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@ -19,12 +19,13 @@ struct term { |
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struct { |
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int x; |
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int y; |
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unsigned int off_x; |
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unsigned int off_y; |
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int off_x; |
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int off_y; |
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int r_x; |
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int d_x; |
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int r_y; |
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//int d_x;
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//int xx;
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int yy; |
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//int yy;
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} cur; |
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struct { |
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@ -43,7 +44,7 @@ struct term { |
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typedef struct row { |
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int size; |
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char *chars; |
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unsigned int r_size; |
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int r_size; |
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char *render; |
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} row; |
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@ -60,11 +61,11 @@ static void drawBar (char *s); |
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static void drawScreen (); |
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static void drawLines (void); |
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static void updateRender (row *rw); |
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static void updateOffset (void); |
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static void curUpdateRender (void); |
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static void cursorMove(int a); |
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static int decimalSize (int n); |
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static inline void lnMove (int y, int x); |
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static int curRealToRender (row *rw, int c_x); |
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//static int curRealToRender (row *rw, int c_x);
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/* Row operations */ |
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static inline void rowInit (void); |
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@ -142,22 +143,24 @@ int main (int argc, char *argv[]) |
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case (KEY_ENTER): |
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case (10): |
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case ('\r'): |
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rowAddRow(t.cur.yy); |
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//rowAddRow(t.cur.yy);
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//t.cur.off_x = 0;
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rowAddRow(t.cur.y); |
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t.cur.y++; |
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t.cur.x = 0; |
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t.cur.off_x = 0; |
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break; |
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case (KEY_END): |
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t.cur.y = rows.rownum; |
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t.cur.off_y = 0; |
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t.cur.y = rows.rownum - 1; |
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//t.cur.off_y = 0;
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break; |
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case (KEY_HOME): |
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t.cur.y = 0; |
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t.cur.off_y = 0; |
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//t.cur.off_y = 0;
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break; |
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default: |
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if (c == KEY_STAB) c = '\t'; |
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rowAddChar(&rows.rw[t.cur.yy], c, t.cur.x); |
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rowAddChar(&rows.rw[t.cur.y], c, t.cur.x); |
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} |
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if (decimalSize(rows.rownum) - irow) updateInfo(); |
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} |
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@ -239,13 +242,13 @@ void drawScreen () |
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/* Clear the screen */ |
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erase(); |
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/* Update Scroll */ |
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updateOffset(); |
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curUpdateRender(); |
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/* draw the lines */ |
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drawLines(); |
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/* draw the bar */ |
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drawBar(t.statusbar); |
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/* move back to the cursor position */ |
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lnMove(t.cur.y, t.cur.r_x); |
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lnMove(t.cur.r_y, t.cur.r_x); |
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/* refresh the screen */ |
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refresh(); |
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} |
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@ -256,7 +259,7 @@ void drawLines (void) |
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static int ln, i; |
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/* move to the beginning of the screen */ |
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for (i = 0, ln = 0; i < t.dim.y; i++) { |
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for (i = 0, ln = 0; i < t.dim.y + t.cur.off_y; i++) { |
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ln = i + t.cur.off_y; |
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if (ln >= rows.rownum) break; |
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@ -293,11 +296,12 @@ void drawBar (char *s) |
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/* Print the message */ |
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mvprintw(t.dim.y, 0, s); |
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/* Fill everything else with spaces */ |
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for (int i = len; i <= t.dim.x + t.pad; i++) |
