62643017c
Denys Vlasenko
2017-09-13
Subject
hexedit: implement page up/down
Binary
No binary (build failed)
Architecture & Compiler Flags
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Build Log
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Commit Diff GitHub →
miscutils/hexedit.c+13 -1
| @@ -236,7 +236,7 @@ int hexedit_main(int argc UNUSED_PARAM, char **argv) | |
| redraw(); | |
| printf(ESC"[1;10H"); /* position on 1st hex byte in first line */ | |
| - | //TODO: //PgUp/PgDown; Home/End: start/end of line; '<'/'>': start/end of file |
| + | //TODO: //Home/End: start/end of line; '<'/'>': start/end of file |
| //Backspace: undo | |
| //Enter: goto specified position | |
| //Ctrl-L: redraw | |
| @@ -249,12 +249,14 @@ int hexedit_main(int argc UNUSED_PARAM, char **argv) | |
| for (;;) { | |
| char read_key_buffer[KEYCODE_BUFFER_SIZE]; | |
| + | unsigned cnt; |
| int32_t key; | |
| uint8_t byte; | |
| fflush_all(); | |
| key = read_key(STDIN_FILENO, read_key_buffer, -1); | |
| + | cnt = 1; |
| switch (key) { | |
| case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': | |
| case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': | |
| @@ -307,7 +309,10 @@ int hexedit_main(int argc UNUSED_PARAM, char **argv) | |
| putchar(' '); | |
| } | |
| break; | |
| + | case KEYCODE_PAGEDOWN: |
| + | cnt = G.height; |
| case KEYCODE_DOWN: | |
| + | k_down: |
| G.current_byte += 16; | |
| if (G.current_byte >= G.eof_byte) { | |
| move_mapping_further(); | |
| @@ -324,6 +329,8 @@ int hexedit_main(int argc UNUSED_PARAM, char **argv) | |
| row--; | |
| redraw_cur_line(); | |
| } | |
| + | if (--cnt) |
| + | goto k_down; |
| break; | |
| case KEYCODE_LEFT: | |
| @@ -348,7 +355,10 @@ int hexedit_main(int argc UNUSED_PARAM, char **argv) | |
| G.current_byte--; | |
| printf(ESC"[2D"); | |
| break; | |
| + | case KEYCODE_PAGEUP: |
| + | cnt = G.height; |
| case KEYCODE_UP: | |
| + | k_up: |
| if ((G.current_byte - G.addr) < 16) { | |
| move_mapping_lower(); | |
| if ((G.current_byte - G.addr) < 16) | |
| @@ -364,6 +374,8 @@ int hexedit_main(int argc UNUSED_PARAM, char **argv) | |
| printf(ESC"M"); /* scroll up */ | |
| redraw_cur_line(); | |
| } | |
| + | if (--cnt) |
| + | goto k_up; |
| break; | |
| } | |
| } | |