void gwinPutChar(GHandle gh, char c) {
#define gcw ((GConsoleObject *)gh)
uint8_t width, fy, fp;
if (gh->vmt != &consoleVMT || !gh->font)
return;
fy = gdispGetFontMetric(gh->font, fontHeight);
fp = gdispGetFontMetric(gh->font, fontCharPadding);
#if GDISP_NEED_CLIP
gdispSetClip(gh->x, gh->y, gh->width, gh->height);
#endif
if (c == '\n') {
gcw->cx = 0;
gcw->cy += fy;
// We use lazy scrolling here and only scroll when the next char arrives
} else if (c == '\r') {
// gcw->cx = 0;
} else {
width = gdispGetCharWidth(c, gh->font) + fp;
if (gcw->cx + width >= gh->width) {
gcw->cx = 0;
gcw->cy += fy;
}
if (gcw->cy + fy > gh->height) {
#if GDISP_NEED_SCROLL
/* scroll the console */
gdispVerticalScroll(gh->x, gh->y, gh->width, gh->height, fy, gh->bgcolor);
/* reset the cursor to the start of the last line */
gcw->cx = 0;
gcw->cy = (((coord_t)(gh->height/fy))-1)*fy;
#else
/* clear the console */
gdispFillArea(gh->x, gh->y, gh->width, gh->height, gh->bgcolor);
/* reset the cursor to the top of the window */
gcw->cx = 0;
gcw->cy = 0;
#endif
}
#if GWIN_CONSOLE_USE_CLEAR_LINES
/* clear to the end of the line */
if (gcw->cx == 0)
gdispFillArea(gh->x, gh->y + gcw->cy, gh->width, fy, gh->bgcolor);
#endif
#if GWIN_CONSOLE_USE_FILLED_CHARS
gdispFillChar(gh->x + gcw->cx, gh->y + gcw->cy, c, gh->font, gh->color, gh->bgcolor);
#else
gdispDrawChar(gh->x + gcw->cx, gh->y + gcw->cy, c, gh->font, gh->color);
#endif
/* update cursor */
gcw->cx += width;
}
#undef gcw
}
msg_t lcdConsolePut(GConsole *console, char c) {
uint8_t width;
if(c == '\n') {
/* clear the text at the end of the line */
if(console->cx < console->sx)
gdispFillArea(console->x0 + console->cx, console->y0 + console->cy,
console->sx - console->cx, console->fy,
console->bkcolor);
console->cx = 0;
console->cy += console->fy;
} else if(c == '\r') {
/* TODO: work backwards through the buffer to the start of the current line */
//console->cx = 0;
} else {
width = gdispGetCharWidth(c, console->font) + console->fp;
if((console->cx + width) >= console->sx) {
/* clear the text at the end of the line */
if (console->cy <= console->sy)
gdispFillArea(console->x0 + console->cx, console->y0 + console->cy,
console->sx - (console->cx + width), console->fy,
console->bkcolor);
console->cx = 0;
console->cy += console->fy;
}
if((console->cy > console->sy)) {
#if GDISP_NEED_SCROLL
/* scroll the console */
gdispVerticalScroll(console->x0, console->y0, console->sx,
console->sy + console->fy, console->fy, console->bkcolor);
/* reset the cursor to the start of the line */
console->cx = 0;
console->cy = console->sy;
#else
/* clear the console */
gdispFillArea(console->x0, console->y0,
console->sx, console->sy + console->fy,
console->bkcolor);
/* reset the cursor to the top of the console */
console->cx = 0;
console->cy = 0;
#endif
}
gdispDrawChar(console->x0 + console->cx, console->y0 + console->cy, c,
console->font, console->color);
/* update cursor */
console->cx += width;
}
return RDY_OK;
}
void gwinPutChar(GHandle gh, char c) {
#define gcw ((GConsoleObject *)gh)
uint8_t width, fy;
if (gh->vmt != &consoleVMT || !gh->font)
return;
fy = gdispGetFontMetric(gh->font, fontHeight);
#if GWIN_CONSOLE_ESCSEQ
/**
* Handle escape sequences
* ESC color Change subsequent text color
* color: "0" = black, "1" = red, "2" = green, "3" = yellow, "4" = blue,
* "5" = magenta, "6" = cyan, "7" = white
* ESC C Revert subsequent text color to the window default
* ESC u Turn on underline
* ESC U Turn off underline
* ESC b Turn on bold
* ESC B Turn off bold
* ESC J Clear the window
*/
switch (gcw->escstate) {
case 1:
gcw->escstate = 0;
if (ESCtoAttr(c, &gcw->currattr)) {
if (gcw->cx == 0 && gcw->cy == 0)
gcw->startattr = gcw->currattr;
else {
putCharInBuffer(gcw, 27);
putCharInBuffer(gcw, c);
}
} else {
switch(c) {
case 'J':
// Clear the console and reset the cursor
clearBuffer(gcw);
if (DrawStart(gh)) {
gdispGFillArea(gh->display, gh->x, gh->y, gh->width, gh->height, gh->bgcolor);
DrawEnd(gh);
}
gcw->cx = 0;
gcw->cy = 0;
gcw->startattr = gcw->currattr;
break;
}
}
return;
}
#endif
/**
* Special Characters:
*
* Carriage returns and line feeds (\r & \n) are handled in unix terminal cooked mode; that is,
* line feeds perform both actions and carriage-returns are ignored.
