Data Structures
struct	app_calculator_t
	Calculator context. More...

struct	widget_context
	Widget application context. More...

Macros
#define	BT_H 40
	Height (in pixels) of a normal sized button. More...

#define	BT_POS_X(col) (W_SP + (BT_W * (col)))
	Calculate button X coordinate. More...

#define	BT_POS_Y(row) (W_SP + T_H + T_SP + (BT_H * (row)))
	Calculate button Y coordinate. More...

#define	BT_W 40
	Width (in pixels) of a normal sized button. More...

#define	BT_X 4
	Number of buttons in one column. More...

#define	BT_Y 5
	Number of buttons in one row. More...

#define	MAX_DIGITS 9
	Maximum number of digits on display. More...

#define	MAX_VALUE 999999999L
	Maximum value we can show on display. More...

#define	MIN_VALUE -999999999L
	Minimum value we can show on display. More...

#define	T_H 16
	Height of the static text field. More...

#define	T_SP 16
	Spacing between static text and button pad. More...

#define	T_W (BT_W * BT_X)
	Width of the static text field. More...

#define	TOTAL_NUM_ICONS 3

#define	W_SP 16
	Spacing between widget frame and components. More...

Enumerations
enum	command_id { DUMMY_ID, ICON_BUTTON_1_ID, ICON_BUTTON_2_ID, ICON_BUTTON_3_ID, BUTTON_PREV_ID, BUTTON_NEXT_ID, BUTTON_SELECT_ID, DUMMY_ID, SLIDER_ID, BUTTON_ID, DUMMY_ID, SLIDER_ID, CHECK_BOX_ID, RADIO_BUTTON_1_ID, RADIO_BUTTON_2_ID, BUTTON_ID }
	Command event IDs. More...

enum	command_id { DUMMY_ID, ICON_BUTTON_1_ID, ICON_BUTTON_2_ID, ICON_BUTTON_3_ID, BUTTON_PREV_ID, BUTTON_NEXT_ID, BUTTON_SELECT_ID, DUMMY_ID, SLIDER_ID, BUTTON_ID, DUMMY_ID, SLIDER_ID, CHECK_BOX_ID, RADIO_BUTTON_1_ID, RADIO_BUTTON_2_ID, BUTTON_ID }
	Command event IDs. More...

enum	command_id { DUMMY_ID, ICON_BUTTON_1_ID, ICON_BUTTON_2_ID, ICON_BUTTON_3_ID, BUTTON_PREV_ID, BUTTON_NEXT_ID, BUTTON_SELECT_ID, DUMMY_ID, SLIDER_ID, BUTTON_ID, DUMMY_ID, SLIDER_ID, CHECK_BOX_ID, RADIO_BUTTON_1_ID, RADIO_BUTTON_2_ID, BUTTON_ID }
	Command event IDs. More...

Functions
static bool	app_calc_handler (struct wtk_basic_frame *frame, win_command_t command_data)
	Frame handler for the application. More...

static void	app_calc_update_disp (struct app_calculator_t *calc)
	Update calculator display with new value. More...

bool	app_widget_launch (void)
	Setup widget demo. More...

static void	app_widget_update_colors (struct widget_context *widget)
	Update colors. More...

static void	calc_perform_operation (struct app_calculator_t *calc)
	Perform calculation. More...

static bool	widget_frame_command_handler (struct wtk_basic_frame *frame, win_command_t command_data)
	Frame handler for the application. More...

Variables
static const char	btn_string [] = "Reset Slider"
	Description for the button. More...

static const char	checkbox_string [] = "Invert colors"
	Description for the check box. More...

static const char	rb1_string [] = "Color scheme 1"
	Description for the first radio button. More...

static const char	rb2_string [] = "Color scheme 2"
	Description for the second radio button. More...

static struct widget_context *	widget_ctx
	Statically allocated context pointer. More...

static struct widget_context *	widget_ctx
	Statically allocated context pointer. More...

static struct widget_context *	widget_ctx
	Statically allocated context pointer. More...

