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WindowServer+LibGUI: Allow arbitrary number of rects in messages.

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To get truly atomic updates, add a mechanism for passing arbitrary amounts
of extra data along with WindowServer messages. This allows us to pass all
the rects in a single message.
This commit is contained in:
Andreas Kling 2019-04-22 01:15:47 +02:00
parent f9d3abf5d0
commit 9f122bff5a
12 changed files with 167 additions and 60 deletions
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7
Servers/WindowServer/WSAPITypes.h
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@ -109,12 +109,14 @@ struct WSAPI_ServerMessage {
};
Type type { Invalid };
int window_id { -1 };
unsigned extra_size { 0 };
union {
int text_length { 0 };
int rect_count;
};
static const int max_inline_rect_count = 1;
union {
char text[512];
WSAPI_Rect rects[32];
@ -214,13 +216,16 @@ struct WSAPI_ClientMessage {
};
Type type { Invalid };
int window_id { -1 };
unsigned extra_size { 0 };
union {
int text_length { 0 };
int rect_count;
};
static const int max_inline_rect_count = 1;
union {
char text[512];
WSAPI_Rect rects[32];
WSAPI_Rect rects[max_inline_rect_count];
};
int value { 0 };