calc_context Struct Reference
[Calculator application]

Calculator application context. More...

Collaboration diagram for calc_context:

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Data Fields
struct wtk_basic_frame *	frame
	Pointer to application frame.
struct wtk_label *	display_lbl
	Pointer to display label for showing calc result.
struct font	old_sysfont
	Copy of the sysfont before it is modified by the application.
struct gfx_bitmap	background
	Background bitmap for application.
struct gfx_bitmap	label_background
	Background bitmap for display label.
char	text [MAX_DIGITS]
	Buffer for converting text to show on calc display.
int32_t	stack_value
	Current value in stack.
int32_t	disp_value
	Current value on display.
char	operator
	Current operator (+,-,*,/) to use when = is pressed.
enum calc_mode	mode
	Mode selected for displaying the result.

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Detailed Description

Calculator application context.

Definition at line 124 of file app_calc.c.

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Field Documentation

struct gfx_bitmap calc_context::background

Background bitmap for application.

Definition at line 132 of file app_calc.c.

int32_t calc_context::disp_value

Current value on display.

Definition at line 141 of file app_calc.c.

Referenced by calc_frame_command_handler(), and calc_update_display().

struct wtk_label* calc_context::display_lbl

Pointer to display label for showing calc result.

Definition at line 128 of file app_calc.c.

Referenced by calc_update_display().

struct wtk_basic_frame* calc_context::frame

Pointer to application frame.

Definition at line 126 of file app_calc.c.

struct gfx_bitmap calc_context::label_background

Background bitmap for display label.

Definition at line 134 of file app_calc.c.

enum calc_mode calc_context::mode

Mode selected for displaying the result.

Definition at line 145 of file app_calc.c.

Referenced by calc_frame_command_handler(), and calc_update_display().

struct font calc_context::old_sysfont

Copy of the sysfont before it is modified by the application.

Definition at line 130 of file app_calc.c.

Referenced by calc_frame_command_handler().

char calc_context::operator

Current operator (+,-,*,/) to use when = is pressed.

Definition at line 143 of file app_calc.c.

Referenced by calc_frame_command_handler().

int32_t calc_context::stack_value

Current value in stack.

Definition at line 139 of file app_calc.c.

Referenced by calc_frame_command_handler().

char calc_context::text[MAX_DIGITS]

Buffer for converting text to show on calc display.

Definition at line 137 of file app_calc.c.

Referenced by calc_update_display().

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The documentation for this struct was generated from the following file:

• apps/display-demo/app_calc.c