w,
		float	x,
		float	y
	)

adj_set_motion_state - internal use to set value and state of the Adjustment_t on mouse pointer movment

Parameters

*w	- pointer to Widget_t containing Adjustment_t
x	- movment on the x-axis
y	- movement on the y-axis

Definition at line 241 of file xadjustment.c.

                                                     {
    Widget_t * wid = (Widget_t*)w;
    if(wid->adj_x) {
        float value= wid->adj_x->value;
        switch(wid->adj_x->type) {
            case (CL_LOGSCALE):
            case (CL_LOGARITHMIC):
            case (CL_CONTINUOS):
            {
                float state = (wid->adj_x->start_value - wid->adj_x->min_value) / 
                    (wid->adj_x->max_value - wid->adj_x->min_value);
                float nsteps = wid->adj_x->step / (wid->adj_x->max_value - wid->adj_x->min_value);
                float nvalue = min(1.0,max(0.0,state + ((float)(x - wid->pos_x)*wid->adj_x->scale *nsteps)));
                float prevalue = nvalue * (wid->adj_x->max_value - wid->adj_x->min_value) + wid->adj_x->min_value;
                float mulscale = round(prevalue/wid->adj_x->step);
                value = min(wid->adj_x->max_value,max(wid->adj_x->min_value,mulscale*wid->adj_x->step));
            }
            break;
            case (CL_VIEWPORTSLIDER):
            {
                float state = (wid->adj_x->start_value - wid->adj_x->min_value) / 
                    (wid->adj_x->max_value - wid->adj_x->min_value);
                float nsteps = wid->adj_x->step / (wid->adj_x->max_value - wid->adj_x->min_value);
                float nvalue = min(1.0,max(0.0,state - ((float)(x - wid->pos_x)*wid->adj_x->scale *nsteps)));
                float prevalue = nvalue * (wid->adj_x->max_value - wid->adj_x->min_value) + wid->adj_x->min_value;
                float mulscale = round(prevalue/wid->adj_x->step);
                value = min(wid->adj_x->max_value,max(wid->adj_x->min_value,mulscale*wid->adj_x->step));
            }
            break;
            case (CL_TOGGLE):
                // dont toggle on motion!
                // value = wid->adj_x->value ? 0.0 : 1.0;
            break;
            default:
            break;
        }
        check_value_changed(wid->adj_x, &value);
    }
    if(wid->adj_y) {
        float value = wid->adj_y->value;
        switch(wid->adj_y->type) {
            case (CL_LOGSCALE):
            case (CL_LOGARITHMIC):
            case (CL_CONTINUOS):
            {
                float state = (wid->adj_y->start_value - wid->adj_y->min_value) / 
                    (wid->adj_y->max_value - wid->adj_y->min_value);
                float nsteps = wid->adj_y->step / (wid->adj_y->max_value - wid->adj_y->min_value);
                float nvalue = min(1.0,max(0.0,state + ((float)(wid->pos_y - y)*wid->adj_y->scale *nsteps)));
                float prevalue = nvalue * (wid->adj_y->max_value - wid->adj_y->min_value) + wid->adj_y->min_value;
                float mulscale = round(prevalue/wid->adj_y->step);
                value = min(wid->adj_y->max_value,max(wid->adj_y->min_value,mulscale*wid->adj_y->step));
            }
            break;
            case (CL_VIEWPORTSLIDER):
            {
                float state = (wid->adj_y->start_value - wid->adj_y->min_value) / 
                    (wid->adj_y->max_value - wid->adj_y->min_value);
                float nsteps = wid->adj_y->step / (wid->adj_y->max_value - wid->adj_y->min_value);
                float nvalue = min(1.0,max(0.0,state - ((float)(wid->pos_y - y)*wid->adj_y->scale *nsteps)));
                float prevalue = nvalue * (wid->adj_y->max_value - wid->adj_y->min_value) + wid->adj_y->min_value;
                float mulscale = round(prevalue/wid->adj_y->step);
                value = min(wid->adj_y->max_value,max(wid->adj_y->min_value,mulscale*wid->adj_y->step));
            }
            break;
            case (CL_TOGGLE):
                // dont toggle on motion!
                // value = wid->adj_y->value ? 0.0 : 1.0;
            break;
            default:
            break;
        }
        check_value_changed(wid->adj_y, &value);
    }
}

References Widget_t::adj_x, Widget_t::adj_y, check_value_changed(), CL_CONTINUOS, CL_LOGARITHMIC, CL_LOGSCALE, CL_TOGGLE, CL_VIEWPORTSLIDER, Adjustment_t::max_value, Adjustment_t::min_value, Widget_t::pos_x, Widget_t::pos_y, Adjustment_t::scale, Adjustment_t::start_value, Adjustment_t::step, Adjustment_t::type, and Adjustment_t::value.

