Diffstat (limited to 'core/apps/embeddedkonsole/TEScreen.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | core/apps/embeddedkonsole/TEScreen.cpp | 415 |
1 files changed, 248 insertions, 167 deletions
diff --git a/core/apps/embeddedkonsole/TEScreen.cpp b/core/apps/embeddedkonsole/TEScreen.cpp index a3d115d..50807d3 100644 --- a/core/apps/embeddedkonsole/TEScreen.cpp +++ b/core/apps/embeddedkonsole/TEScreen.cpp @@ -9,12 +9,13 @@ /* This file is part of Konsole - an X terminal for KDE */ /* */ /* -------------------------------------------------------------------------- */ -/* */ +/* */ /* Ported Konsole to Qt/Embedded */ -/* */ +/* */ /* Copyright (C) 2000 by John Ryland <jryland@trolltech.com> */ -/* */ +/* */ /* -------------------------------------------------------------------------- */ +// enhancements added by L.J. Potter <ljp@llornkcor.com> /*! \file */ @@ -50,6 +51,7 @@ #include <string.h> #include <ctype.h> +#include <qpe/config.h> #include "TEScreen.h" #define HERE printf("%s(%d): here\n",__FILE__,__LINE__) @@ -58,7 +60,7 @@ //FIXME: see if we can get this from terminfo. #define BS_CLEARS FALSE -#define loc(X,Y) ((Y)*columns+(X)) +#define loc(X,Y) ((Y) * columns + (X)) /*! creates a `TEScreen' of `lines' lines and `columns' columns. */ @@ -67,11 +69,13 @@ TEScreen::TEScreen(int lines, int columns) { this->lines = lines; this->columns = columns; - +// qDebug("Columns %d", columns); + image = (ca*) malloc(lines*columns*sizeof(ca)); tabstops = NULL; initTabStops(); histCursor = 0; + horzCursor = 0; clearSelection(); reset(); @@ -383,53 +387,49 @@ void TEScreen::restoreCursor() void TEScreen::resizeImage(int new_lines, int new_columns) { - - if (cuY > new_lines-1) - { // attempt to preserve focus and lines - bmargin = lines-1; //FIXME: margin lost - for (int i = 0; i < cuY-(new_lines-1); i++) - { - addHistLine(); scrollUp(0,1); + if (cuY > new_lines-1) { +// attempt to preserve focus and lines + bmargin = lines-1; //FIXME: margin lost + for (int i = 0; i < cuY-(new_lines-1); i++) { + addHistLine(); scrollUp(horzCursor,1); + } } - } - // make new image - ca* newimg = (ca*)malloc(new_lines*new_columns*sizeof(ca)); + // make new image + ca* newimg = (ca*)malloc( new_lines * new_columns * sizeof( ca)); - clearSelection(); - - // clear new image - for (int y = 0; y < new_lines; y++) - for (int x = 0; x < new_columns; x++) - { - newimg[y*new_columns+x].c = ' '; - newimg[y*new_columns+x].f = DEFAULT_FORE_COLOR; - newimg[y*new_columns+x].b = DEFAULT_BACK_COLOR; - newimg[y*new_columns+x].r = DEFAULT_RENDITION; - } - int cpy_lines = QMIN(new_lines, lines); - int cpy_columns = QMIN(new_columns,columns); - // copy to new image - for (int y = 0; y < cpy_lines; y++) - for (int x = 0; x < cpy_columns; x++) - { - newimg[y*new_columns+x].c = image[loc(x,y)].c; - newimg[y*new_columns+x].f = image[loc(x,y)].f; - newimg[y*new_columns+x].b = image[loc(x,y)].b; - newimg[y*new_columns+x].r = image[loc(x,y)].r; - } - free(image); - image = newimg; - lines = new_lines; - columns = new_columns; - cuX = QMIN(cuX,columns-1); - cuY = QMIN(cuY,lines-1); + clearSelection(); - // FIXME: try to keep values, evtl. - tmargin=0; - bmargin=lines-1; - initTabStops(); - clearSelection(); + // clear new image + for (int y = 0; y < new_lines; y++) + for (int x = 0; x < new_columns; x++) { + newimg[y*new_columns+x].c = ' '; + newimg[y*new_columns+x].f = DEFAULT_FORE_COLOR; + newimg[y*new_columns+x].b = DEFAULT_BACK_COLOR; + newimg[y*new_columns+x].r = DEFAULT_RENDITION; + } + int cpy_lines = QMIN(new_lines, lines); + int cpy_columns = QMIN(new_columns,columns); + // copy to new image + for (int y = 0; y < cpy_lines; y++) + for (int x = 0; x < cpy_columns; x++) { + newimg[y*new_columns+x].c = image[loc(x,y)].c; + newimg[y*new_columns+x].f = image[loc(x,y)].f; + newimg[y*new_columns+x].b = image[loc(x,y)].b; + newimg[y*new_columns+x].r = image[loc(x,y)].r; + } + free(image); + image = newimg; + lines = new_lines; + columns = new_columns; + cuX = QMIN(cuX,columns-1); + cuY = QMIN(cuY,lines-1); + + // FIXME: try to keep values, evtl. + tmargin=0; + bmargin=lines-1; + initTabStops(); + clearSelection(); } /* @@ -505,7 +505,8 @@ void TEScreen::effectiveRendition() */ ca* TEScreen::getCookedImage() -{ int x,y; +{ + int x,y; ca* merged = (ca*)malloc(lines*columns*sizeof(ca)); ca dft(' ',DEFAULT_FORE_COLOR,DEFAULT_BACK_COLOR,DEFAULT_RENDITION); @@ -548,6 +549,65 @@ ca* TEScreen::getCookedImage() if (getMode(MODE_Cursor) && (cuY+(hist.getLines()-histCursor) < lines)) // cursor visible reverseRendition(&merged[loc(cuX,cuY+(hist.getLines()-histCursor))]); return merged; + + /* + int x, y, z; + + ca* merged = (ca*)malloc( lines * columns * sizeof( ca)); + + ca dft(' ',DEFAULT_FORE_COLOR,DEFAULT_BACK_COLOR,DEFAULT_RENDITION); + +// qDebug("hist lines %d, historyCursor %d, minus %d ,lines %d, columns %d", +// hist.getLines(), histCursor, hist.getLines() - histCursor , lines, columns); + for (y = 0; (y < lines) && (y < ( hist.getLines() - histCursor )); y++) { + + int len = QMIN( columns, hist.getLineLen( y + histCursor) ); + int yp = y * columns; + int yq = ( y + histCursor) * columns; +// qDebug("horzCursor %d, columns %d, len %d", horzCursor, columns, len); +// qDebug("lineno %d, colno %d, count %d\n", y + histCursor, (horzCursor / 2), len ); + qDebug("Y %d", y); + hist.getCells( y + histCursor, (horzCursor / 2), len, merged + yp); + + for (x = len; x < columns; x++) + merged[yp + x] = dft; + for (x = 0; x < columns; x++) { + int p = x + yp; int q = x + yq; + if ( ( q >= sel_TL ) && ( q <= sel_BR ) ) + reverseRendition(&merged[p]); // for selection + } + } + + if (lines >= hist.getLines() - histCursor) { + for (y = ( hist.getLines() - histCursor); y < lines ; y++) { + int z = horzCursor; + int yp = y * columns; + int yq = ( y + histCursor) * columns; + int yr = ( y - hist.getLines() + histCursor) * columns; +// qDebug("y %d, yp %d, yq %d, columns %d, z cursor %d", y, yp, yq, columns, z); + for (x = 0; x < columns; x++) { + int p = x + yp; int q = x + yq; int r = (x + (horzCursor/2) ) + yr; + merged[p] = image[r]; + if ( q >= sel_TL && q <= sel_BR ) + reverseRendition( &merged[p]); // for selection + } + } + } + + +// evtl. inverse display + if (getMode(MODE_Screen)) + { int i, n = lines * columns; + for (i = 0; i < n; i++) + reverseRendition( &merged[i]); // for reverse display + } + if (getMode(MODE_Cursor) && ( cuY + ( hist.getLines() - histCursor) < lines)) // cursor visible + + reverseRendition( &merged[ loc( cuX, cuY + ( hist.getLines() - histCursor))] ); + + return merged; + */ + } @@ -556,7 +616,12 @@ ca* TEScreen::getCookedImage() void TEScreen::reset() { + Config cfg("Konsole"); + cfg.setGroup("ScrollBar"); + if( !cfg.readBoolEntry("HorzScroll",0) ) setMode(MODE_Wrap ); saveMode(MODE_Wrap ); // wrap at end of margin + + resetMode(MODE_Origin); saveMode(MODE_Origin); // position refere to [1,1] resetMode(MODE_Insert); saveMode(MODE_Insert); // overstroke setMode(MODE_Cursor); // cursor visible @@ -658,12 +723,13 @@ void TEScreen::ShowCharacter(unsigned short c) if (cuX >= columns) { - if (getMode(MODE_Wrap)) NextLine(); else cuX = columns-1; + if (getMode(MODE_Wrap)) NextLine(); else