1 /* This is a small demo of the high-performance GUIX graphics framework. */
2
3 #include <stdio.h>
4 #include "gx_api.h"
5 #include "all_widgets_5_4_2_resources.h"
6 #include "all_widgets_5_4_2_specifications.h"
7
8 #define ID_SCROLL_WHEEL_DAY 0xf0
9 #define ID_SCROLL_WHEEL_MONTH 0xf1
10 #define ID_SCROLL_WHEEL_YEAR 0xf2
11
12 extern GX_WINDOW *pScrollWheelScreen;
13 extern int scroll_wheel_selected;
14 extern TX_SEMAPHORE *selected_semaphore;
15
16 VOID day_count_update();
17 VOID animation_speed_set();
18
19 /* Define day wheel callback function. */
day_wheel_value_format(GX_NUMERIC_SCROLL_WHEEL * wheel,INT row)20 GX_CONST GX_CHAR *day_wheel_value_format(GX_NUMERIC_SCROLL_WHEEL *wheel, INT row)
21 {
22 sprintf_s(wheel->gx_numeric_scroll_wheel_string_buffer, GX_NUMERIC_SCROLL_WHEEL_STRING_BUFFER_SIZE, "%02d", row + 1);
23 return wheel->gx_numeric_scroll_wheel_string_buffer;
24 }
25
string_to_int(const char * string)26 int string_to_int(const char *string)
27 {
28 int value = 0;
29
30 while (string[0])
31 {
32 value = value * 10 + string[0] - '0';
33 string++;
34 }
35
36 return value;
37 }
38
select_day()39 VOID select_day()
40 {
41 int selected_day;
42 GX_SINGLE_LINE_TEXT_INPUT *input;
43 GX_NUMERIC_SCROLL_WHEEL *day_wheel;
44
45 gx_widget_find(pScrollWheelScreen, ID_DAY_WHEEL, GX_SEARCH_DEPTH_INFINITE, &day_wheel);
46
47 gx_widget_find(pScrollWheelScreen, ID_DAY_INPUT, GX_SEARCH_DEPTH_INFINITE, &input);
48
49 if (input && day_wheel)
50 {
51 selected_day = string_to_int(input->gx_single_line_text_input_buffer);
52 gx_scroll_wheel_selected_set(day_wheel, selected_day - 1);
53 }
54 }
55
56 /* Override default event processing of scroll wheel screen. */
scroll_wheel_screen_event_handler(GX_WINDOW * window,GX_EVENT * event_ptr)57 UINT scroll_wheel_screen_event_handler(GX_WINDOW *window, GX_EVENT *event_ptr)
58 {
59
60 switch (event_ptr->gx_event_type)
61 {
62 case GX_EVENT_SHOW:
63 pScrollWheelScreen = window;
64 gx_window_event_process(window, event_ptr);
65 animation_speed_set();
66 break;
67
68 case GX_SIGNAL(ID_DAY_WHEEL, GX_EVENT_LIST_SELECT):
69 if(selected_semaphore)
70 {
71 tx_semaphore_put(selected_semaphore);
72 }
73 break;
74
75 case GX_SIGNAL(ID_MONTH_WHEEL, GX_EVENT_LIST_SELECT):
76 if(selected_semaphore)
77 {
78 tx_semaphore_put(selected_semaphore);
79 }
80 break;
81
82 case GX_SIGNAL(ID_YEAR_WHEEL, GX_EVENT_LIST_SELECT):
83 day_count_update();
84 break;
85
86 case GX_SIGNAL(ID_DAY_SELECT, GX_EVENT_CLICKED):
87 select_day();
88 break;
89
90 default:
91 return gx_window_event_process(window, event_ptr);
92 }
93
94 return 0;
95 }
96
animation_speed_set()97 VOID animation_speed_set()
98 {
99 GX_NUMERIC_SCROLL_WHEEL *day_wheel;
100 GX_NUMERIC_SCROLL_WHEEL *year_wheel;
101 GX_STRING_SCROLL_WHEEL *month_wheel;
102
103 gx_widget_find(pScrollWheelScreen, ID_DAY_WHEEL, GX_SEARCH_DEPTH_INFINITE, &day_wheel);
104 gx_widget_find(pScrollWheelScreen, ID_YEAR_WHEEL, GX_SEARCH_DEPTH_INFINITE, &year_wheel);
105 gx_widget_find(pScrollWheelScreen, ID_MONTH_WHEEL, GX_SEARCH_DEPTH_INFINITE, &month_wheel);
106
107 gx_scroll_wheel_speed_set(day_wheel, GX_FIXED_VAL_MAKE(1), 100, 10, 2);
108 gx_scroll_wheel_speed_set(month_wheel, (GX_FIXED_VAL_MAKE(1) / 2), 100, 10, 2);
109 gx_scroll_wheel_speed_set(year_wheel, GX_FIXED_VAL_MAKE(2), 100, 10, 2);
110 }
111
day_count_update()112 VOID day_count_update()
113 {
114 int year;
115 int month;
116 int day_count;
117 int new_day_count;
118
119 GX_NUMERIC_SCROLL_WHEEL *day_wheel;
120 GX_NUMERIC_SCROLL_WHEEL *year_wheel;
121 GX_STRING_SCROLL_WHEEL *month_wheel;
122
123 gx_widget_find(pScrollWheelScreen, ID_DAY_WHEEL, GX_SEARCH_DEPTH_INFINITE, &day_wheel);
124 gx_widget_find(pScrollWheelScreen, ID_YEAR_WHEEL, GX_SEARCH_DEPTH_INFINITE, &year_wheel);
125 gx_widget_find(pScrollWheelScreen, ID_MONTH_WHEEL, GX_SEARCH_DEPTH_INFINITE, &month_wheel);
126
127 year = year_wheel->gx_numeric_scroll_wheel_start_val;
128 year += year_wheel->gx_scroll_wheel_selected_row;
129
130 month = month_wheel->gx_scroll_wheel_selected_row + 1;
131 day_count = GX_ABS(day_wheel->gx_numeric_scroll_wheel_end_val - day_wheel->gx_numeric_scroll_wheel_start_val) + 1;
132
133 switch (month)
134 {
135 case 1:
136 case 3:
137 case 5:
138 case 7:
139 case 8:
140 case 10:
141 case 12:
142 new_day_count = 31;
143 break;
144
145 case 2:
146 if ((!(year % 400)) ||
147 (!(year % 4) && (year % 400)))
148 {
149 new_day_count = 29;
150 }
151 else
152 {
153 new_day_count = 28;
154 }
155 break;
156
157 default:
158 new_day_count = 30;
159 break;
160 }
161
162 if (new_day_count != day_count)
163 {
164 gx_numeric_scroll_wheel_range_set(day_wheel, 1, new_day_count);
165 }
166 }
167
