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comparison src/ui/atb/ATBDisplay.c @ 3:67bfe9f274f6

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src/ui: import of src/ui3 from Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 16 Oct 2020 06:33:10 +0000
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2:3a14ee9a9843 3:67bfe9f274f6
1 /*******************************************************************************
2
3 CONDAT (UK)
4
5 ********************************************************************************
6
7 This software product is the property of Condat (UK) Ltd and may not be
8 disclosed to any third party without the express permission of the owner.
9
10 ********************************************************************************
11
12 $Project name: Basic MMI
13 $Project code: BMI (6349)
14 $Module: ATB
15 $File: ATBDisplay.c
16 $Revision: 1.0
17
18 $Author: SH - Condat(UK)
19 $Date: 11/11/02
20
21 ********************************************************************************
22
23 Description: ATB/Display interface.
24
25
26
27 ********************************************************************************
28
29 $History: ATBDisplay.c
30
31 15/03/02 Original Condat(UK) BMI version.
32 $End
33
34 *******************************************************************************/
35
36 #ifndef ATB_DISPLAY_C
37 #define ATB_DISPLAY_C
38
39 #if defined (NEW_FRAME)
40
41 #include "typedefs.h"
42 #include "vsi.h"
43 #include "pei.h"
44 #include "custom.h"
45 #include "gsm.h"
46
47 #else
48
49 #include "STDDEFS.H"
50 #include "custom.h"
51 #include "gsm.h"
52 #include "vsi.h"
53
54 #endif
55
56 #include <stdio.h>
57 #include <string.h>
58
59 #include "mfw_mfw.h"
60 #include "mfw_sys.h"
61 #include "gdi.h"
62 #include "font_bitmaps.h"
63 #include "dspl.h"
64 #include "ATBCommon.h"
65 #include "ATBDisplay.h"
66
67 /*
68 +--------------------------------------------------------------------+
69 | LOCAL FUNCTION PROTOTYPES |
70 +--------------------------------------------------------------------+
71 */
72
73 extern t_font_bitmap* get_bitmap(USHORT selected_code);
74 t_font_bitmap *ATB_display_GetBitmap(USHORT character);
75 void ATB_display_ShowBitmap(int x,int y,t_font_bitmap* current_bitmap,T_DS_TEXTFORMAT *format,
76 int xstart, int ystart, int width, int height);
77
78 /*
79 +--------------------------------------------------------------------+
80 | PROJECT : MMI-Framework (8417) MODULE : ATBDisplay |
81 | STATE : code ROUTINE : ATB_display_Cursor |
82 +--------------------------------------------------------------------+
83
84 PURPOSE : set cursor at specified position
85
86 */
87
88 void ATB_display_Cursor (T_ATB_TEXT *text, USHORT textIndex, UBYTE type, SHORT x, SHORT y, USHORT width, USHORT height)
89 {
90 T_ATB_TEXT charTxt;
91 UBYTE charData[4];
92 USHORT character;
93 T_DS_TEXTFORMAT format;
94
95 switch(type)
96 {
97 // bar cursor
98 case DS_CURSOR_BAR:
99 dspl_DrawLine(x,y,x,y+height-1);
100 break;
101
102 // underscore cursor
103 case DS_CURSOR_UNDERLINE:
104 dspl_DrawLine(x,y+height-1, x+width-1, y+height-1);
105 break;
106
107 // block cursor
108 case DS_CURSOR_BLOCK:
109 charTxt.data = charData;
110 charTxt.dcs = text->dcs;
111 charTxt.len = 1;
112
113 character = ATB_string_GetChar(text, textIndex);
114 if (!ATB_char_IsVisible(character))
115 character = UNICODE_SPACE;
116
117 ATB_string_SetChar(&charTxt, 0, character);
118 ATB_string_SetChar(&charTxt, 1, UNICODE_EOLN);
119
120 ATB_display_SetFormatAttr(&format, 0, TRUE);
121 ATB_display_Text(x,y, &format, &charTxt);
122 break;
123 }
124 return;
