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config.h file

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Daniel Liu 2021-05-22 18:31:00 +02:00 committed by Michael Göhler
parent 10e3f11239
commit 41979819e7
6 changed files with 244 additions and 174 deletions
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1
AUTHORS
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@ -15,4 +15,5 @@ guobin2312
lukebond
namhyung
ethanherbertson
MrPicklePinosaur

8
README.md
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@ -62,7 +62,7 @@ Review sample.md for more details.
---
***Controls:***
***Default controls:***
- h, j, k, l, Arrow keys,
Space, Enter, Backspace,
@ -73,6 +73,12 @@ Review sample.md for more details.
- r - reload input file
- q - exit
---
***Configuration***:
A `config.h` configuration file is available in `include/`, change the settings you want and recompile.
Colors, keybindings and list types are configurable as of now. Note that configuring colors only works in 8 color mode.
---

133
include/config.h Normal file
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@ -0,0 +1,133 @@
#if !defined( CONFIG_H )
#define CONFIG_H
/*
* User configuration file
* Copyright (C) 2018 Michael Goehler
*
* This file is part of mdp.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// unordered list characters
//
// you can also override via env vars:
// export MDP_LIST_OPEN1=" " MDP_LIST_OPEN2=" " MDP_LIST_OPEN3=" "
// export MDP_LIST_HEAD1=" ■ " MDP_LIST_HEAD2=" ● " MDP_LIST_HEAD3=" ▫ "
// or export MDP_LIST_OPEN to override all MDP_LIST_OPENx variables
// and similarly for MDP_LIST_HEAD
static const char *list_open1 = " | ";
static const char *list_open2 = " | ";
static const char *list_open3 = " | ";
static const char *list_head1 = " +- ";
static const char *list_head2 = " +- ";
static const char *list_head3 = " +- ";
#define FADE_DELAY 15000 // micro seconds
#define GOTO_SLIDE_DELAY 5 // tenths of seconds
// colors - you can only set in 8-bit color mode
//
/* Use the ncurses defined colors, here's a list of them:
* COLOR_BLACK
* COLOR_RED
* COLOR_GREEN
* COLOR_YELLOW
* COLOR_BLUE
* COLOR_MAGENTA
* COLOR_CYAN
* COLOR_WHITE
*/
#define FG_COLOR COLOR_WHITE
#define BG_COLOR COLOR_BLACK
#define TITLE_COLOR COLOR_YELLOW
#define HEADER_COLOR COLOR_BLUE
#define BOLD_COLOR COLOR_RED
// color ramp for fading from black to color
static short white_ramp[24] = { 16, 232, 233, 234, 235, 236,
237, 238, 239, 240, 241, 242,
244, 245, 246, 247, 248, 249,
250, 251, 252, 253, 254, 255 };
static short blue_ramp[24] = { 16, 17, 17, 18, 18, 19,
19, 20, 20, 21, 27, 33,
32, 39, 38, 45, 44, 44,
81, 81, 51, 51, 123, 123 };
static short red_ramp[24] = { 16, 52, 52, 53, 53, 89,
89, 90, 90, 126, 127, 127,
163, 163, 164, 164, 200, 200,
201, 201, 207, 207, 213, 213 };
// color ramp for fading from white to color
static short white_ramp_invert[24] = { 15, 255, 254, 254, 252, 251,
250, 249, 248, 247, 246, 245,
243, 242, 241, 240, 239, 238,
237, 236, 235, 234, 233, 232 };
static short blue_ramp_invert[24] = { 15, 231, 231, 195, 195, 159,
159, 123, 123, 87, 51, 44,
45, 38, 39, 32, 33, 33,
26, 26, 27, 27, 21, 21 };
static short red_ramp_invert[24] = { 15, 231, 231, 224, 224, 225,
225, 218, 218, 219, 212, 213,
206, 207, 201, 200, 199, 199,
198, 198, 197, 197, 196, 196 };
// keybindings
static const int prev_slide_binding[] = {
KEY_UP,
KEY_LEFT,
KEY_PPAGE,
8, // BACKSPACE (ascii)
127, // BACKSPACE (xterm)
263, // BACKSPACE (getty)
'h',
'k',
0
};
static const int next_slide_binding[] = {
KEY_DOWN,
KEY_RIGHT,
KEY_NPAGE,
'\n', // ENTER
' ', // SPACE
'j',
'l',
0
};
static const int first_slide_binding[] = {
'g',
KEY_HOME,
0
};
static const int last_slide_binding[] = {
'G',
KEY_END,
0
};
static const int reload_binding[] = {
'r',
0
};
static const int quit_binding[] = {
'q',
0
};
#endif // !defined( CONFIG_H )

