selection list

This commit is contained in:
olikraus 2016-05-22 21:44:20 +02:00
parent b0909d1c49
commit 5ed9b21d52
5 changed files with 163 additions and 19 deletions

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@ -666,7 +666,7 @@ uint16_t u8x8_utf8_next(u8x8_t *u8x8, uint8_t b);
void u8x8_SetFont(u8x8_t *u8x8, const uint8_t *font_8x8);
void u8x8_DrawGlyph(u8x8_t *u8x8, uint8_t x, uint8_t y, uint8_t encoding);
uint8_t u8x8_DrawString(u8x8_t *u8x8, uint8_t x, uint8_t y, const char *s);
uint8_t u8x8_DrawUTF8(u8x8_t *u8x8, uint8_t x, uint8_t y, const char *s);
uint8_t u8x8_DrawUTF8(u8x8_t *u8x8, uint8_t x, uint8_t y, const char *s); /* return number of glyps */
uint8_t u8x8_GetUTF8Len(u8x8_t *u8x8, const char *s);
#define u8x8_SetInverseFont(u8x8, b) (u8x8)->is_font_inverse_mode = (b)
@ -676,6 +676,8 @@ uint8_t u8x8_GetUTF8Len(u8x8_t *u8x8, const char *s);
uint8_t u8x8_GetStringLineCnt(const char *str);
const char *u8x8_GetStringLine(uint8_t line_idx, const char *str );
uint8_t u8x8_DrawUTF8Line(u8x8_t *u8x8, uint8_t x, uint8_t y, uint8_t w, const char *s);
uint8_t u8x8_DrawUTF8Lines(u8x8_t *u8x8, uint8_t x, uint8_t y, uint8_t w, const char *s);
/*==========================================*/
@ -730,12 +732,15 @@ struct _u8sl_struct
uint8_t total; /* total number of elements in the menu */
uint8_t first_pos; /* position of the first visible line */
uint8_t current_pos; /* current cursor position, starts at 0 */
uint8_t x;
uint8_t y;
};
typedef struct _u8sl_struct u8sl_t;
typedef void (*u8x8_sl_cb)(u8x8_t *u8x8, u8sl_t *u8sl, uint8_t idx, const void *aux);
uint8_t u8x8_UserInterfaceSelectionList(u8x8_t *u8x8, uint8_t start_pos, const char *sl);
uint8_t u8x8_UserInterfaceSelectionList(u8x8_t *u8x8, const char *title, uint8_t start_pos, const char *sl);
#ifdef __cplusplus
}

51
csrc/u8x8_message.c Normal file
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@ -0,0 +1,51 @@
/*
u8x8_message.h
Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
Copyright (c) 2016, olikraus@gmail.com
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list
of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or other
materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "u8x8.h"
void u8x8_draw_button(u8x8_t *u8x8, uint8_t x, uint8_t y, uint8_t is_highlight, const char *s)
{
if ( is_highlight )
u8x8_SetInverseFont(u8x8, 1);
else
u8x8_SetInverseFont(u8x8, 0);
u8x8_DrawUTF8(u8x8, x, y, s);
}
void u8x8_draw_button_line(u8x8_t *u8x8, uint8_t x, uint8_t y, uint8_t w, uint8_t cursor, const char *s)
{
}

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@ -1,6 +1,6 @@
/*
u8x8_sl.h
u8x8_selection_list.h
selection list with scroll option
@ -87,12 +87,9 @@ void u8x8_DrawSelectionList(u8x8_t *u8x8, u8sl_t *u8sl, u8x8_sl_cb sl_cb, const
void u8x8_sl_string_line_cb(u8x8_t *u8x8, u8sl_t *u8sl, uint8_t idx, const void *aux)
{
const char *s;
uint8_t col;
uint8_t row;
/* calculate offset from display upper border */
row = u8x8_GetRows(u8x8);
row -= u8sl->visible;
row /= 2;
row = u8sl->y;
/* calculate target pos */
row += idx;
@ -110,29 +107,42 @@ void u8x8_sl_string_line_cb(u8x8_t *u8x8, u8sl_t *u8sl, uint8_t idx, const void
/* draw the line */
if ( s == NULL )
s = "";
col = u8x8_DrawUTF8(u8x8, 0, row, s);
/* fill up the line with some more spaced */
while( col < u8x8_GetCols(u8x8) )
u8x8_DrawUTF8(u8x8, col++, row, " ");
u8x8_DrawUTF8Line(u8x8, u8sl->x, row, u8x8_GetCols(u8x8), s);
}
/*
title: NULL for no title, valid str for title line. Can contain mutliple lines, separated by '\n'
start_pos: default position for the cursor
sl: string list (list of strings separated by \n)
returns start_pos if user has pressed the home key
returns the selected line if user has pressed the select key
*/
uint8_t u8x8_UserInterfaceSelectionList(u8x8_t *u8x8, uint8_t start_pos, const char *sl)
uint8_t u8x8_UserInterfaceSelectionList(u8x8_t *u8x8, const char *title, uint8_t start_pos, const char *sl)
{
u8sl_t u8sl;
uint8_t event;
uint8_t title_lines;
u8sl.visible = u8x8_GetRows(u8x8);
u8sl.total = u8x8_GetStringLineCnt(sl);
u8sl.first_pos = 0;
u8sl.current_pos = start_pos;
u8sl.x = 0;
u8sl.y = 0;
//u8x8_ClearDisplay(u8x8); /* not required because all is 100% filled */
if ( title != NULL )
{
title_lines = u8x8_DrawUTF8Lines(u8x8, u8sl.x, u8sl.y, u8x8_GetCols(u8x8), title);
u8sl.y+=title_lines;
u8sl.visible-=title_lines;
}
if ( u8sl.current_pos >= u8sl.total )
u8sl.current_pos = u8sl.total-1;
u8x8_DrawSelectionList(u8x8, &u8sl, u8x8_sl_string_line_cb, sl);
for(;;)