cuX = columns - 1; + // comment out for no wrap } if (getMode(MODE_Insert)) insertChars(1); - int i = loc(cuX,cuY); + int i = loc( cuX, cuY); checkSelection(i, i); // check if selection is still valid. @@ -685,10 +751,11 @@ void TEScreen::ShowCharacter(unsigned short c) void TEScreen::scrollUp(int from, int n) { - if (n <= 0 || from + n > bmargin) return; + if (n <= 0 || from + n > bmargin) return; //FIXME: make sure `tmargin', `bmargin', `from', `n' is in bounds. - moveImage(loc(0,from),loc(0,from+n),loc(columns-1,bmargin)); - clearImage(loc(0,bmargin-n+1),loc(columns-1,bmargin),' '); + + moveImage( loc( 0, from), loc( 0, from + n), loc( columns - 1, bmargin)); + clearImage( loc( 0, bmargin - n + 1), loc( columns - 1, bmargin), ' '); } /*! scroll down `n' lines within current region. @@ -698,14 +765,18 @@ void TEScreen::scrollUp(int from, int n) void TEScreen::scrollDown(int from, int n) { + //FIXME: make sure `tmargin', `bmargin', `from', `n' is in bounds. - if (n <= 0) return; + if (n <= 0) return; if (from > bmargin) return; if (from + n > bmargin) n = bmargin - from; - moveImage(loc(0,from+n),loc(0,from),loc(columns-1,bmargin-n)); + + moveImage( loc(0,from+n), loc(0,from), loc(columns-1,bmargin-n)); clearImage(loc(0,from),loc(columns-1,from+n-1),' '); } + + /*! position the cursor to a specific line and column. */ void TEScreen::setCursorYX(int y, int x) { @@ -871,7 +942,7 @@ void TEScreen::clearToBeginOfLine() void TEScreen::clearEntireLine() { - clearImage(loc(0,cuY),loc(columns-1,cuY),' '); + clearImage( loc( 0, cuY),loc( columns - 1, cuY),' '); } // Rendition ------------------------------------------------------------------ @@ -988,17 +1059,17 @@ QString TEScreen::getSelText(const BOOL preserve_line_breaks) if (sel_begin == -1) return QString::null; // Selection got clear while selecting. - int *m; // buffer to fill. - int s, d; // source index, dest. index. + int *m; // buffer to fill. + int s, d; // source index, dest. index. int hist_BR = loc(0, hist.getLines()); int hY = sel_TL / columns; int hX = sel_TL % columns; - int eol; // end of line + int eol; // end of line - s = sel_TL; // tracks copy in source. + s = sel_TL; // tracks copy in source. - // allocate buffer for maximum - // possible size... + // allocate buffer for maximum + // possible size... d = (sel_BR - sel_TL) / columns + 1; m = new int[d * (columns + 1) + 2]; d = 0; @@ -1006,103 +1077,103 @@ QString TEScreen::getSelText(const BOOL preserve_line_breaks) while (s <= sel_BR) { if (s < hist_BR) - { // get lines from hist.history - // buffer. - eol = hist.getLineLen(hY); - - if ((hY == (sel_BR / columns)) && - (eol >= (sel_BR % columns))) - { - eol = sel_BR % columns + 1; - } - - while (hX < eol) - { - m[d++] = hist.getCell(hY, hX++).c; - s++; - } - - if (s <= sel_BR) - { - // The line break handling - // It's different from the screen - // image case! - if (eol % columns == 0) - { - // That's either a completely filled - // line or an empty line - if (eol == 0) - { - m[d++] = '\n'; - } - else - { - // We have a full line. - // FIXME: How can we handle newlines - // at this position?! - } - } - else if ((eol + 1) % columns == 0) - { - // FIXME: We don't know if this was a - // space at the last position or a - // short line!! - m[d++] = ' '; - } - else - { - // We have a short line here. Put a - // newline or a space into the - // buffer. - m[d++] = preserve_line_breaks ? '\n' : ' '; - } - } - - hY++; - hX = 0; - s = hY * columns; - } + { // get lines from hist.history + // buffer. + eol = hist.getLineLen(hY); + + if ((hY == (sel_BR / columns)) && + (eol >= (sel_BR % columns))) + { + eol = sel_BR % columns + 1; + } + + while (hX < eol) + { + m[d++] = hist.getCell(hY, hX++).c; + s++; + } + + if (s <= sel_BR) + { + // The line break handling + // It's different from the screen + // image case! + if (eol % columns == 0) + { + // That's either a completely filled + // line or an empty line + if (eol == 0) + { + m[d++] = '\n'; + } + else + { + // We have a full line. + // FIXME: How can we handle newlines + // at this position?! + } + } + else if ((eol + 1) % columns == 0) + { + // FIXME: We don't know if this was a + // space at the last position or a + // short line!! + m[d++] = ' '; + } + else + { + // We have a short line here. Put a + // newline or a space into the + // buffer. + m[d++] = preserve_line_breaks ? '\n' : ' '; + } + } + + hY++; + hX = 0; + s = hY * columns; + } else - { // or from screen image. - eol = (s / columns + 1) * columns - 1; - - if (eol < sel_BR) - { - while ((eol > s) && - isspace(image[eol - hist_BR].c)) - { - eol--; - } - } - else - { - eol = sel_BR; - } - - while (s <= eol) - { - m[d++] = image[s++ - hist_BR].c; - } - - if (eol < sel_BR) - { - // eol processing see below ... - if ((eol + 1) % columns == 0) - { - if (image[eol - hist_BR].c == ' ') - { - m[d++] = ' '; - } - } - else - { - m[d++] = ((preserve_line_breaks || - ((eol % columns) == 0)) ? - '\n' : ' '); - } - } - - s = (eol / columns + 1) * columns; + { // or from screen image. + eol = (s / columns + 1) * columns - 1; + + if (eol < sel_BR) + { + while ((eol > s) && + isspace(image[eol - hist_BR].c)) + { + eol--; + } + } + else + { + eol = sel_BR; + } + + while (s <= eol) + { + m[d++] = image[s++ - hist_BR].c; + } + + if (eol < sel_BR) + { + // eol processing see below ... + if ((eol + 1) % columns == 0) + { + if (image[eol - hist_BR].c == ' ') + { + m[d++] = ' '; + } + } + else + { + m[d++] = ((preserve_line_breaks || + ((eol % columns) == 0)) ? + '\n' : ' '); + } + } + + s = (eol / columns + 1) * columns; } } @@ -1129,8 +1200,8 @@ cases: are preserved. FIXME: - * this suppresses \n for command output that is - sized to the exact column width of the screen. + * this suppresses \n for command output that is + sized to the exact column width of the screen. 2) eol%columns == 0 --> blank line. insert a \n unconditionally. @@ -1138,7 +1209,7 @@ FIXME: or because it's an ASCII paragraph delimiter, so even when not preserving line_breaks, you want to preserve paragraph breaks. -3) else --> partially filled line +3) else --> partially filled line insert a \n in preserve line break mode, else a space The space prevents concatenation of the last word of one line with the first of the next. @@ -1152,18 +1223,18 @@ void TEScreen::addHistLine() // add to hist buffer // we have to take care about scrolling, too... - if (hasScroll()) - { ca dft; + if (hasScroll()){ + ca dft; - int end = columns-1; + int end = columns - 1; while (end >= 0 && image[end] == dft) end -= 1; - hist.addCells(image,end+1); + hist.addCells( image, end + 1); hist.addLine(); // adjust history cursor - histCursor += (hist.getLines()-1 == histCursor); + histCursor += ( hist.getLines() - 1 == histCursor); } if (!hasScroll()) histCursor = 0; //FIXME: a poor workaround @@ -1174,11 +1245,21 @@ void TEScreen::setHistCursor(int cursor) histCursor = cursor; //FIXME:rangecheck } +void TEScreen::setHorzCursor(int cursor) +{ + horzCursor = cursor; +} + int TEScreen::getHistCursor() { return histCursor; } +int TEScreen::getHorzCursor() +{ + return horzCursor; +} + int TEScreen::getHistLines() { return hist.getLines(); |