4
include/viewer.h
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@ -52,9 +52,6 @@
#define CP_YELLOW 4 // 208
#define CP_BLACK 5 // CP_WHITE with foreground and background swapped
#define FADE_DELAY 15000 // micro seconds
#define GOTO_SLIDE_DELAY 5 // tenths of seconds
int ncurses_display(deck_t *deck, int notrans, int nofade, int invert, int reload, int noreload, int slidenum, int nocodebg);
void add_line(WINDOW *window, int y, int x, line_t *line, int max_cols, int colors, int nocodebg);
void inline_display(WINDOW *window, const wchar_t *c, const int colors, int nocodebg);
@ -63,5 +60,6 @@ void fade_in(WINDOW *window, int trans, int colors, int invert);
int int_length (int val);
int get_slide_number(char init);
void setup_list_strings(void);
bool evaluate_binding(const int bindings[], char c);
#endif // !defined( VIEWER_H )

3
mdp.1
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@ -168,6 +168,9 @@ This key is disabled if input was read from standard input.
Exit
.BR mdp "."
.
.SH CUSTOMIZATION
.B mdp
can be configured by modifying config.h and recompiling.
.SH AUTHOR
Written by Michael Goehler and others, see
.IR https://github.com/visit1985/mdp/blob/master/AUTHORS "."