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@ -2,7 +2,7 @@
u8x8_string.c
font procedures, directly interfaces display procedures
string line procedures
Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
@ -41,6 +41,8 @@ uint8_t u8x8_GetStringLineCnt(const char *str)
{
char e;
uint8_t line_cnt = 1;
if ( str == NULL )
return 0;
for(;;)
{
e = *str;
@ -86,3 +88,64 @@ const char *u8x8_GetStringLine(uint8_t line_idx, const char *str )
return NULL; /* line not found */
}
/*
Draw a string
Extend the string to size "w"
Center the string, if the first char is a '\t' (center with respect to "w")
return the size of the string
*/
uint8_t u8x8_DrawUTF8Line(u8x8_t *u8x8, uint8_t x, uint8_t y, uint8_t w, const char *s)
{
uint8_t d, lw;
uint8_t cx, dx;
d = 0;
if ( *s == '\t' )
{
s++; /* skip '\t' */
lw = u8x8_GetUTF8Len(u8x8, s);
if ( lw < w )
{
d = w;
d -=lw;
d /= 2;
}
}
cx = x;
dx = cx + d;
while( cx < dx )
{
u8x8_DrawUTF8(u8x8, cx, y, " ");
cx++;
}
cx += u8x8_DrawUTF8(u8x8, cx, y, s);
dx = x + w;
while( cx < dx )
{
u8x8_DrawUTF8(u8x8, cx, y, " ");
cx++;
}
cx -= x;
return cx;
}
/*
draw several lines at position x,y.
lines are stored in s and must be separated with '\n'.
lines can be centered with respect to "w" if the first char in the line is a '\t'
returns the number of lines in s
*/
uint8_t u8x8_DrawUTF8Lines(u8x8_t *u8x8, uint8_t x, uint8_t y, uint8_t w, const char *s)
{
uint8_t i;
uint8_t cnt;
cnt = u8x8_GetStringLineCnt(s);
for( i = 0; i < cnt; i++ )
{
u8x8_DrawUTF8Line(u8x8, x, y, w, u8x8_GetStringLine(i, s));
y++;
}
return cnt;
}

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@ -57,8 +57,8 @@
//U8X8_SSD1306_128X64_NONAME_8080 u8x8(13, 11, 2, 3, 4, 5, 6, A4, /*enable=*/ 7, /*cs=*/ 10, /*dc=*/ 9, /*reset=*/ 8);
//U8X8_ST7920_192X32_8080 u8x8(8, 9, 10, 11, 4, 5, 6, 7, /*enable=*/ 18, /*cs=*/ U8X8_PIN_NONE, /*dc=*/ 17, /*reset=*/ U8X8_PIN_NONE);
//U8X8_ST7920_192X32_6800 u8x8(8, 9, 10, 11, 4, 5, 6, 7, /*enable=*/ 18, /*cs=*/ U8X8_PIN_NONE, /*dc=*/ 17, /*reset=*/ U8X8_PIN_NONE);
//U8X8_UC1701_DOGS102_4W_SW_SPI u8x8(/* clock=*/ 13, /* data=*/ 11, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);
U8X8_UC1701_DOGS102_4W_HW_SPI u8x8(/* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);
U8X8_UC1701_DOGS102_4W_SW_SPI u8x8(/* clock=*/ 13, /* data=*/ 11, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);
//U8X8_UC1701_DOGS102_4W_HW_SPI u8x8(/* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);
@ -70,12 +70,27 @@ void setup(void) {
u8x8.setFont(u8x8_font_chroma48medium8_r);
}
const char *string_list = "000\n111\n222\n333\n444\n555\n666\n777\n888\n999";
const char *string_list =
"\tAltocumulus\n"
"\tAltostratus\n"
"\tCirrocumulus\n"
"\tCirrostratus\n"
"\tCirrus\n"
"\tCumulonimbus\n"
"\tCumulus\n"
"\tNimbostratus\n"
"\tStratocumulus\n"
"\tStratus";
uint8_t current_selection = 0;
void loop(void) {
current_selection = u8x8_UserInterfaceSelectionList(u8x8.getU8x8(), current_selection, string_list);
current_selection = u8x8_UserInterfaceSelectionList(
u8x8.getU8x8(),
"\tCloud Types\n\t-----------",
current_selection,
string_list);
}