*
* if GWIN_CONSOLE_ESCSEQ is turned on then ESC is trapped ready for the escape command.
*
* All other characters are treated as printable.
*/
switch (c) {
case '\n':
// clear to the end of the line
#if GWIN_CONSOLE_USE_CLEAR_LINES
if (gcw->cx == 0 && gcw->cy+fy < gh->height && DrawStart(gh)) {
gdispGFillArea(gh->display, gh->x, gh->y + gcw->cy, gh->width, fy, gh->bgcolor);
DrawEnd(gh);
}
#endif
// update the cursor
gcw->cx = 0;
gcw->cy += fy;
putCharInBuffer(gcw, '\n');
// We use lazy scrolling here and only scroll when the next char arrives
return;
case '\r':
// gcw->cx = 0;
return;
#if GWIN_CONSOLE_ESCSEQ
case 27: // ESC
gcw->escstate = 1;
return;
#endif
}
// Characters with no width are ignored
if (!(width = gdispGetCharWidth(c, gh->font)))
return;
// Allow space for (very crude) bold
#if GWIN_CONSOLE_ESCSEQ
if ((gcw->currattr & ESC_BOLD))
width++;
#endif
// Do we need to go to the next line to fit this character?
if (gcw->cx + width >= gh->width) {
gcw->cx = 0;
gcw->cy += fy;
putCharInBuffer(gcw, '\n');
}
// Do we need to scroll to fit this character?
if (gcw->cy + fy > gh->height) {
#if GWIN_CONSOLE_USE_HISTORY && GWIN_CONSOLE_BUFFER_SCROLLING
if (gcw->buffer) {
// Scroll the buffer and then redraw using the buffer
scrollBuffer(gcw);
if (DrawStart(gh)) {
HistoryuRedraw(gh);
DrawEnd(gh);
}
} else
#endif
#if GDISP_NEED_SCROLL
{
// Scroll the console using hardware
scrollBuffer(gcw);
if (DrawStart(gh)) {
gdispGVerticalScroll(gh->display, gh->x, gh->y, gh->width, gh->height, fy, gh->bgcolor);
DrawEnd(gh);
}
// Set the cursor to the start of the last line
gcw->cx = 0;
gcw->cy = (((coord_t)(gh->height/fy))-1)*fy;
}
#else
{
// Clear the console and reset the cursor
clearBuffer(gcw);
if (DrawStart(gh)) {
gdispGFillArea(gh->display, gh->x, gh->y, gh->width, gh->height, gh->bgcolor);
DrawEnd(gh);
}
gcw->cx = 0;
gcw->cy = 0;
#if GWIN_CONSOLE_ESCSEQ
gcw->startattr = gcw->currattr;
#endif
}
#endif
}
// Save the char
putCharInBuffer(gcw, c);
// Draw the character
if (DrawStart(gh)) {
// If we are at the beginning of a new line clear the line
#if GWIN_CONSOLE_USE_CLEAR_LINES
if (gcw->cx == 0)
gdispGFillArea(gh->display, gh->x, gh->y + gcw->cy, gh->width, fy, gh->bgcolor);
#endif
#if GWIN_CONSOLE_USE_FILLED_CHARS
gdispGFillChar(gh->display, gh->x + gcw->cx, gh->y + gcw->cy, c, gh->font, ESCPrintColor(gcw), gh->bgcolor);
#else
gdispGDrawChar(gh->display, gh->x + gcw->cx, gh->y + gcw->cy, c, gh->font, ESCPrintColor(gcw));
#endif
#if GWIN_CONSOLE_ESCSEQ
// Draw the underline
if ((gcw->currattr & ESC_UNDERLINE))
gdispGDrawLine(gh->display, gh->x + gcw->cx, gh->y + gcw->cy + fy - gdispGetFontMetric(gh->font, fontDescendersHeight),
gh->x + gcw->cx + width + gdispGetFontMetric(gh->font, fontCharPadding), gh->y + gcw->cy + fy - gdispGetFontMetric(gh->font, fontDescendersHeight),
ESCPrintColor(gcw));
// Bold (very crude)
if ((gcw->currattr & ESC_BOLD))
gdispGDrawChar(gh->display, gh->x + gcw->cx + 1, gh->y + gcw->cy, c, gh->font, ESCPrintColor(gcw));
#endif
DrawEnd(gh);
}
// Update the cursor
gcw->cx += width + gdispGetFontMetric(gh->font, fontCharPadding);
#undef gcw
}