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static int i; |
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for (i = len; i <= t.dim.x + t.pad; i++) |
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mvaddch(t.dim.y, i, ' '); |
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static char m[40]; |
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sprintf(m, "x: %d y: %d Zoom: %c", t.cur.x, t.cur.yy, whatsThat()); |
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sprintf(m, "x: %d y: %d Zoom: %c", t.cur.x, t.cur.y, whatsThat()); |
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mvaddstr(t.dim.y, t.dim.x + t.pad - strlen(m), m); |
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/* Return to normal contrast mode */ |
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@ -554,7 +558,7 @@ void rowDeleteRow (int pos) |
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/* ----------------------------- row operations --------------------------- */ |
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/* take care of the cursor movement */ |
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void cursorMove (int a) |
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/*void cursorMove (int a)
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{ |
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switch (a) { |
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case (KEY_LEFT): |
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@ -604,11 +608,12 @@ void cursorMove (int a) |
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break; |
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} |
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} |
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} |
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}*/ |
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void updateOffset (void) |
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/*void curUpdateRender (void)
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{ |
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/* Set y offset */ |
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//Set y offset
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if (t.cur.y >= t.dim.y) { |
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if (t.cur.y == t.dim.y) t.cur.off_y++; |
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else t.cur.off_y += t.cur.y - t.dim.y; |
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@ -620,18 +625,10 @@ void updateOffset (void) |
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t.cur.y = 0; |
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} |
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/* Set x offeset */ |
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/*if (t.cur.x >= t.dim.x) {
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if (t.cur.x == t.dim.x - 1) t.cur.off_x++; |
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else t.cur.off_x += t.cur.x - t.dim.x; |
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t.cur.x = t.dim.x; |
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} else if (t.cur.x < 0 && t.cur.off_x > 0) { |
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t.cur.off_x--; |
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t.cur.x = 0; |
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}*/ |
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//Old curRealToRender()
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t.cur.r_x = curRealToRender(&rows.rw[t.cur.yy], t.cur.x); |
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if (t.cur.r_x >= t.dim.x) { |
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t.cur.off_x += (t.cur.r_x > t.dim.x ) ? (t.cur.r_x - t.dim.x) : 1; |
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t.cur.r_x = t.dim.x - 1; |
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@ -639,14 +636,15 @@ void updateOffset (void) |
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t.cur.off_x -= (t.cur.off_x > 0) ? 0 : t.cur.off_x; |
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t.cur.r_x = 0; |
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} |
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/* convert the cursor from real to render
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* and update other cursor info */ |
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//convert the cursor from real to render
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// and update other cursor info
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t.cur.yy = t.cur.y + t.cur.off_y; |
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//t.cur.xx = t.cur.x + t.cur.off_x;
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//t.cur.d_x = t.cur.r_x - t.cur.x;
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} |
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} */ |
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/* convert the cursor matchoing the memory to the drawn one */ |
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/*
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int curRealToRender (row *rw, int c_x) |
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{ |
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static int r_x = 0, i; |
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@ -655,13 +653,13 @@ int curRealToRender (row *rw, int c_x) |
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r_x++; |
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} |
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return r_x; |
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} |
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}*/ |
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/*---------------------------------- scroll ------------------------------------*/ |
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/* See whats under the cursor (memory) */ |
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int whatsThat (void) { |
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int c = rows.rw[t.cur.yy].chars[t.cur.x]; |
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int c = rows.rw[t.cur.y].chars[t.cur.x]; |
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switch (c) { |
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case ('\t'): |
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return '^'; |
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@ -683,20 +681,20 @@ int whatsThat (void) { |
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void handleDel (int select) |
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{
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if (!select) { |
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if (t.cur.x <= 0 && t.cur.yy > 0) { |
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t.cur.x = rows.rw[t.cur.yy - 1].size; |
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rowAddString(&rows.rw[t.cur.yy - 1], rows.rw[t.cur.yy].chars, rows.rw[t.cur.yy].size, -1); |
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rowDeleteRow(t.cur.yy); |
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if (t.cur.x <= 0 && t.cur.y > 0) { |