Referenced by os_widget_event_loop(), and WndProc().

adj_set_scale()

void adj_set_scale	(	Adjustment_t *	adj,
		float	value
	)

adj_set_scale - internal use to scale the pointer movement (0.1 -1.0)

Parameters

*adj	- pointer to the Adjustment_t
value	- value to set the scaleing factor to

Definition at line 233 of file xadjustment.c.

                                                   {
    adj->scale = value;
}

References Adjustment_t::scale.

Referenced by _configure_listview(), _configure_menu(), _reconfigure_combobox_viewport(), _reconfigure_multi_listview_viewport(), and mk_open_midi_keyboard().

adj_set_start_value()

void adj_set_start_value

(

void *

w

)

adj_set_start_value - internal use to store the value when pointer movment starts

Parameters

*w	- pointer to Widget_t containing the Adjustment_t

Definition at line 227 of file xadjustment.c.

                                  {
    Widget_t * wid = (Widget_t*)w;
    if(wid->adj_x)wid->adj_x->start_value = wid->adj_x->value;
    if(wid->adj_y)wid->adj_y->start_value = wid->adj_y->value;
}

References Widget_t::adj_x, Widget_t::adj_y, Adjustment_t::start_value, and Adjustment_t::value.

Referenced by _toggle_event().

adj_set_state()

void adj_set_state	(	Adjustment_t *	adj,
		float	state
	)

adj_set_state - set the current state of the Adjustment_t

Parameters

*adj	- pointer to the Adjustment_t
state	- set the Adjustment_t state mapped to (0<->1)

Definition at line 141 of file xadjustment.c.

                                                   {
    if (!adj) return;
    float nvalue = min(1.0,max(0.0,state));
    float value = nvalue * (adj->max_value - adj->min_value) + adj->min_value;
    check_value_changed(adj, &value);
}

References check_value_changed(), Adjustment_t::max_value, and Adjustment_t::min_value.

Referenced by _reconfigure_combobox_viewport(), _reconfigure_listbox_viewport(), _reconfigure_listview_viewport(), _set_combobox_menu_viewport(), _set_combobox_viewpoint(), _set_entry(), _set_listview_viewpoint(), _set_listviewport(), _set_menu_viewpoint(), _set_multi_listview_viewpoint(), _set_multi_listviewport(), and _set_viewpoint().

adj_set_std_value()

void adj_set_std_value	(	Adjustment_t *	adj,
		float	value
	)

adj_set_std_value - set the standart value to the Adjustment_t

Parameters

*adj	- pointer to the Adjustment_t
value	- value to set the Adjustment_t to

Definition at line 218 of file xadjustment.c.

                                                   {
    if (!adj) return;
    if (adj->type == CL_LOGSCALE)
        v = powf(10,(v/adj->log_scale));
    else if (adj->type == CL_LOGARITHMIC)
        v = log10(v);
    adj->std_value = v;
}

References CL_LOGARITHMIC, CL_LOGSCALE, Adjustment_t::log_scale, Adjustment_t::std_value, and Adjustment_t::type.

adj_set_value()

void adj_set_value	(	Adjustment_t *	adj,
		float	value
	)

adj_set_value - set the current value to the Adjustment_t

Parameters

*adj	- pointer to the Adjustment_t
value	- value to set the Adjustment_t to

Definition at line 190 of file xadjustment.c.

                                               {
    if (!adj) return;
    if (adj->type == CL_LOGSCALE)
        v = powf(10,(v/adj->log_scale));
    else if (adj->type == CL_LOGARITHMIC)
        v = log10(v);
    v = min(adj->max_value,max(adj->min_value, v));
    check_value_changed(adj, &v);
}

References check_value_changed(), CL_LOGARITHMIC, CL_LOGSCALE, Adjustment_t::log_scale, Adjustment_t::max_value, Adjustment_t::min_value, and Adjustment_t::type.

Referenced by _button_combobox_released(), _button_pressed(), _button_released(), _buttons_released(), _check_item_button_pressed(), _combobox_entry_released(), _list_entry_released(), _menu_entry_released(), _multi_list_entry_released(), _reconfigure_multi_listview_viewport(), _set_entry(), _tab_button_released(), _toggle_button_released(), add_keyboard(), combobox_set_active_entry(), listbox_set_active_entry(), listview_remove_list(), listview_set_active_entry(), multi_listview_remove_list(), multi_listview_set_active_entry(), radio_box_set_active(), radio_item_set_active(), set_active_radio_entry(), and tabbox_add_tab().

check_value_changed()

void check_value_changed	(	Adjustment_t *	adj,
		float *	value
	)

check_value_changed - check if Adjustment_t value have changed and send value_changed_callback (VALUE_CHANGED) and adj_callback (ADJ_INTERN) if so

Parameters

*adj	- pointer to the Adjustment_t
value	- value to check

Definition at line 317 of file xadjustment.c.