Color scheme
#define	COLOR_SCHEME_0_FG GFX_COLOR(30, 30, 200)
	Color scheme 0 foreground color. More...

#define	COLOR_SCHEME_0_BG GFX_COLOR(255, 255, 255)
	Color scheme 0 background color. More...

#define	COLOR_SCHEME_1_FG GFX_COLOR(0, 255, 0)
	Color scheme 1 foreground color. More...

#define	COLOR_SCHEME_1_BG GFX_COLOR(0, 100, 100)
	Color scheme 1 background color. More...

#define	APP_BACKGROUND_COLOR GFX_COLOR(220, 220, 220)
	Background color of the application frame. More...

Widget positions and sizes
#define	WIDGET_POS_X 14
	Leftmost X coordinate in frame for the widgets. More...

#define	WIDGET_POS_Y 5
	Topmost Y coordinate in frame for the widgets. More...

#define	SLIDER_POS_Y 10
	Slider X coordinate, inside frame. More...

#define	SLIDER_SIZE_X 120
	Width of slider. More...

#define	SLIDER_SIZE_Y 40
	Height of slider. More...

#define	SLIDER_PB_SPACING_X 10
	Spacing between the slider and progress bars. More...

#define	PB_SIZE_X SLIDER_SIZE_X
	Width of progress bar. More...

#define	PB_SIZE_Y SLIDER_SIZE_Y
	Height of progress bar. More...

#define	CHECK_BOX_SPACING_Y 20
	Spacing above check box to slider and progress bars. More...

#define	RADIO_BUTTON_SPACING_Y 10
	Spacing above each radio button. More...

#define	BUTTON_SPACING_Y 20
	Spacing above the button. More...

#define	BUTTON_SIZE_Y 30
	Height of the button. More...

#define APP_BACKGROUND_COLOR GFX_COLOR(220, 220, 220)

Background color of the application frame.

#define BT_H 40

Height (in pixels) of a normal sized button.

#define BT_POS_X ( col ) (W_SP + (BT_W * (col)))

Calculate button X coordinate.

#define BT_POS_Y ( row ) (W_SP + T_H + T_SP + (BT_H * (row)))

Calculate button Y coordinate.

#define BT_W 40

Width (in pixels) of a normal sized button.

#define BT_X 4

Number of buttons in one column.

#define BT_Y 5

Number of buttons in one row.

#define BUTTON_SIZE_Y 30

Height of the button.

#define BUTTON_SPACING_Y 20

Spacing above the button.

#define CHECK_BOX_SPACING_Y 20

Spacing above check box to slider and progress bars.

#define COLOR_SCHEME_0_BG GFX_COLOR(255, 255, 255)

Color scheme 0 background color.

Referenced by app_widget_update_colors().

#define COLOR_SCHEME_0_FG GFX_COLOR(30, 30, 200)

Color scheme 0 foreground color.

Referenced by app_widget_update_colors().

#define COLOR_SCHEME_1_BG GFX_COLOR(0, 100, 100)

Color scheme 1 background color.

Referenced by app_widget_update_colors().

#define COLOR_SCHEME_1_FG GFX_COLOR(0, 255, 0)

Color scheme 1 foreground color.

Referenced by app_widget_update_colors().

#define MAX_DIGITS 9

Maximum number of digits on display.

Referenced by app_calc_update_disp().

#define MAX_VALUE 999999999L

Maximum value we can show on display.

Referenced by app_calc_update_disp(), and calc_perform_operation().

#define MIN_VALUE -999999999L

Minimum value we can show on display.

Referenced by app_calc_update_disp(), and calc_perform_operation().

#define PB_SIZE_X SLIDER_SIZE_X

Width of progress bar.

#define PB_SIZE_Y SLIDER_SIZE_Y

Height of progress bar.

#define RADIO_BUTTON_SPACING_Y 10

Spacing above each radio button.

#define SLIDER_PB_SPACING_X 10

Spacing between the slider and progress bars.

#define SLIDER_POS_Y 10

Slider X coordinate, inside frame.