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t.cur.x = rows.rw[t.cur.y - 1].size; |
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rowAddString(&rows.rw[t.cur.y - 1], rows.rw[t.cur.y].chars, rows.rw[t.cur.y].size, -1); |
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rowDeleteRow(t.cur.y); |
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t.cur.y--; |
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} else { |
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rowDeleteChar(&rows.rw[t.cur.yy], 0, t.cur.x); |
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rowDeleteChar(&rows.rw[t.cur.y], 0, t.cur.x); |
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} |
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} else { |
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if (t.cur.x >= rows.rw[t.cur.yy].size) { |
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rowAddString(&rows.rw[t.cur.yy], rows.rw[t.cur.yy + 1].chars, rows.rw[t.cur.yy + 1].size, -1); |
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rowDeleteRow(t.cur.yy + 1); |
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if (t.cur.x >= rows.rw[t.cur.y].size) { |
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rowAddString(&rows.rw[t.cur.y], rows.rw[t.cur.y + 1].chars, rows.rw[t.cur.y + 1].size, -1); |
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rowDeleteRow(t.cur.y + 1); |
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} else { |
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rowDeleteChar(&rows.rw[t.cur.yy], 1, t.cur.x); |
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rowDeleteChar(&rows.rw[t.cur.y], 1, t.cur.x); |
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} |
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} |
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} |
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@ -711,4 +709,80 @@ void updateInfo (void) |
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t.dim.x -= t.pad + 1; |
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} |
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/* take care of the cursor movement */ |
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void cursorMove (int a) |
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{ |
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switch (a) { |
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case (KEY_LEFT): |
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if (t.cur.x <= 0) { |
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if (t.cur.y) { |
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t.cur.y--; |
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t.cur.x = rows.rw[t.cur.y].size; |
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} |
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} else |
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t.cur.x--; |
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break; |
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case (KEY_RIGHT): |
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if (t.cur.x >= rows.rw[t.cur.y].size) { |
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if (t.cur.y < rows.rownum - 1) { |
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t.cur.y++; |
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t.cur.x = 0; |
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} |
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} else
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t.cur.x++; |
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break; |
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case (KEY_UP): |
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if (t.cur.y) { |
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t.cur.y--; |
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if (t.cur.x > rows.rw[t.cur.y].size) |
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t.cur.x = rows.rw[t.cur.y].size; |
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} |
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break; |
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case (KEY_DOWN): |
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if (t.cur.y < rows.rownum - 1) { |
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t.cur.y++; |
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if (t.cur.x > rows.rw[t.cur.y].size) |
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t.cur.x = rows.rw[t.cur.y].size; |
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} |
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break; |
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} |
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} |
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void curUpdateRender () |
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{ |
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// y
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if (t.cur.y >= t.cur.off_y && t.cur.y < t.cur.off_y + t.dim.y) { |
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t.cur.r_y = t.cur.y - t.cur.off_y; |
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} else if (t.cur.y >= t.cur.off_y + t.dim.y) { |
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if (t.cur.y == t.cur.off_y + t.dim.y) t.cur.off_y++; |
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else t.cur.off_y += t.cur.y - (t.cur.off_y + t.dim.y); |
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t.cur.r_y = t.dim.y - 1; |
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} else if (t.cur.y < t.cur.off_y) { |
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t.cur.off_y -= t.cur.off_y - t.cur.y; |
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t.cur.r_y = 0; |
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} |
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// x
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static int i; |
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for (i = 0, t.cur.r_x = 0; i < t.cur.x; i++) { |
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if (rows.rw[t.cur.y].chars[i] == '\t') t.cur.r_x += (TABSIZE - 1) - (t.cur.r_x % TABSIZE); |
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t.cur.r_x++; |
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} |
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if (t.cur.r_x >= t.cur.off_x && t.cur.r_x < t.dim.x) { |
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//ok
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} else if (t.cur.r_x < t.cur.off_x) { |
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t.cur.off_x -= t.cur.off_x - t.cur.r_x; |
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t.cur.r_x = 0; |
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} else if (t.cur.r_x >= t.cur.off_x + t.dim.x) { |
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t.cur.off_x += t.cur.r_x - t.cur.off_x - t.dim.x; |
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t.cur.r_x = t.dim.x - 1; |
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} |
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} |
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/*--------------------------------- testing ------------------------------------*/ |
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