125 }
126
127
128 /*
129 +--------------------------------------------------------------------+
130 | PROJECT : MMI-Framework (8417) MODULE : ATBDisplay.c |
131 | STATE : code ROUTINE : ATB_display_Text |
132 +--------------------------------------------------------------------+
133
134 PURPOSE : draw 'length' characters of string 'text' at x,y in format 'format'.
135
136 */
137
138 void ATB_display_Text(SHORT x, SHORT y, T_DS_TEXTFORMAT *format, T_ATB_TEXT *text)
139 {
140
141 USHORT charStore;
142 UBYTE attr;
143
144 attr = 0;
145
146 if (text->dcs==ATB_DCS_UNICODE)
147 attr |= DSPL_TXTATTR_UNICODE;
148 if (format->highlight)
149 attr |= DSPL_TXTATTR_INVERS;
150
151 charStore = ATB_string_GetChar(text, text->len);
152 ATB_string_SetChar(text, text->len, UNICODE_EOLN);
153 dspl_TextOut((USHORT)x, (USHORT)y, attr, (char *)text->data);
154 ATB_string_SetChar(text, text->len, charStore);
155
156 return;
157 }
158
159
160 /*
161 +--------------------------------------------------------------------+
162 | PROJECT : MMI-Framework (8417) MODULE : ATBDisplay.c |
163 | STATE : code ROUTINE : ATB_display_GetCharWidth |
164 +--------------------------------------------------------------------+
165
166 PURPOSE : get height of character in current font
167
168 */
169
170 int ATB_display_GetCharWidth (USHORT character, T_DS_TEXTFORMAT *format)
171 {
172 t_font_bitmap *current_bitmap;
173 int width;
174
175 if (character==UNICODE_WIDEST_CHAR)
176 {
177 width = ATB_display_GetMaxCharWidth(format);
178 }
179 else
180 {
181 current_bitmap = ATB_display_GetBitmap(character);
182 if (!current_bitmap)
183 {
184 current_bitmap = ATB_display_GetBitmap(UNICODE_SPACE);
185 }
186 width = (int)current_bitmap->width;
187 }
188
189
190 //TRACE_EVENT_P2("Width of char %d is %d", character, width);
191
192 return width;
193 }
194
195
196 /*
197 +--------------------------------------------------------------------+
198 | PROJECT : MMI-Framework (8417) MODULE : ATBDisplay.c |
199 | STATE : code ROUTINE : ATB_display_GetMaxCharWidth |
200 +--------------------------------------------------------------------+
201
202 PURPOSE : Get maximum width of a character in the current font and style
203
204 */
205
206 int ATB_display_GetMaxCharWidth (T_DS_TEXTFORMAT *format)
207 {
208 int width;
209
210 width = 16;
211
212 return width;
213 }
214
215 /*
216 +--------------------------------------------------------------------+
217 | PROJECT : MMI-Framework (8417) MODULE : ATBDisplay |
218 | STATE : code ROUTINE : ATB_display_GetCharHeight |
219 +--------------------------------------------------------------------+
220
221 PURPOSE : get height of character in current font
222
223 */
224
225 int ATB_display_GetCharHeight (USHORT character, T_DS_TEXTFORMAT *format)
226 {
227
228 /*t_font_bitmap *current_bitmap;
229 int height;
230
231 current_bitmap = ATB_display_GetBitmap(character);
232 if (!current_bitmap)
233 {
234 current_bitmap = ATB_display_GetBitmap(UNICODE_SPACE);
235 }
236 height = (int)current_bitmap->height;
237
238 return height;*/
239
240 return (int)dspl_GetFontHeight();
241 }
242
243
244 /*
245 +--------------------------------------------------------------------+
246 | PROJECT : MMI-Framework (8417) MODULE : ATB Display |
247 | STATE : code ROUTINE : |
248 +--------------------------------------------------------------------+
249
250 PURPOSE : Return width of string in pixels. NOTE: End of line characters
251 will be included in the width - same width as a space - if the "length"
252 parameter includes them.