                                                          {
    debug_print("Adjustment_t check_value_changed %f\n", *(value));
    if(fabs(*(value) - adj->value)>=0.00001) {
        adj->value = *(value);
        adj->w->func.adj_callback(adj->w, NULL);
        adj->w->func.value_changed_callback(adj->w, value);
    }
}

References Func_t::adj_callback, Widget_t::func, Adjustment_t::value, Func_t::value_changed_callback, and Adjustment_t::w.

Referenced by _check_enum(), _listbox_entry_released(), _scroll_event(), _set_adj_value(), adj_set_motion_state(), adj_set_state(), and adj_set_value().

delete_adjustment()

void * delete_adjustment

(

Adjustment_t *

adj

)

delete_adjustment - freeing the memory of the Adjustment_t You usually don't need to call this, as it get handled by main_quit() -> destroy_widget()

Parameters

*adj	- pointer to the Adjustment to free

Definition at line 133 of file xadjustment.c.

                                           {
    if(adj) {
        free(adj);
        debug_print("Widget_t delete adjustment\n");
    }
    return NULL;
}

Referenced by destroy_widget().

set_adjustment()

void set_adjustment	(	Adjustment_t *	adj,
		float	std_value,
		float	value,
		float	min_value,
		float	max_value,
		float	step,
		CL_type	type
	)

*set_adjustment - set a new range to a existing Adjustment_t or create if it not exists yet

Parameters

*adj	- pointer to the Adjustment_t
std_value	- standard value of the Adjustment_t
value	- current value of the Adjustment_t
min_value	- minimum value of the Adjustment_t
max_value	- maximal value of the Adjustment_t
step	- step to increase/decrease the Adjustment_t
type	- set CL_type of Adjustment_t

Definition at line 80 of file xadjustment.c.

                                                                           {
    if (!adj) adj = (Adjustment_t*)malloc(sizeof(Adjustment_t));
    assert(adj);
 
    switch(type) {
        case (CL_LOGSCALE) :
        *(adj) = (Adjustment_t) {
            .w           = adj->w,
            .std_value   = powf(10,(std_value/adj->log_scale)),
            .value       = powf(10,(value/adj->log_scale)),
            .min_value   = powf(10,(min_value/adj->log_scale)),
            .max_value   = powf(10,(max_value/adj->log_scale)),
            .step        = step,
            .start_value = powf(10,(value/adj->log_scale)),
            .scale       = 1.0, 
            .type        = type,
            .log_scale   = adj->log_scale
        };
        break;
        case (CL_LOGARITHMIC) :
        *(adj) = (Adjustment_t) {
            .w           = adj->w,
            .std_value   = log10(std_value),
            .value       = log10(value),
            .min_value   = log10(min_value),
            .max_value   = log10(max_value),
            .step        = step,
            .start_value = log10(value),
            .scale       = 1.0, 
            .type        = type,
            .log_scale   = adj->log_scale
        };
        break;
        default:
        *(adj) = (Adjustment_t) {
            .w           = adj->w,
            .std_value   = std_value,
            .value       = value,
            .min_value   = min_value,
            .max_value   = max_value,
            .step        = step,
            .start_value = value,
            .scale       = 1.0, 
            .type        = type,
            .log_scale   = adj->log_scale
        };
        break;
    }
 
    debug_print("Widget_t set adjustment\n");
}

References CL_LOGARITHMIC, CL_LOGSCALE, Adjustment_t::log_scale, Widget_t::scale, and Adjustment_t::w.

Referenced by _configure_combobox_menu(), _configure_menu(), _reconfigure_combobox_viewport(), add_keyboard(), add_keyboard_knob(), cmenu_add_submenu(), combobox_add_entry(), combobox_delete_entrys(), create_combobox_menu(), create_menu(), listbox_add_entry(), listview_remove_list(), listview_set_list(), menu_add_accel_check_entry(), menu_add_check_entry(), menu_add_entry(), menu_add_item(), menu_add_numeric_items(), menu_add_radio_entry(), menu_add_submenu(), menu_add_value_entry(), menu_remove_item(), mk_open_midi_keyboard(), multi_listview_remove_list(), multi_listview_set_list(), open_file_dialog(), tabbox_add_tab(), and tabbox_remove_tab().