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[windows] handle terminal resize, based on links2 code

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This commit is contained in:
Witold Filipczyk 2023-11-08 17:29:58 +01:00
parent c4add15307
commit 98a9cbf2b7
2 changed files with 59 additions and 16 deletions
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72
src/osdep/win32/win32.c
View File

@ -31,6 +31,7 @@
#include "elinks.h" #include "elinks.h"
#include "main/select.h" #include "main/select.h"
#include "main/timer.h"
#include "osdep/win32/win32.h" #include "osdep/win32/win32.h"
#include "osdep/osdep.h" #include "osdep/osdep.h"
#include "terminal/terminal.h" #include "terminal/terminal.h"
@ -70,21 +71,58 @@ terminate_osdep(void)
{ {
} }
int int
get_system_env(void) get_system_env(void)
{ {
return (0); return (0);
} }
void /* Terminal size */
handle_terminal_resize(int fd, void (*fn)()) static void (*terminal_resize_callback)(void);
static timer_id_T terminal_resize_timer = TIMER_ID_UNDEF;
static int old_xsize, old_ysize;
static void
terminal_resize_fn(void *unused)
{ {
int cur_xsize, cur_ysize;
int cw, ch;
install_timer(&terminal_resize_timer, TERMINAL_POLL_TIMEOUT, terminal_resize_fn, NULL);
get_terminal_size(0, &cur_xsize, &cur_ysize, &cw, &ch);
if ((old_xsize != cur_xsize) || (old_ysize != cur_ysize)) {
old_xsize = cur_xsize;
old_ysize = cur_ysize;
(*terminal_resize_callback)();
}
} }
void static void terminal_resize_poll(int x, int y)
unhandle_terminal_resize(int fd)
{ {
if (terminal_resize_timer != TIMER_ID_UNDEF) {
elinks_internal("terminal_resize_poll: timer already active");
}
old_xsize = x;
old_ysize = y;
install_timer(&terminal_resize_timer, TERMINAL_POLL_TIMEOUT, terminal_resize_fn, NULL);
}
void handle_terminal_resize(int fd, void (*fn)(void))
{
int x, y;
int cw, ch;
terminal_resize_callback = fn;
get_terminal_size(fd, &x, &y, &cw, &ch);
terminal_resize_poll(x, y);
}
void unhandle_terminal_resize(int fd)
{
if (terminal_resize_timer != TIMER_ID_UNDEF) {
kill_timer(&terminal_resize_timer);
}
} }
void void
@ -94,22 +132,26 @@ get_terminal_size(int fd, int *x, int *y, int *cw, int *ch)
GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi); GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
if (!*x) { if (x) {
*x = get_e("COLUMNS"); *x = csbi.srWindow.Right - csbi.srWindow.Left + 1;
if (!*x)
*x = csbi.srWindow.Right - csbi.srWindow.Left + 1; if (!*x) {
*x = get_e("COLUMNS");
}
} }
if (!*y) { if (y) {
*y = get_e("LINES"); *y = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
if (!*y)
*y = csbi.srWindow.Bottom - csbi.srWindow.Top + 1; if (!*y) {
*y = get_e("LINES");
}
} }
if (!*cw) { if (cw) {
*cw = 8; *cw = 8;
} }
if (!*ch) { if (ch) {
*ch = 16; *ch = 16;
} }
} }

3
src/setup.h
View File

@ -122,6 +122,7 @@
* to fit in the screen, with this much extra space. Try 4. */ * to fit in the screen, with this much extra space. Try 4. */
#define TABLE_LINE_PADDING -1 #define TABLE_LINE_PADDING -1
#define FG_POLL_TIME 500 #define FG_POLL_TIME 500
#define TERMINAL_POLL_TIMEOUT 1000
#endif #endif