Browse Source
* Improvements to FTDI DLCache functionality. * Better handling of long file names in Touch UI - Long file names now truncated and shown with ellipsis. - Increased display cache buffer to allow for longer filenames. - Visual error message when display cache is exceeded.vanilla_fb_2.0.x
Marcio T
4 years ago
committed by
GitHub
GitHub
9 changed files with 187 additions and 52 deletions
@ -0,0 +1,80 @@ |
|||
/*********************
|
|||
* text_ellipsis.cpp * |
|||
*********************/ |
|||
|
|||
/****************************************************************************
|
|||
* Written By Marcio Teixeira 2019 - Aleph Objects, Inc. * |
|||
* * |
|||
* This program is free software: you can redistribute it and/or modify * |
|||
* it under the terms of the GNU General Public License as published by * |
|||
* the Free Software Foundation, either version 3 of the License, or * |
|||
* (at your option) any later version. * |
|||
* * |
|||
* This program is distributed in the hope that it will be useful, * |
|||
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
|||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
|||
* GNU General Public License for more details. * |
|||
* * |
|||
* To view a copy of the GNU General Public License, go to the following * |
|||
* location: <https://www.gnu.org/licenses/>. *
|
|||
****************************************************************************/ |
|||
|
|||
#include "ftdi_extended.h" |
|||
|
|||
#ifdef FTDI_EXTENDED |
|||
|
|||
namespace FTDI { |
|||
|
|||
/**
|
|||
* Helper function for drawing text with ellipses. The str buffer may be modified and should have space for up to two extra characters. |
|||
*/ |
|||
static void _draw_text_with_ellipsis(CommandProcessor& cmd, int16_t x, int16_t y, int16_t w, int16_t h, char *str, uint16_t options, uint8_t font) { |
|||
FontMetrics fm(font); |
|||
const uint16_t ellipsisWidth = fm.get_char_width('.') * 3; |
|||
|
|||
// Compute the total line length, as well as
|
|||
// the location in the string where it can
|
|||
// split and still allow the ellipsis to fit.
|
|||
uint16_t lineWidth = 0; |
|||
char *breakPoint = str; |
|||
for(char* c = str; *c; c++) { |
|||
lineWidth += fm.get_char_width(*c); |
|||
if(lineWidth + ellipsisWidth < w) |
|||
breakPoint = c; |
|||
} |
|||
|
|||
if(lineWidth > w) { |
|||
*breakPoint = '\0'; |
|||
strcpy_P(breakPoint,PSTR("...")); |
|||
} |
|||
|
|||
cmd.apply_text_alignment(x, y, w, h, options); |
|||
#ifdef TOUCH_UI_USE_UTF8 |
|||
if (has_utf8_chars(str)) { |
|||
draw_utf8_text(cmd, x, y, str, font_size_t::from_romfont(font), options); |
|||
} else |
|||
#endif |
|||
{ |
|||
cmd.CLCD::CommandFifo::text(x, y, font, options); |
|||
cmd.CLCD::CommandFifo::str(str); |
|||
} |
|||
} |
|||
|
|||
/**
|
|||
* These functions draws text inside a bounding box, truncating the text and |
|||
* adding ellipsis if the text does not fit. |
|||
*/ |
|||
void draw_text_with_ellipsis(CommandProcessor& cmd, int x, int y, int w, int h, const char *str, uint16_t options, uint8_t font) { |
|||
char tmp[strlen(str) + 3]; |
|||
strcpy(tmp, str); |
|||
_draw_text_with_ellipsis(cmd, x, y, w, h, tmp, options, font); |
|||
} |
|||
|
|||
void draw_text_with_ellipsis(CommandProcessor& cmd, int x, int y, int w, int h, progmem_str pstr, uint16_t options, uint8_t font) { |
|||
char tmp[strlen_P((const char*)pstr) + 3]; |
|||
strcpy_P(tmp, (const char*)pstr); |
|||
_draw_text_with_ellipsis(cmd, x, y, w, h, tmp, options, font); |
|||
} |
|||
} // namespace FTDI
|
|||
|
|||
#endif // FTDI_EXTENDED
|
|||
@ -0,0 +1,31 @@ |
|||
/*******************
|
|||
* text_ellipsis.h * |
|||
*******************/ |
|||
|
|||
/****************************************************************************
|
|||
* Written By Marcio Teixeira 2020 - SynDaver Labs, Inc. * |
|||
* * |
|||
* This program is free software: you can redistribute it and/or modify * |
|||
* it under the terms of the GNU General Public License as published by * |
|||
* the Free Software Foundation, either version 3 of the License, or * |
|||
* (at your option) any later version. * |
|||
* * |
|||
* This program is distributed in the hope that it will be useful, * |
|||
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
|||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
|||
* GNU General Public License for more details. * |
|||
* * |
|||
* To view a copy of the GNU General Public License, go to the following * |
|||
* location: <https://www.gnu.org/licenses/>. *
|
|||
****************************************************************************/ |
|||
|
|||
#pragma once |
|||
|
|||
/**
|
|||
* This function draws text inside a bounding box, truncating the text and |
|||
* showing ellipsis if it does not fit. |
|||
*/ |
|||
namespace FTDI { |
|||
void draw_text_with_ellipsis(class CommandProcessor& cmd, int x, int y, int w, int h, progmem_str str, uint16_t options = 0, uint8_t font = 31); |
|||
void draw_text_with_ellipsis(class CommandProcessor& cmd, int x, int y, int w, int h, const char *str, uint16_t options = 0, uint8_t font = 31); |
|||
} |
|||
Loading…
Reference in new issue