269
src/viewer.c
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@ -28,50 +28,7 @@
#include <unistd.h> // usleep
#include <stdlib.h> // getenv
#include "viewer.h"
// color ramp for fading from black to color
static short white_ramp[24] = { 16, 232, 233, 234, 235, 236,
237, 238, 239, 240, 241, 242,
244, 245, 246, 247, 248, 249,
250, 251, 252, 253, 254, 255 };
static short blue_ramp[24] = { 16, 17, 17, 18, 18, 19,
19, 20, 20, 21, 27, 33,
32, 39, 38, 45, 44, 44,
81, 81, 51, 51, 123, 123 };
static short red_ramp[24] = { 16, 52, 52, 53, 53, 89,
89, 90, 90, 126, 127, 127,
163, 163, 164, 164, 200, 200,
201, 201, 207, 207, 213, 213 };
// color ramp for fading from white to color
static short white_ramp_invert[24] = { 15, 255, 254, 254, 252, 251,
250, 249, 248, 247, 246, 245,
243, 242, 241, 240, 239, 238,
237, 236, 235, 234, 233, 232};
static short blue_ramp_invert[24] = { 15, 231, 231, 195, 195, 159,
159, 123, 123, 87, 51, 44,
45, 38, 39, 32, 33, 33,
26, 26, 27, 27, 21, 21};
static short red_ramp_invert[24] = { 15, 231, 231, 224, 224, 225,
225, 218, 218, 219, 212, 213,
206, 207, 201, 200, 199, 199,
198, 198, 197, 197, 196, 196};
// unordered list characters
//
// override via env vars:
// export MDP_LIST_OPEN1=" " MDP_LIST_OPEN2=" " MDP_LIST_OPEN3=" "
// export MDP_LIST_HEAD1=" ■ " MDP_LIST_HEAD2=" ● " MDP_LIST_HEAD3=" ▫ "
static const char *list_open1 = " | ";
static const char *list_open2 = " | ";
static const char *list_open3 = " | ";
static const char *list_head1 = " +- ";
static const char *list_head2 = " +- ";
static const char *list_head3 = " +- ";
#include "config.h"
int ncurses_display(deck_t *deck, int notrans, int nofade, int invert, int reload, int noreload, int slidenum, int nocodebg) {
@ -227,22 +184,22 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert, int reloa
if(notrans) {
if(invert) {
trans = 7; // white in 8 color mode
trans = FG_COLOR; // white in 8 color mode
} else {
trans = 0; // black in 8 color mode
trans = BG_COLOR; // black in 8 color mode
}
}
if(invert) {
init_pair(CP_WHITE, 0, trans);
init_pair(CP_BLACK, 7, 0);
init_pair(CP_WHITE, BG_COLOR, trans);
init_pair(CP_BLACK, FG_COLOR, BG_COLOR);
} else {
init_pair(CP_WHITE, 7, trans);
init_pair(CP_BLACK, 0, 7);
init_pair(CP_WHITE, FG_COLOR, trans);
init_pair(CP_BLACK, BG_COLOR, FG_COLOR);
}
init_pair(CP_BLUE, 4, trans);
init_pair(CP_RED, 1, trans);
init_pair(CP_YELLOW, 3, trans);
init_pair(CP_BLUE, HEADER_COLOR, trans);
init_pair(CP_RED, BOLD_COLOR, trans);
init_pair(CP_YELLOW, TITLE_COLOR, trans);
}
colors = 1;
@ -385,138 +342,99 @@ int ncurses_display(deck_t *deck, int notrans, int nofade, int invert, int reloa
// evaluate user input
i = 0;
switch(c) {
if (evaluate_binding(prev_slide_binding, c)) {
// show previous slide or stop bit
case KEY_UP:
case KEY_LEFT:
case KEY_PPAGE:
case 8: // BACKSPACE (ascii)
case 127: // BACKSPACE (xterm)
case 263: // BACKSPACE (getty)
case 'h':
case 'k':
if(stop > 1 || (stop == 1 && !line)) {
// show current slide again
// but stop one stop bit earlier
slide->stop--;
fade = false;
if(stop > 1 || (stop == 1 && !line)) {
// show current slide again
// but stop one stop bit earlier
slide->stop--;
fade = false;
} else {
if(slide->prev) {
// show previous slide
slide = slide->prev;
sc--;
//stop on first bullet point always
if(slide->stop > 0)
slide->stop = 0;
} else {
if(slide->prev) {
// show previous slide
slide = slide->prev;
sc--;
//stop on first bullet point always
if(slide->stop > 0)
slide->stop = 0;
} else {
// do nothing
fade = false;
}
// do nothing
fade = false;
}
break;
}
} else if (evaluate_binding(next_slide_binding, c)) {
// show next slide or stop bit
case KEY_DOWN:
case KEY_RIGHT:
case KEY_NPAGE:
case '\n': // ENTER
case ' ': // SPACE
case 'j':
case 'l':
if(stop && line) {
// show current slide again
// but stop one stop bit later (or at end of slide)
slide->stop++;
fade = false;
if(stop && line) {
// show current slide again
// but stop one stop bit later (or at end of slide)
slide->stop++;
fade = false;
} else {
if(slide->next) {
// show next slide
slide = slide->next;
sc++;
} else {
if(slide->next) {
// show next slide
slide = slide->next;
sc++;
} else {
// do nothing
fade = false;
}
// do nothing
fade = false;
}
break;
}
} else if (isdigit(c) && c != '0') {
// show slide n
case '9':
case '8':
case '7':
case '6':
case '5':
case '4':
case '3':
case '2':
case '1':
i = get_slide_number(c);
if(i > 0 && i <= deck->slides) {
while(sc != i) {
// search forward
if(sc < i) {
if(slide->next) {
slide = slide->next;
sc++;
}
// search backward
} else {
if(slide->prev) {
slide = slide->prev;
sc--;
}
}
}
} else {
// disable fading if slide n doesn't exist
fade = false;
}
break;
// show first slide
case 'g':
case KEY_HOME:
slide = deck->slide;
sc = 1;
break;
// show last slide
case 'G':
case KEY_END:
for(i = sc; i <= deck->slides; i++) {
if(slide->next) {
i = get_slide_number(c);
if(i > 0 && i <= deck->slides) {
while(sc != i) {
// search forward
if(sc < i) {
if(slide->next) {
slide = slide->next;
sc++;
}
// search backward
} else {
if(slide->prev) {
slide = slide->prev;
sc--;
}
}
}
break;
// reload
case 'r':
if(noreload == 0) {
// reload slide N
reload = sc;
slide = NULL;
} else {
// disable fading if reload is not possible
fade = false;
} else {
// disable fading if slide n doesn't exist
fade = false;
}
} else if (evaluate_binding(first_slide_binding, c)) {
// show first slide
slide = deck->slide;
sc = 1;
} else if (evaluate_binding(last_slide_binding, c)) {
// show last slide
for(i = sc; i <= deck->slides; i++) {
if(slide->next) {
slide = slide->next;
sc++;
}
break;
// quit
case 'q':
// do not fade out on exit
fade = false;
// do not reload
reload = 0;
}
} else if (evaluate_binding(reload_binding, c)) {
// reload
if(noreload == 0) {
// reload slide N
reload = sc;
slide = NULL;
break;
default:
// disable fading on undefined key press
} else {
// disable fading if reload is not possible
fade = false;
break;
}
} else if (evaluate_binding(quit_binding, c)) {
// quit
// do not fade out on exit
fade = false;
// do not reload
reload = 0;
slide = NULL;
} else {
// disable fading on undefined key press
fade = false;
}
// fade out
@ -998,3 +916,14 @@ int get_slide_number(char init) {
cbreak(); // go back to cbreak
return retval;
}
bool evaluate_binding(const int bindings[], char c) {
int binding;
int ind = 0;
while((binding = bindings[ind]) != 0) {
if (c == binding) return true;
ind++;
}
return false;
}