80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* A "match" is a data structure which acts like a mask or expression to match
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* certain windows or not. For example, when using commands, you can specify a
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* command like this: [title="*Firefox*"] kill. The title member of the match
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* data structure will then be filled and i3 will check each window using
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* match_matches_window() to find the windows affected by this command.
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*
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*/
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#include "all.h"
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/*
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* Initializes the Match data structure. This function is necessary because the
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* members representing boolean values (like dock) need to be initialized with
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* -1 instead of 0.
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*
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*/
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void match_init(Match *match) {
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memset(match, 0, sizeof(Match));
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match->dock = -1;
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}
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/*
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* Check if a match is empty. This is necessary while parsing commands to see
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* whether the user specified a match at all.
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*
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*/
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bool match_is_empty(Match *match) {
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/* we cannot simply use memcmp() because the structure is part of a
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* TAILQ and I don’t want to start with things like assuming that the
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* last member of a struct really is at the end in memory… */
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return (match->title == NULL &&
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match->mark == NULL &&
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match->application == NULL &&
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match->class == NULL &&
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match->instance == NULL &&
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match->id == XCB_NONE &&
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match->con_id == NULL &&
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match->dock == -1 &&
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match->floating == M_ANY);
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}
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/*
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* Check if a match data structure matches the given window.
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*
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*/
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bool match_matches_window(Match *match, i3Window *window) {
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/* TODO: pcre, full matching, … */
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if (match->class != NULL && window->class_class != NULL && strcasecmp(match->class, window->class_class) == 0) {
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LOG("match made by window class (%s)\n", window->class_class);
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return true;
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}
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if (match->instance != NULL && window->class_instance != NULL && strcasecmp(match->instance, window->class_instance) == 0) {
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LOG("match made by window instance (%s)\n", window->class_instance);
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return true;
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}
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if (match->id != XCB_NONE && window->id == match->id) {
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LOG("match made by window id (%d)\n", window->id);
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return true;
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}
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LOG("match->dock = %d, window->dock = %d\n", match->dock, window->dock);
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if (match->dock != -1 && window->dock == match->dock) {
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LOG("match made by dock\n");
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return true;
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}
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LOG("window %d (%s) could not be matched\n", window->id, window->class_class);
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return false;
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}
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