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Touch UI long filenames fixes (#19262)
* 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.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -47,4 +47,5 @@ | |
| #include "sound_list.h" | ||
| #include "polygon.h" | ||
| #include "text_box.h" | ||
| #include "text_ellipsis.h" | ||
| #endif | ||
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80 changes: 80 additions & 0 deletions
80
Marlin/src/lcd/extui/lib/ftdi_eve_touch_ui/ftdi_eve_lib/extended/text_ellipsis.cpp
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -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" | ||
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| #ifdef FTDI_EXTENDED | ||
|
|
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| namespace FTDI { | ||
|
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| /** | ||
| * 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; | ||
|
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| // 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; | ||
| } | ||
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| if(lineWidth > w) { | ||
| *breakPoint = '\0'; | ||
| strcpy_P(breakPoint,PSTR("...")); | ||
| } | ||
|
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| 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); | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * 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); | ||
| } | ||
|
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| 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 | ||
|
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| #endif // FTDI_EXTENDED |
31 changes: 31 additions & 0 deletions
31
Marlin/src/lcd/extui/lib/ftdi_eve_touch_ui/ftdi_eve_lib/extended/text_ellipsis.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -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/>. * | ||
| ****************************************************************************/ | ||
|
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| #pragma once | ||
|
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| /** | ||
| * 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); | ||
| } |
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