#define SLIDER_SIZE_X 120

Width of slider.

#define SLIDER_SIZE_Y 40

Height of slider.

#define T_H 16

Height of the static text field.

#define T_SP 16

Spacing between static text and button pad.

#define T_W (BT_W * BT_X)

Width of the static text field.

#define TOTAL_NUM_ICONS 3

Referenced by app_widget_launch(), and widget_frame_command_handler().

#define W_SP 16

Spacing between widget frame and components.

#define WIDGET_POS_X 14

Leftmost X coordinate in frame for the widgets.

#define WIDGET_POS_Y 5

Topmost Y coordinate in frame for the widgets.

enum command_id

Command event IDs.

Note: The first entry in this enum is zero-valued, and therefore reserved for widgets that should not issue command events.

See Also: Widget toolkit

Enumerator
DUMMY_ID	Unused command event ID.
ICON_BUTTON_1_ID	Command event ID for first icon button.
ICON_BUTTON_2_ID	Command event ID for second icon button.
ICON_BUTTON_3_ID	Command event ID for third icon button.
BUTTON_PREV_ID	Command event ID for previous icon button.
BUTTON_NEXT_ID	Command event ID for next icon button.
BUTTON_SELECT_ID	Command event ID for select icon button.
DUMMY_ID	Unused command event ID.
SLIDER_ID
BUTTON_ID
DUMMY_ID	Unused command event ID.
SLIDER_ID	Command event ID for slider.
CHECK_BOX_ID	Command event ID for check box.
RADIO_BUTTON_1_ID	Command event ID for radio button 1.
RADIO_BUTTON_2_ID	Command event ID for radio button 2.
BUTTON_ID	Command event ID for button.

enum command_id

Command event IDs.

Note: The first entry in this enum is zero-valued, and therefore reserved for widgets that should not issue command events.

See Also: Widget toolkit

Enumerator
DUMMY_ID	Unused command event ID.
ICON_BUTTON_1_ID	Command event ID for first icon button.
ICON_BUTTON_2_ID	Command event ID for second icon button.
ICON_BUTTON_3_ID	Command event ID for third icon button.
BUTTON_PREV_ID	Command event ID for previous icon button.
BUTTON_NEXT_ID	Command event ID for next icon button.
BUTTON_SELECT_ID	Command event ID for select icon button.
DUMMY_ID	Unused command event ID.
SLIDER_ID
BUTTON_ID
DUMMY_ID	Unused command event ID.
SLIDER_ID	Command event ID for slider.
CHECK_BOX_ID	Command event ID for check box.
RADIO_BUTTON_1_ID	Command event ID for radio button 1.
RADIO_BUTTON_2_ID	Command event ID for radio button 2.
BUTTON_ID	Command event ID for button.

enum command_id

Command event IDs.

Note: The first entry in this enum is zero-valued, and therefore reserved for widgets that should not issue command events.

See Also: Widget toolkit

Enumerator
DUMMY_ID	Unused command event ID.
ICON_BUTTON_1_ID	Command event ID for first icon button.
ICON_BUTTON_2_ID	Command event ID for second icon button.
ICON_BUTTON_3_ID	Command event ID for third icon button.
BUTTON_PREV_ID	Command event ID for previous icon button.
BUTTON_NEXT_ID	Command event ID for next icon button.
BUTTON_SELECT_ID	Command event ID for select icon button.
DUMMY_ID	Unused command event ID.
SLIDER_ID
BUTTON_ID
DUMMY_ID	Unused command event ID.
SLIDER_ID	Command event ID for slider.
CHECK_BOX_ID	Command event ID for check box.
RADIO_BUTTON_1_ID	Command event ID for radio button 1.
RADIO_BUTTON_2_ID	Command event ID for radio button 2.
BUTTON_ID	Command event ID for button.

static bool app_calc_handler	(	struct wtk_basic_frame *	frame,
		win_command_t	command_data
	)

static

Frame handler for the application.

Handles all command events from the widgets in the application frame.

