Diffstat (limited to 'core/apps/embeddedkonsole/TEScreen.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | core/apps/embeddedkonsole/TEScreen.cpp | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/core/apps/embeddedkonsole/TEScreen.cpp b/core/apps/embeddedkonsole/TEScreen.cpp index 1db34d2..30ff49d 100644 --- a/core/apps/embeddedkonsole/TEScreen.cpp +++ b/core/apps/embeddedkonsole/TEScreen.cpp | |||
@@ -44,71 +44,71 @@ | |||
44 | 44 | ||
45 | #include <stdio.h> | 45 | #include <stdio.h> |
46 | #include <stdlib.h> | 46 | #include <stdlib.h> |
47 | #include <unistd.h> | 47 | #include <unistd.h> |
48 | // #include <kdebug.h> | 48 | // #include <kdebug.h> |
49 | 49 | ||
50 | #include <assert.h> | 50 | #include <assert.h> |
51 | #include <string.h> | 51 | #include <string.h> |
52 | #include <ctype.h> | 52 | #include <ctype.h> |
53 | 53 | ||
54 | #include <qpe/config.h> | 54 | #include <qpe/config.h> |
55 | #include "TEScreen.h" | 55 | #include "TEScreen.h" |
56 | 56 | ||
57 | #define HERE printf("%s(%d): here\n",__FILE__,__LINE__) | 57 | #define HERE printf("%s(%d): here\n",__FILE__,__LINE__) |
58 | 58 | ||
59 | //FIXME: this is emulation specific. Use FALSE for xterm, TRUE for ANSI. | 59 | //FIXME: this is emulation specific. Use FALSE for xterm, TRUE for ANSI. |
60 | //FIXME: see if we can get this from terminfo. | 60 | //FIXME: see if we can get this from terminfo. |
61 | #define BS_CLEARS FALSE | 61 | #define BS_CLEARS FALSE |
62 | 62 | ||
63 | #define loc(X,Y) ((Y) * columns + (X)) | 63 | #define loc(X,Y) ((Y) * columns + (X)) |
64 | 64 | ||
65 | /*! creates a `TEScreen' of `lines' lines and `columns' columns. | 65 | /*! creates a `TEScreen' of `lines' lines and `columns' columns. |
66 | */ | 66 | */ |
67 | 67 | ||
68 | TEScreen::TEScreen(int lines, int columns) | 68 | TEScreen::TEScreen(int _lines, int _columns) : |
69 | lines(_lines), | ||
70 | columns(_columns), | ||
71 | tabstops(0), | ||
72 | histCursor(0), | ||
73 | horzCursor(0) | ||
69 | { | 74 | { |
70 | this->lines = lines; | ||
71 | this->columns = columns; | ||
72 | // odebug << "Columns " << columns << "" << oendl; | 75 | // odebug << "Columns " << columns << "" << oendl; |
73 | 76 | ||
74 | image = (ca*) malloc(lines*columns*sizeof(ca)); | 77 | image = new ca[lines*columns]; |
75 | tabstops = NULL; initTabStops(); | 78 | initTabStops(); |
76 | |||
77 | histCursor = 0; | ||
78 | horzCursor = 0; | ||
79 | 79 | ||
80 | clearSelection(); | 80 | clearSelection(); |
81 | reset(); | 81 | reset(); |
82 | } | 82 | } |
83 | 83 | ||
84 | /*! Destructor | 84 | /*! Destructor |
85 | */ | 85 | */ |
86 | 86 | ||
87 | TEScreen::~TEScreen() | 87 | TEScreen::~TEScreen() |
88 | { | 88 | { |
89 | free(image); | 89 | delete [] image; |
90 | if (tabstops) free(tabstops); | 90 | delete [] tabstops; |
91 | } | 91 | } |
92 | 92 | ||
93 | /* ------------------------------------------------------------------------- */ | 93 | /* ------------------------------------------------------------------------- */ |
94 | /* */ | 94 | /* */ |
95 | /* Normalized Screen Operations */ | 95 | /* Normalized Screen Operations */ |
