1 /* This is a small demo of the high-performance GUIX graphics framework. */
2
3 #include <stdio.h>
4 #include <string.h>
5 #include "gx_api.h"
6
7 #include "lines_8bpp_resources.h"
8 #include "lines_8bpp_specifications.h"
9
10 #define DROP_LIST_VISIBLE_ROWS 5
11 #define LINE_LENGTH 100
12
13 MAIN_WINDOW_CONTROL_BLOCK *pMainWin;
14 GX_WINDOW *pLineWin;
15 int line_angle = 0;
16 int line_width = 1;
17 GX_BOOL anti_aliased = GX_FALSE;
18 GX_BOOL rounded = GX_FALSE;
19 GX_RESOURCE_ID line_color = GX_COLOR_ID_CANVAS;
20 int line_x1;
21 int line_x2;
22 int line_y1;
23 int line_y2;
24 typedef struct COLOR_LIST_STRUCT{
25 GX_CHAR color[256];
26 GX_RESOURCE_ID color_id;
27 }COLOR_LIST;
28
29 COLOR_LIST color_list[]={
30 {"BLACK", GX_COLOR_ID_CANVAS},
31 {"WHITE", GX_COLOR_ID_SELECTED_TEXT},
32 {"ORANGE", GX_COLOR_ID_SCROLL_BUTTON},
33 {"YELLOW", GX_COLOR_ID_BTN_LOWER},
34 {"LIGHTGRAY", GX_COLOR_ID_TEXT_INPUT_FILL}
35 };
36
37 GX_PROMPT drop_list_widgets[DROP_LIST_VISIBLE_ROWS + 1];
38 GX_SCROLLBAR list_scroll;
39
40 /* Define the ThreadX demo thread control block and stack. */
41
42 TX_THREAD demo_thread;
43 UCHAR demo_thread_stack[4096];
44
45 GX_WINDOW_ROOT *root;
46
47 /* Define prototypes. */
48 VOID PopulateDropList();
49 VOID demo_thread_entry(ULONG thread_input);
50 extern UINT win32_graphics_driver_setup_8bit_palette(GX_DISPLAY *display);
51
main(int argc,char ** argv)52 int main(int argc, char ** argv)
53 {
54 tx_kernel_enter();
55 return(0);
56 }
57
58
tx_application_define(void * first_unused_memory)59 VOID tx_application_define(void *first_unused_memory)
60 {
61
62 /* Create the main demo thread. */
63 tx_thread_create(&demo_thread, "GUIX Demo Thread", demo_thread_entry,
64 0, demo_thread_stack, sizeof(demo_thread_stack),
65 1, 1, TX_NO_TIME_SLICE, TX_AUTO_START);
66 }
67
68
demo_thread_entry(ULONG thread_input)69 VOID demo_thread_entry(ULONG thread_input)
70 {
71 /* Initialize GUIX. */
72 gx_system_initialize();
73
74
75 gx_studio_display_configure(DISPLAY_1, win32_graphics_driver_setup_8bit_palette,
76 LANGUAGE_ENGLISH, DISPLAY_1_DEFAULT_THEME, &root);
77
78 /* create the main screen */
79 gx_studio_named_widget_create("main_window", (GX_WIDGET *) root, (GX_WIDGET **) &pMainWin);
80 PopulateDropList();
81
82 /* get a pointer to line window */
83 pLineWin = &pMainWin->main_window_line_window;
84
85 /* Show the root window to make it and patients screen visible. */
86 gx_widget_show(root);
87
88 /* let GUIX run */
89 gx_system_start();
90 }
91
calculate_line_ends(VOID)92 VOID calculate_line_ends(VOID)
93 {
94 INT scaled_angle;
95 INT x_dist;
96 INT y_dist;
97
98 INT x_center = (pLineWin->gx_widget_size.gx_rectangle_left + pLineWin->gx_widget_size.gx_rectangle_right) / 2;
99 INT y_center = (pLineWin->gx_widget_size.gx_rectangle_top + pLineWin->gx_widget_size.gx_rectangle_bottom) / 2;
100
101 scaled_angle = GX_FIXED_VAL_MAKE(line_angle);
102 x_dist = GX_FIXED_VAL_TO_INT(gx_utility_math_cos(scaled_angle) * LINE_LENGTH);
103 y_dist = GX_FIXED_VAL_TO_INT((gx_utility_math_sin(scaled_angle) * LINE_LENGTH));
104
105 line_x1 = x_center - x_dist;
106 line_x2 = x_center + x_dist;
107 line_y1 = y_center - y_dist;
108 line_y2 = y_center + y_dist;
109 }
110
update_width_prompt(VOID)111 VOID update_width_prompt(VOID)
112 {
113 GX_PROMPT *pp;
114 static GX_CHAR width_val[10];
115 GX_STRING str;
116
117 gx_widget_find(pMainWin, ID_WIDTH_DISPLAY, 0, &pp);
118
119 if (pp)
120 {
121 gx_utility_ltoa(line_width, width_val, 10);
122 str.gx_string_ptr = width_val;
123 str.gx_string_length = strnlen(width_val, sizeof(width_val));
124 gx_prompt_text_set_ext(pp, &str);
125 }
126 }
127
update_angle_prompt(VOID)128 VOID update_angle_prompt(VOID)
129 {
130 GX_PROMPT *pp;
131 static GX_CHAR angle_val[10];
132 GX_STRING str;
133
134 gx_widget_find(pMainWin, ID_ANGLE_DISPLAY, 0, &pp);
135
136 if (pp)