253
254 text - the text whose width is to be calculated
255 length - the length of text to be considered
256 format - pointer to the format attributes at the start of the string
257 */
258
259 USHORT ATB_display_StringWidth(T_ATB_TEXT *text, T_DS_TEXTFORMAT *format)
260 {
261 USHORT width;
262 USHORT textIndex;
263 USHORT character;
264 T_DS_TEXTFORMAT tempFormat; // Temporary storage for format attributes
265 BOOL endFound;
266
267 #ifdef TRACE_ATBEDITOR
268 TRACE_FUNCTION("ATB Editor: ATB_display_StringWidth()");
269 #endif
270
271 width = 0;
272 textIndex = 0;
273 endFound = FALSE;
274 ATB_display_CopyFormat(&tempFormat, format); // Make a copy of the original format
275
276 while (!endFound)
277 {
278 character = ATB_string_GetChar(text, textIndex); // Get the next character
279 width += ATB_display_GetCharWidth(character, &tempFormat);
280 textIndex++;
281
282 if(!(textIndex<text->len))
283 endFound = TRUE;
284 }
285
286 return (width);
287 }
288
289
290 /*
291 +--------------------------------------------------------------------+
292 | PROJECT : MMI-Framework (8417) MODULE : ATB Display |
293 | STATE : code ROUTINE : |
294 +--------------------------------------------------------------------+
295
296 PURPOSE : Return height of tallest character in next 'length' characters of string
297 */
298
299 USHORT ATB_display_StringHeight(T_ATB_TEXT *text, T_DS_TEXTFORMAT *format)
300 {
301 USHORT height;
302 USHORT currentHeight;
303 USHORT textIndex;
304 USHORT character;
305 BOOL endFound;
306 T_DS_TEXTFORMAT tempFormat; // Temporary storage for format attributes
307
308 TRACE_FUNCTION("ATB_display_StringHeight()");
309
310 height = 0;
311 textIndex = 0;
312 endFound = FALSE;
313 ATB_display_CopyFormat(&tempFormat, format); // Store the original format
314
315 while (!endFound)
316 {
317 character = ATB_string_GetChar(text, textIndex); // Get the next character
318 currentHeight = ATB_display_GetCharHeight(character, &tempFormat);
319 if (currentHeight>height)
320 height = currentHeight;
321 textIndex++;
322
323 if(!(textIndex<text->len))
324 endFound = TRUE;
325 }
326
327 return (height);
328 }
329
330
331
332 /*
333 +--------------------------------------------------------------------+
334 | PROJECT : MMI-Framework (8417) MODULE : ATBDisplay.c |
335 | STATE : code ROUTINE : ATB_display_SetFormatAttr |
336 +--------------------------------------------------------------------+
337
338 PURPOSE : Sets format attributes and highlighting
339 attr - the rich text formatting
340 highlight - TRUE if highlighting is to be switched on for the whole string
341 */
342
343 void ATB_display_SetFormatAttr(T_DS_TEXTFORMAT *format, USHORT attr, BOOL highlight)
344 {
345 format->attr = attr;
346 format->highlight = highlight;
347
348 return;
349 }
350
351
352 /*
353 +--------------------------------------------------------------------+
354 | PROJECT : MMI-Framework (8417) MODULE : ATBDisplay.c |
355 | STATE : code ROUTINE : ATB_display_ClearFormat |
356 +--------------------------------------------------------------------+
357
358 PURPOSE : Clears the formatting attributes
359 format - pointer to the current formatting attributes
360 */
361
362 void ATB_display_ClearFormat(T_DS_TEXTFORMAT *format)
363 {
364 format->attr = 0;
365 format->highlight = FALSE;
366 return;
367 }
368
369 /*
370 +--------------------------------------------------------------------+
371 | PROJECT : MMI-Framework (8417) MODULE : ATBDisplay.c |
372 | STATE : code ROUTINE : ATB_display_ClearFormat |
373 +--------------------------------------------------------------------+
374
375 PURPOSE : Duplicates format attributes
376 dest - pointer to the destination format structure (caller allocated)
377 src - pointer to the source format structure (caller allocated)
378 */
379
380 void ATB_display_CopyFormat(T_DS_TEXTFORMAT *dest, T_DS_TEXTFORMAT *src)
381 {
382 memcpy((void *)dest, (void *)src, sizeof(T_DS_TEXTFORMAT));
383 return;
384 }
385
386
387 /*
388 +------------------------------------------------------------------------+
389 | PROJECT : MMI-Framework (8417) MODULE : ATBDisplay.c |
390 | STATE : code ROUTINE : ATB_display_GetBitmap |
391 +------------------------------------------------------------------------+
392
393 PURPOSE : Returns address of bitmap based on unicode number (our coding scheme)
394 */
395
396 t_font_bitmap *ATB_display_GetBitmap(USHORT character)
397 {
398 USHORT current_code;
399
400 current_code = (USHORT)(character<<8)+(USHORT)(character>>8); // Swap bytes round for correct unicode
401 return (t_font_bitmap *)get_bitmap(current_code);
402 }
403
404 #endif