96 | /* */ | 96 | /* */ |
97 | /* ------------------------------------------------------------------------- */ | 97 | /* ------------------------------------------------------------------------- */ |
98 | 98 | ||
99 | // Cursor Setting -------------------------------------------------------------- | 99 | // Cursor Setting -------------------------------------------------------------- |
100 | 100 | ||
101 | /*! \section Cursor | 101 | /*! \section Cursor |
102 | 102 | ||
103 | The `cursor' is a location within the screen that is implicitely used in | 103 | The `cursor' is a location within the screen that is implicitely used in |
104 | many operations. The operations within this section allow to manipulate | 104 | many operations. The operations within this section allow to manipulate |
105 | the cursor explicitly and to obtain it's value. | 105 | the cursor explicitly and to obtain it's value. |
106 | 106 | ||
107 | The position of the cursor is guarantied to be between (including) 0 and | 107 | The position of the cursor is guarantied to be between (including) 0 and |
108 | `columns-1' and `lines-1'. | 108 | `columns-1' and `lines-1'. |
109 | */ | 109 | */ |
110 | 110 | ||
111 | /*! | 111 | /*! |
112 | Move the cursor up. | 112 | Move the cursor up. |
113 | 113 | ||
114 | The cursor will not be moved beyond the top margin. | 114 | The cursor will not be moved beyond the top margin. |
@@ -375,71 +375,71 @@ void TEScreen::restoreCursor() | |||
375 | /* */ | 375 | /* */ |
376 | /* ------------------------------------------------------------------------- */ | 376 | /* ------------------------------------------------------------------------- */ |
377 | 377 | ||
378 | /*! Assing a new size to the screen. | 378 | /*! Assing a new size to the screen. |
379 | 379 | ||
380 | The topmost left position is maintained, while lower lines | 380 | The topmost left position is maintained, while lower lines |
381 | or right hand side columns might be removed or filled with | 381 | or right hand side columns might be removed or filled with |
382 | spaces to fit the new size. | 382 | spaces to fit the new size. |
383 | 383 | ||
384 | The region setting is reset to the whole screen and the | 384 | The region setting is reset to the whole screen and the |
385 | tab positions reinitialized. | 385 | tab positions reinitialized. |
386 | */ | 386 | */ |
387 | 387 | ||
388 | void TEScreen::resizeImage(int new_lines, int new_columns) | 388 | void TEScreen::resizeImage(int new_lines, int new_columns) |
389 | { | 389 | { |
390 | if (cuY > new_lines-1) { | 390 | if (cuY > new_lines-1) { |
391 | // attempt to preserve focus and lines | 391 | // attempt to preserve focus and lines |
392 | bmargin = lines-1; //FIXME: margin lost | 392 | bmargin = lines-1; //FIXME: margin lost |
393 | for (int i = 0; i < cuY-(new_lines-1); i++) { | 393 | for (int i = 0; i < cuY-(new_lines-1); i++) { |
394 | addHistLine(); scrollUp(horzCursor,1); | 394 | addHistLine(); scrollUp(horzCursor,1); |
395 | } | 395 | } |
396 | } | 396 | } |
