1 /* This is a small demo of the high-performance GUIX graphics framework. */
2
3 #include <stdio.h>
4 #include "tx_api.h"
5 #include "gx_api.h"
6 #include "all_widgets_5_4_1_resources.h"
7 #include "all_widgets_5_4_1_specifications.h"
8
9 #define ID_SCROLL_WHEEL_DAY 0xf0
10 #define ID_SCROLL_WHEEL_MONTH 0xf1
11 #define ID_SCROLL_WHEEL_YEAR 0xf2
12
13 extern GX_WINDOW *pScrollWheelScreen;
14 extern int scroll_wheel_selected;
15 extern TX_SEMAPHORE *selected_semaphore;
16
17 VOID day_count_update();
18 VOID animation_speed_set();
19
20 /* Define day wheel callback function. */
day_wheel_value_format(GX_NUMERIC_SCROLL_WHEEL * wheel,INT row)21 GX_CONST GX_CHAR *day_wheel_value_format(GX_NUMERIC_SCROLL_WHEEL *wheel, INT row)
22 {
23 sprintf(wheel->gx_numeric_scroll_wheel_string_buffer, "%02d", row + 1);
24 return wheel->gx_numeric_scroll_wheel_string_buffer;
25 }
26
string_to_int(const char * string)27 int string_to_int(const char *string)
28 {
29 int value = 0;
30
31 while (string[0])
32 {
33 value = value * 10 + string[0] - '0';
34 string++;
35 }
36
37 return value;
38 }
39
select_day()40 VOID select_day()
41 {
42 int selected_day;
43 GX_SINGLE_LINE_TEXT_INPUT *input;
44 GX_NUMERIC_SCROLL_WHEEL *day_wheel;
45
46 gx_widget_find(pScrollWheelScreen, ID_DAY_WHEEL, GX_SEARCH_DEPTH_INFINITE, &day_wheel);
47
48 gx_widget_find(pScrollWheelScreen, ID_DAY_INPUT, GX_SEARCH_DEPTH_INFINITE, &input);
49
50 if (input && day_wheel)
51 {
52 selected_day = string_to_int(input->gx_single_line_text_input_buffer);
53 gx_scroll_wheel_selected_set(day_wheel, selected_day - 1);
54 }
55 }
56
57 /* Override default event processing of scroll wheel screen. */
scroll_wheel_screen_event_handler(GX_WINDOW * window,GX_EVENT * event_ptr)58 UINT scroll_wheel_screen_event_handler(GX_WINDOW *window, GX_EVENT *event_ptr)
59 {
60
61 switch (event_ptr->gx_event_type)
62 {
63 case GX_EVENT_SHOW:
64 pScrollWheelScreen = window;
65 gx_window_event_process(window, event_ptr);
66 animation_speed_set();
67 break;
68
69 case GX_SIGNAL(ID_DAY_WHEEL, GX_EVENT_LIST_SELECT):
70 if(selected_semaphore)
71 {
72 tx_semaphore_put(selected_semaphore);
73 }
74 break;
75
76 case GX_SIGNAL(ID_MONTH_WHEEL, GX_EVENT_LIST_SELECT):
77 if(selected_semaphore)
78 {
79 tx_semaphore_put(selected_semaphore);
80 }
81 break;
82
83 case GX_SIGNAL(ID_YEAR_WHEEL, GX_EVENT_LIST_SELECT):
84 day_count_update();
85 break;
86
87 case GX_SIGNAL(ID_DAY_SELECT, GX_EVENT_CLICKED):
88 select_day();
89 break;
90
91 default:
92 return gx_window_event_process(window, event_ptr);
93 }
94
95 return 0;
96 }
97
animation_speed_set()98 VOID animation_speed_set()
99 {
100 GX_NUMERIC_SCROLL_WHEEL *day_wheel;
101 GX_NUMERIC_SCROLL_WHEEL *year_wheel;
102 GX_STRING_SCROLL_WHEEL *month_wheel;
103
104 gx_widget_find(pScrollWheelScreen, ID_DAY_WHEEL, GX_SEARCH_DEPTH_INFINITE, &day_wheel);
105 gx_widget_find(pScrollWheelScreen, ID_YEAR_WHEEL, GX_SEARCH_DEPTH_INFINITE, &year_wheel);
106 gx_widget_find(pScrollWheelScreen, ID_MONTH_WHEEL, GX_SEARCH_DEPTH_INFINITE, &month_wheel);
107
108 gx_scroll_wheel_speed_set(day_wheel, GX_FIXED_VAL_MAKE(1), 100, 10, 2);
109 gx_scroll_wheel_speed_set(month_wheel, (GX_FIXED_VAL_MAKE(1) / 2), 100, 10, 2);
110 gx_scroll_wheel_speed_set(year_wheel, GX_FIXED_VAL_MAKE(2), 100, 10, 2);
111 }
112
day_count_update()113 VOID day_count_update()
114 {
115 int year;
116 int month;
117 int day_count;
118 int new_day_count;
119
120 GX_NUMERIC_SCROLL_WHEEL *day_wheel;
121 GX_NUMERIC_SCROLL_WHEEL *year_wheel;
122 GX_STRING_SCROLL_WHEEL *month_wheel;
123
124 gx_widget_find(pScrollWheelScreen, ID_DAY_WHEEL, GX_SEARCH_DEPTH_INFINITE, &day_wheel);
125 gx_widget_find(pScrollWheelScreen, ID_YEAR_WHEEL, GX_SEARCH_DEPTH_INFINITE, &year_wheel);
126 gx_widget_find(pScrollWheelScreen, ID_MONTH_WHEEL, GX_SEARCH_DEPTH_INFINITE, &month_wheel);
127
128 year = year_wheel->gx_numeric_scroll_wheel_start_val;
129 year += year_wheel->gx_scroll_wheel_selected_row;
130
131 month = month_wheel->gx_scroll_wheel_selected_row + 1;
132 day_count = GX_ABS(day_wheel->gx_numeric_scroll_wheel_end_val - day_wheel->gx_numeric_scroll_wheel_start_val) + 1;
133
134 switch (month)
135 {
136 case 1:
137 case 3:
138 case 5:
139 case 7:
140 case 8:
141 case 10:
142 case 12:
143 new_day_count = 31;
144 break;
145
146 case 2:
147 if ((!(year % 400)) ||
148 (!(year % 4) && (year % 400)))
149 {
150 new_day_count = 29;
151 }
152 else
153 {
154 new_day_count = 28;
155 }
156 break;
157
158 default:
159 new_day_count = 30;
160 break;
161 }
162
163 if (new_day_count != day_count)
164 {
165 gx_numeric_scroll_wheel_range_set(day_wheel, 1, new_day_count);
166 }
167 }
168
