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Flip direction of window pos/size queries.

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Similarly to other recent changes, the frontend now proactively keeps
Terminal up to date with the current position and size of the terminal
window, so that escape-sequence queries can be answered immediately
from the Terminal's own internal data structures without needing a
call back to the frontend.

Mostly this has let me remove explicit window-system API calls that
retrieve the window position and size, in favour of having the front
ends listen for WM_MOVE / WM_SIZE / ConfigureNotify events and track
the position and size that way. One exception is that the window pixel
size is still requested by Seat via a callback, to put in the
wire-encoded termios settings. That won't be happening very much, so
I'm leaving it this way round for the moment.
This commit is contained in:
Simon Tatham
2021-02-07 19:59:21 +00:00
parent ca9cd983e1
commit 696550a5f2
6 changed files with 70 additions and 90 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
putty.h
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@ -1282,9 +1282,6 @@ struct TermWinVtable {
* colours stored in Conf. The front end should set any it cares
* about by calling term_palette_override. */
void (*palette_get_overrides)(TermWin *);
void (*get_pos)(TermWin *, int *x, int *y);
void (*get_pixels)(TermWin *, int *x, int *y);
};
static inline bool win_setup_draw_ctx(TermWin *win)
@ -1327,8 +1324,6 @@ static inline void win_set_icon_title(TermWin *win, const char *icontitle)
{ win->vt->set_icon_title(win, icontitle); }
static inline void win_set_minimised(TermWin *win, bool minimised)
{ win->vt->set_minimised(win, minimised); }
static inline bool win_is_minimised(TermWin *win)
{ return win->vt->is_minimised(win); }
static inline void win_set_maximised(TermWin *win, bool maximised)
{ win->vt->set_maximised(win, maximised); }
static inline void win_move(TermWin *win, int x, int y)
@ -1340,10 +1335,6 @@ static inline void win_palette_set(
{ win->vt->palette_set(win, start, ncolours, colours); }
static inline void win_palette_get_overrides(TermWin *win)
{ win->vt->palette_get_overrides(win); }
static inline void win_get_pos(TermWin *win, int *x, int *y)
{ win->vt->get_pos(win, x, y); }
static inline void win_get_pixels(TermWin *win, int *x, int *y)
{ win->vt->get_pixels(win, x, y); }
/*
* Global functions not specific to a connection instance.
@ -1773,6 +1764,8 @@ void term_get_cursor_position(Terminal *term, int *x, int *y);
void term_setup_window_titles(Terminal *term, const char *title_hostname);
void term_notify_minimised(Terminal *term, bool minimised);
void term_notify_palette_overrides_changed(Terminal *term);
void term_notify_window_pos(Terminal *term, int x, int y);
void term_notify_window_size_pixels(Terminal *term, int x, int y);
void term_palette_override(Terminal *term, unsigned osc4_index, rgb rgb);
typedef enum SmallKeypadKey {