397 | 397 | ||
398 | // make new image | 398 | // make new image |
399 | ca* newimg = (ca*)malloc( new_lines * new_columns * sizeof( ca)); | 399 | ca* newimg = new ca[new_lines * new_columns]; |
400 | 400 | ||
401 | clearSelection(); | 401 | clearSelection(); |
402 | 402 | ||
403 | // clear new image | 403 | // clear new image |
404 | for (int y = 0; y < new_lines; y++) | 404 | for (int y = 0; y < new_lines; y++) |
405 | for (int x = 0; x < new_columns; x++) { | 405 | for (int x = 0; x < new_columns; x++) { |
406 | newimg[y*new_columns+x].c = ' '; | 406 | newimg[y*new_columns+x].c = ' '; |
407 | newimg[y*new_columns+x].f = DEFAULT_FORE_COLOR; | 407 | newimg[y*new_columns+x].f = DEFAULT_FORE_COLOR; |
408 | newimg[y*new_columns+x].b = DEFAULT_BACK_COLOR; | 408 | newimg[y*new_columns+x].b = DEFAULT_BACK_COLOR; |
409 | newimg[y*new_columns+x].r = DEFAULT_RENDITION; | 409 | newimg[y*new_columns+x].r = DEFAULT_RENDITION; |
410 | } | 410 | } |
411 | int cpy_lines = QMIN(new_lines, lines); | 411 | int cpy_lines = QMIN(new_lines, lines); |
412 | int cpy_columns = QMIN(new_columns,columns); | 412 | int cpy_columns = QMIN(new_columns,columns); |
413 | // copy to new image | 413 | // copy to new image |
414 | for (int y = 0; y < cpy_lines; y++) | 414 | for (int y = 0; y < cpy_lines; y++) |
415 | for (int x = 0; x < cpy_columns; x++) { | 415 | for (int x = 0; x < cpy_columns; x++) { |
416 | newimg[y*new_columns+x].c = image[loc(x,y)].c; | 416 | newimg[y*new_columns+x].c = image[loc(x,y)].c; |
417 | newimg[y*new_columns+x].f = image[loc(x,y)].f; | 417 | newimg[y*new_columns+x].f = image[loc(x,y)].f; |
418 | newimg[y*new_columns+x].b = image[loc(x,y)].b; | 418 | newimg[y*new_columns+x].b = image[loc(x,y)].b; |
419 | newimg[y*new_columns+x].r = image[loc(x,y)].r; | 419 | newimg[y*new_columns+x].r = image[loc(x,y)].r; |
420 | } | 420 | } |
421 | free(image); | 421 | delete [] image; |
422 | image = newimg; | 422 | image = newimg; |
423 | lines = new_lines; | 423 | lines = new_lines; |
424 | columns = new_columns; | 424 | columns = new_columns; |
425 | cuX = QMIN(cuX,columns-1); | 425 | cuX = QMIN(cuX,columns-1); |
426 | cuY = QMIN(cuY,lines-1); | 426 | cuY = QMIN(cuY,lines-1); |
427 | 427 | ||
428 | // FIXME: try to keep values, evtl. | 428 | // FIXME: try to keep values, evtl. |
429 | tmargin=0; | 429 | tmargin=0; |
430 | bmargin=lines-1; | 430 | bmargin=lines-1; |
431 | initTabStops(); | 431 | initTabStops(); |
432 | clearSelection(); | 432 | clearSelection(); |
433 | } | 433 | } |
434 | 434 | ||
435 | /* | 435 | /* |
436 | Clarifying rendition here and in TEWidget. | 436 | Clarifying rendition here and in TEWidget. |
437 | 437 | ||
438 | currently, TEWidget's color table is | 438 | currently, TEWidget's color table is |
439 | 0 1 2 .. 9 10 .. 17 | 439 | 0 1 2 .. 9 10 .. 17 |
440 | dft_fg, dft_bg, dim 0..7, intensive 0..7 | 440 | dft_fg, dft_bg, dim 0..7, intensive 0..7 |
441 | 441 | ||
442 | cu_fg, cu_bg contain values 0..8; | 442 | cu_fg, cu_bg contain values 0..8; |
443 | - 0 = default color | 443 | - 0 = default color |
