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_synergy_resources.h"
6 #include "all_widgets_synergy_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,GX_STRING * string)20 UINT day_wheel_value_format(GX_NUMERIC_SCROLL_WHEEL *wheel, INT row, GX_STRING *string)
21 {
22 sprintf(wheel->gx_numeric_scroll_wheel_string_buffer, "%02d", row + 1);
23 string->gx_string_ptr = wheel->gx_numeric_scroll_wheel_string_buffer;
24 string->gx_string_length = strnlen(string->gx_string_ptr, GX_NUMERIC_SCROLL_WHEEL_STRING_BUFFER_SIZE);
25
26 return GX_SUCCESS;
27 }
28
29 int string_to_int(const char *string);
string_to_int(const char * string)30 int string_to_int(const char *string)
31 {
32 int value = 0;
33
34 while (string[0])
35 {
36 value = value * 10 + string[0] - '0';
37 string++;
38 }
39
40 return value;
41 }
42
43 VOID select_day();
select_day()44 VOID select_day()
45 {
46 int selected_day;
47 GX_SINGLE_LINE_TEXT_INPUT *input;
48 GX_NUMERIC_SCROLL_WHEEL *day_wheel;
49
50 gx_widget_find(pScrollWheelScreen, ID_DAY_WHEEL, GX_SEARCH_DEPTH_INFINITE, &day_wheel);
51
52 gx_widget_find(pScrollWheelScreen, ID_DAY_INPUT, GX_SEARCH_DEPTH_INFINITE, &input);
53
54 if (input && day_wheel)
55 {
56 selected_day = string_to_int(input->gx_single_line_text_input_buffer);
57 gx_scroll_wheel_selected_set(day_wheel, selected_day - 1);
58 }
59 }
60
61 /* Override default event processing of scroll wheel screen. */
scroll_wheel_screen_event_handler(GX_WINDOW * window,GX_EVENT * event_ptr)62 UINT scroll_wheel_screen_event_handler(GX_WINDOW *window, GX_EVENT *event_ptr)
63 {
64
65 switch (event_ptr->gx_event_type)
66 {
67 case GX_EVENT_SHOW:
68 pScrollWheelScreen = window;
69 gx_window_event_process(window, event_ptr);
70 animation_speed_set();
71 break;
72
73 case GX_SIGNAL(ID_DAY_WHEEL, GX_EVENT_LIST_SELECT):
74 if(selected_semaphore)
75 {
76 tx_semaphore_put(selected_semaphore);
77 }
78 break;
79
80 case GX_SIGNAL(ID_MONTH_WHEEL, GX_EVENT_LIST_SELECT):
81 if(selected_semaphore)
82 {
83 tx_semaphore_put(selected_semaphore);
84 }
85 break;
86
87 case GX_SIGNAL(ID_YEAR_WHEEL, GX_EVENT_LIST_SELECT):
88 day_count_update();
89 break;
90
91 case GX_SIGNAL(ID_DAY_SELECT, GX_EVENT_CLICKED):
92 select_day();
93 break;
94
95 default:
96 return gx_window_event_process(window, event_ptr);
97 }
98
99 return 0;
100 }
101
animation_speed_set()102 VOID animation_speed_set()
103 {
104 GX_NUMERIC_SCROLL_WHEEL *day_wheel;
105 GX_NUMERIC_SCROLL_WHEEL *year_wheel;
106 GX_STRING_SCROLL_WHEEL *month_wheel;
107
108 gx_widget_find(pScrollWheelScreen, ID_DAY_WHEEL, GX_SEARCH_DEPTH_INFINITE, &day_wheel);
109 gx_widget_find(pScrollWheelScreen, ID_YEAR_WHEEL, GX_SEARCH_DEPTH_INFINITE, &year_wheel);
110 gx_widget_find(pScrollWheelScreen, ID_MONTH_WHEEL, GX_SEARCH_DEPTH_INFINITE, &month_wheel);
111
112 gx_scroll_wheel_speed_set(day_wheel, GX_FIXED_VAL_MAKE(1), 100, 10, 2);
113 gx_scroll_wheel_speed_set(month_wheel, (GX_FIXED_VAL_MAKE(1) / 2), 100, 10, 2);
114 gx_scroll_wheel_speed_set(year_wheel, GX_FIXED_VAL_MAKE(2), 100, 10, 2);
115 }
116
day_count_update()117 VOID day_count_update()
118 {
119 int year;
120 int month;
121 int day_count;
122 int new_day_count;
123
124 GX_NUMERIC_SCROLL_WHEEL *day_wheel;
125 GX_NUMERIC_SCROLL_WHEEL *year_wheel;
126 GX_STRING_SCROLL_WHEEL *month_wheel;
127
128 gx_widget_find(pScrollWheelScreen, ID_DAY_WHEEL, GX_SEARCH_DEPTH_INFINITE, &day_wheel);
129 gx_widget_find(pScrollWheelScreen, ID_YEAR_WHEEL, GX_SEARCH_DEPTH_INFINITE, &year_wheel);
130 gx_widget_find(pScrollWheelScreen, ID_MONTH_WHEEL, GX_SEARCH_DEPTH_INFINITE, &month_wheel);
131
132 year = year_wheel->gx_numeric_scroll_wheel_start_val;
133 year += year_wheel->gx_scroll_wheel_selected_row;
134
135 month = month_wheel->gx_scroll_wheel_selected_row + 1;
136 day_count = GX_ABS(day_wheel->gx_numeric_scroll_wheel_end_val - day_wheel->gx_numeric_scroll_wheel_start_val) + 1;
137
138 switch (month)
139 {
140 case 1:
141 case 3:
142 case 5:
143 case 7:
144 case 8:
145 case 10:
146 case 12:
147 new_day_count = 31;
148 break;
149
150 case 2:
151 if ((!(year % 400)) ||
152 (!(year % 4) && (year % 400)))
153 {
154 new_day_count = 29;
155 }
156 else
157 {
158 new_day_count = 28;
159 }
160 break;
161
162 default:
163 new_day_count = 30;
164 break;
165 }
166
167 if (new_day_count != day_count)
168 {
169 gx_numeric_scroll_wheel_range_set(day_wheel, 1, new_day_count);
170 }
171 }
172