See Also: wtk_basic_frame_command_handler_t

Parameters

frame	Pointer to the application frame
command_data	Command event ID

Returns: True if exiting, to destroy the window

References app_calc_update_disp(), calc_perform_operation(), app_calculator_t::calc_regs, app_calculator_t::CALC_STATE_ERROR, app_calculator_t::CALC_STATE_READY, app_calculator_t::CALC_STATE_WAIT_OP, app_calculator_t::CALC_STATE_WAIT_VAL1, app_calculator_t::CALC_STATE_WAIT_VAL2, app_calculator_t::display, app_calculator_t::operand, app_calculator_t::operation, app_calculator_t::result, app_calculator_t::state, and wtk_basic_frame_get_custom_data().

static void app_calc_update_disp ( struct app_calculator_t * calc )

static

Update calculator display with new value.

Parameters

calc	Pointer to calculator struct

References app_calculator_t::calc_regs, app_calculator_t::display, MAX_DIGITS, MAX_VALUE, MIN_VALUE, app_calculator_t::state, app_calculator_t::text, and wtk_label_change().

Referenced by app_calc_handler().

bool app_widget_launch ( void )

Setup widget demo.

Allocates memory for the application context, and creates all widgets that make up its interface. If memory allocation or widget creation fails, the application exits immediately.

Returns: Boolean true if the application was launched successfully, false if a memory allocation occurred.

Referenced by main().

static void app_widget_update_colors ( struct widget_context * widget )

static

Update colors.

Updates the colors for the progress bar and issues redrawing of the widgets.

Parameters

widget Context for widget application

References widget_context::color_invert, widget_context::color_scheme, COLOR_SCHEME_0_BG, COLOR_SCHEME_0_FG, COLOR_SCHEME_1_BG, COLOR_SCHEME_1_FG, widget_context::pb, temp, win_redraw(), wtk_progress_bar_as_child(), and wtk_progress_bar_set_colors().

Referenced by widget_frame_command_handler().

static void calc_perform_operation ( struct app_calculator_t * calc )

static

Perform calculation.

Parameters

calc	Pointer to calculator struct

References app_calculator_t::calc_regs, MAX_VALUE, MIN_VALUE, app_calculator_t::operand, app_calculator_t::operation, app_calculator_t::result, and app_calculator_t::state.

Referenced by app_calc_handler().

static bool widget_frame_command_handler	(	struct wtk_basic_frame *	frame,
		win_command_t	command_data
	)

static

Frame handler for the application.

Handles all command events from the widgets in the application frame.

See Also: wtk_basic_frame_command_handler_t

Parameters

frame	Pointer to the application frame
command_data	Command event ID

Returns: True if exiting, to destroy the window

References BUTTON_NEXT_ID, BUTTON_PREV_ID, BUTTON_SELECT_ID, win_command_event::data, ICON_BUTTON_1_ID, ICON_BUTTON_2_ID, ICON_BUTTON_3_ID, widget_context::icon_group, widget_context::icons, widget_context::lbl_selected, win_command_event::recipient, win_command_event::sender, TOTAL_NUM_ICONS, win_queue_command_event(), wtk_basic_frame_get_custom_data(), wtk_icon_button_as_child(), wtk_icon_button_get_command(), wtk_icon_button_select(), wtk_icon_group_get_selected(), and wtk_label_change().

Referenced by app_widget_launch().

const char btn_string[] = "Reset Slider"

static

Description for the button.

const char checkbox_string[] = "Invert colors"

static

Description for the check box.

const char rb1_string[] = "Color scheme 1"

static

Description for the first radio button.

const char rb2_string[] = "Color scheme 2"

static

Description for the second radio button.

struct widget_context* widget_ctx

static

Statically allocated context pointer.

struct widget_context* widget_ctx

static

Statically allocated context pointer.

struct widget_context* widget_ctx

static

Statically allocated context pointer.

Microchip® Advanced Software Framework

Data Structures

Macros

Enumerations

Functions

Variables

Color scheme

Widget positions and sizes