137 {
138 gx_utility_ltoa(line_angle, angle_val, 10);
139 str.gx_string_ptr = angle_val;
140 str.gx_string_length = strnlen(angle_val, sizeof(angle_val));
141 gx_prompt_text_set_ext(pp, &str);
142 }
143 }
144
main_event_handler(GX_WINDOW * window,GX_EVENT * myevent)145 UINT main_event_handler(GX_WINDOW *window, GX_EVENT *myevent)
146 {
147 UINT status = 0;
148 GX_VERTICAL_LIST *list;
149 GX_DROP_LIST *drop;
150 GX_PROMPT *prompt;
151
152 switch(myevent -> gx_event_type)
153 {
154 case GX_SIGNAL(ID_LINE_WIDTH, GX_EVENT_SLIDER_VALUE):
155 line_width = myevent ->gx_event_payload.gx_event_longdata;
156 update_width_prompt();
157 gx_system_dirty_mark(pLineWin);
158 break;
159
160 case GX_SIGNAL(ID_LINE_ANGLE, GX_EVENT_SLIDER_VALUE):
161 line_angle = myevent ->gx_event_payload.gx_event_longdata;
162 update_angle_prompt();
163 calculate_line_ends();
164 gx_system_dirty_mark(pLineWin);
165 break;
166
167 case GX_SIGNAL(ID_ANTI_ALIASED, GX_EVENT_TOGGLE_ON):
168 anti_aliased = GX_TRUE;
169 gx_system_dirty_mark(pLineWin);
170 break;
171
172 case GX_SIGNAL(ID_ANTI_ALIASED, GX_EVENT_TOGGLE_OFF):
173 anti_aliased = GX_FALSE;
174 gx_system_dirty_mark(pLineWin);
175 break;
176
177 case GX_SIGNAL(ID_ROUNDED, GX_EVENT_TOGGLE_ON):
178 rounded = GX_TRUE;
179 gx_system_dirty_mark(pLineWin);
180 break;
181
182 case GX_SIGNAL(ID_ROUNDED, GX_EVENT_TOGGLE_OFF):
183 rounded = GX_FALSE;
184 gx_system_dirty_mark(pLineWin);
185 break;
186
187 case GX_SIGNAL(ID_COLOR_LIST, GX_EVENT_LIST_SELECT):
188 drop = &pMainWin->main_window_color_list;
189 gx_drop_list_popup_get(drop, &list);
190
191 gx_vertical_list_selected_widget_get(list, (GX_WIDGET **)&prompt);
192
193 if (prompt)
194 {
195 line_color = prompt->gx_prompt_normal_text_color;
196 gx_system_dirty_mark(pLineWin);
197 }
198 break;
199
200 default:
201 status = gx_window_event_process(window, myevent);
202 break;
203 }
204 return status;
205 }
206
207
208
line_win_draw(GX_WINDOW * window)209 VOID line_win_draw(GX_WINDOW *window)
210 {
211 ULONG brush_style = 0;
212
213 gx_window_draw((GX_WINDOW*) window);
214
215 if (anti_aliased)
216 {
217 brush_style |= GX_BRUSH_ALIAS;
218 }
219 if (rounded)
220 {
221 brush_style |= GX_BRUSH_ROUND;
222 }
223 gx_context_brush_define(line_color, window ->gx_widget_normal_fill_color, brush_style);
224 gx_context_brush_width_set(line_width);
225
226 calculate_line_ends();
227 gx_canvas_line_draw(line_x1, line_y1, line_x2, line_y2);
228 }
229
drop_list_color_create(GX_VERTICAL_LIST * list,GX_WIDGET * widget,INT index)230 VOID drop_list_color_create(GX_VERTICAL_LIST *list, GX_WIDGET *widget, INT index)
231 {
232 GX_BOOL created;
233 GX_RECTANGLE size;
234 GX_STRING str;
235
236 GX_PROMPT *prompt = (GX_PROMPT *)widget;
237
238 gx_widget_created_test(widget, &created);
239
240 if(!created)
241 {
242 gx_utility_rectangle_define(&size, 0, 0, 100, 30);
243 gx_prompt_create(prompt, GX_NULL, list, 0, GX_STYLE_ENABLED|GX_STYLE_TEXT_LEFT|GX_STYLE_BORDER_NONE, 0, &size);
244 gx_prompt_text_color_set(prompt, color_list[index].color_id, color_list[index].color_id, color_list[index].color_id);
245 }
246
247 str.gx_string_ptr = color_list[index].color;
248 str.gx_string_length = strnlen(color_list[index].color, sizeof(color_list[index].color));
249 gx_prompt_text_set_ext(prompt, &str);
250 }
251
PopulateDropList(void)252 VOID PopulateDropList(void)
253 {
254 int index;
255 GX_VERTICAL_LIST *list;
256
257 GX_DROP_LIST *drop = &pMainWin->main_window_color_list;
258 gx_drop_list_popup_get(drop, &list);
259
260 for(index = 0; index < DROP_LIST_VISIBLE_ROWS; index++)
261 {
262 drop_list_color_create(list, (GX_WIDGET *)&drop_list_widgets[index], index);
263 }
264
265 gx_vertical_scrollbar_create(&list_scroll, "list_scroll", list, GX_NULL,
266 GX_SCROLLBAR_VERTICAL | GX_SCROLLBAR_RELATIVE_THUMB | GX_SCROLLBAR_END_BUTTONS);
267 }
268