444 | - 1..8 = ansi specified color | 444 | - 1..8 = ansi specified color |
445 | 445 | ||
@@ -486,49 +486,49 @@ void TEScreen::effectiveRendition() | |||
486 | ef_bg = cu_bg; | 486 | ef_bg = cu_bg; |
487 | } | 487 | } |
488 | if (cu_re & RE_BOLD) | 488 | if (cu_re & RE_BOLD) |
489 | { | 489 | { |
490 | if (ef_fg < BASE_COLORS) | 490 | if (ef_fg < BASE_COLORS) |
491 | ef_fg += BASE_COLORS; | 491 | ef_fg += BASE_COLORS; |
492 | else | 492 | else |
493 | ef_fg -= BASE_COLORS; | 493 | ef_fg -= BASE_COLORS; |
494 | } | 494 | } |
495 | } | 495 | } |
496 | 496 | ||
497 | /*! | 497 | /*! |
498 | returns the image. | 498 | returns the image. |
499 | 499 | ||
500 | Get the size of the image by \sa getLines and \sa getColumns. | 500 | Get the size of the image by \sa getLines and \sa getColumns. |
501 | 501 | ||
502 | NOTE that the image returned by this function must later be | 502 | NOTE that the image returned by this function must later be |
503 | freed. | 503 | freed. |
504 | 504 | ||
505 | */ | 505 | */ |
506 | 506 | ||
507 | ca* TEScreen::getCookedImage() | 507 | ca* TEScreen::getCookedImage() |
508 | { | 508 | { |
509 | int x,y; | 509 | int x,y; |
510 | ca* merged = (ca*)malloc(lines*columns*sizeof(ca)); | 510 | ca* merged = new ca[lines*columns]; |
511 | ca dft(' ',DEFAULT_FORE_COLOR,DEFAULT_BACK_COLOR,DEFAULT_RENDITION); | 511 | ca dft(' ',DEFAULT_FORE_COLOR,DEFAULT_BACK_COLOR,DEFAULT_RENDITION); |
512 | 512 | ||
513 | if (histCursor > hist.getLines()) { | 513 | if (histCursor > hist.getLines()) { |
514 | histCursor = hist.getLines(); | 514 | histCursor = hist.getLines(); |
515 | } | 515 | } |
516 | 516 | ||
517 | for (y = 0; (y < lines) && (y < (hist.getLines()-histCursor)); y++) | 517 | for (y = 0; (y < lines) && (y < (hist.getLines()-histCursor)); y++) |
518 | { | 518 | { |
519 | int len = QMIN(columns,hist.getLineLen(y+histCursor)); | 519 | int len = QMIN(columns,hist.getLineLen(y+histCursor)); |
520 | int yp = y*columns; | 520 | int yp = y*columns; |
521 | int yq = (y+histCursor)*columns; | 521 | int yq = (y+histCursor)*columns; |
522 | 522 | ||
523 | hist.getCells(y+histCursor,0,len,merged+yp); | 523 | hist.getCells(y+histCursor,0,len,merged+yp); |
524 | for (x = len; x < columns; x++) merged[yp+x] = dft; | 524 | for (x = len; x < columns; x++) merged[yp+x] = dft; |
525 | for (x = 0; x < columns; x++) | 525 | for (x = 0; x < columns; x++) |
526 | { int p=x + yp; int q=x + yq; | 526 | { int p=x + yp; int q=x + yq; |
527 | if ( ( q >= sel_TL ) && ( q <= sel_BR ) ) | 527 | if ( ( q >= sel_TL ) && ( q <= sel_BR ) ) |
528 | reverseRendition(&merged[p]); // for selection | 528 | reverseRendition(&merged[p]); // for selection |
529 | } | 529 | } |
530 | } | 530 | } |
531 | if (lines >= hist.getLines()-histCursor) | 531 | if (lines >= hist.getLines()-histCursor) |
532 | { | 532 | { |
533 | for (y = (hist.getLines()-histCursor); y < lines ; y++) | 533 | for (y = (hist.getLines()-histCursor); y < lines ; y++) |
534 | { | 534 | { |
@@ -602,50 +602,52 @@ void TEScreen::BackSpace() | |||
602 | } | 602 | } |
603 | 603 | ||
604 | /*! | 604 | /*! |
605 | */ | 605 | */ |
606 | 606 | ||
607 | void TEScreen::Tabulate() | 607 | void TEScreen::Tabulate() |
608 | { | 608 | { |
609 | // note that TAB is a format effector (does not write ' '); | 609 | // note that TAB is a format effector (does not write ' '); |
610 | cursorRight(1); while(cuX < columns-1 && !tabstops[cuX]) cursorRight(1); | 610 | cursorRight(1); while(cuX < columns-1 && !tabstops[cuX]) cursorRight(1); |
611 | } | 611 | } |
612 | 612 | ||
613 | void TEScreen::clearTabStops() | 613 | void TEScreen::clearTabStops() |
614 | { | 614 | { |
615 | for (int i = 0; i < columns; i++) tabstops[i-1] = FALSE; | 615 | for (int i = 0; i < columns; i++) tabstops[i-1] = FALSE; |
616 | } | 616 | } |
617 | 617 | ||
618 | void TEScreen::changeTabStop(bool set) | 618 | void TEScreen::changeTabStop(bool set) |
619 | { | 619 | { |
620 | if (cuX >= columns) return; | 620 | if (cuX >= columns) return; |
621 | tabstops[cuX] = set; | 621 | tabstops[cuX] = set; |
622 | } | 622 | } |
623 | 623 | ||
624 | void TEScreen::initTabStops() | 624 | void TEScreen::initTabStops() |
625 | { | 625 | { |
626 | if (tabstops) free(tabstops); | 626 | if (tabstops) |
627 | tabstops = (bool*)malloc(columns*sizeof(bool)); | 627 | delete [] tabstops; |
628 | |||
629 | tabstops = new bool[columns]; | ||
628 | // Arrg! The 1st tabstop has to be one longer than the other. | 630 | // Arrg! The 1st tabstop has to be one longer than the other. |
629 | // i.e. the kids start counting from 0 instead of 1. | 631 | // i.e. the kids start counting from 0 instead of 1. |
630 | // Other programs might behave correctly. Be aware. | 632 | // Other programs might behave correctly. Be aware. |
631 | for (int i = 0; i < columns; i++) tabstops[i] = (i%8 == 0 && i != 0); | 633 | for (int i = 0; i < columns; i++) tabstops[i] = (i%8 == 0 && i != 0); |
632 | } | 634 | } |
633 | 635 | ||
634 | /*! | 636 | /*! |
635 | This behaves either as IND (Screen::Index) or as NEL (Screen::NextLine) | 637 | This behaves either as IND (Screen::Index) or as NEL (Screen::NextLine) |
636 | depending on the NewLine Mode (LNM). This mode also | 638 | depending on the NewLine Mode (LNM). This mode also |
637 | affects the key sequence returned for newline ([CR]LF). | 639 | affects the key sequence returned for newline ([CR]LF). |
638 | */ | 640 | */ |
639 | 641 | ||
640 | void TEScreen::NewLine() | 642 | void TEScreen::NewLine() |
641 | { | 643 | { |
642 | if (getMode(MODE_NewLine)) Return(); | 644 | if (getMode(MODE_NewLine)) Return(); |
643 | index(); | 645 | index(); |
644 | } | 646 | } |
645 | 647 | ||
646 | /*! put `c' literally onto the screen at the current cursor position. | 648 | /*! put `c' literally onto the screen at the current cursor position. |
647 | 649 | ||
648 | VT100 uses the convention to produce an automatic newline (am) | 650 | VT100 uses the convention to produce an automatic newline (am) |
649 | with the *first* character that would fall onto the next line (xenl). | 651 | with the *first* character that would fall onto the next line (xenl). |
650 | */ | 652 | */ |
651 | 653 | ||