7d2076cbff
This fixes the behavior of `__focused__` when there is no focused view to match i3's behavior of successfully matching no views instead of returning an error of a missing value. It also applies the same logic when a token is not applicable (or unset) for a view such as `app_id` for a focused xwayland view or `class` for a focused xdg-shell view. This adds an `autofail` boolean to `struct criteria`. If it is set to `true`, then `criteria_matches_view` will immediately bail out as a no match. If `autofail` is set, the criteria will also not be considered empty by `criteria_is_empty`. To set this new `autofail` property, `get_focused_prop` will now take in a boolean pointer of the same name. If `__focused__` is supported for the token and there is no focused view or the focused view does not have a value for the token, then the boolean will be set to true. In `parse_token`, the boolean value will be checked and if set to true, then `criteria->autofail` will be set to true and `parse_token` will bail successfully. Tokens will still be parsed to make sure the whole criteria is syntactically valid, which is also why `&criteria->autofail` is not passed to `get_focused_prop` and a local boolean is declared in `parse_token`.
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
#ifndef _SWAY_CRITERIA_H
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#define _SWAY_CRITERIA_H
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#include <pcre.h>
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#include "config.h"
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#include "list.h"
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#include "tree/view.h"
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enum criteria_type {
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CT_COMMAND = 1 << 0,
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CT_ASSIGN_OUTPUT = 1 << 1,
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CT_ASSIGN_WORKSPACE = 1 << 2,
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CT_ASSIGN_WORKSPACE_NUMBER = 1 << 3,
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CT_NO_FOCUS = 1 << 4,
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};
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struct criteria {
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enum criteria_type type;
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char *raw; // entire criteria string (for logging)
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char *cmdlist;
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char *target; // workspace or output name for `assign` criteria
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bool autofail; // __focused__ while no focus or n/a for focused view
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pcre *title;
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pcre *shell;
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pcre *app_id;
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pcre *con_mark;
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uint32_t con_id; // internal ID
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#if HAVE_XWAYLAND
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pcre *class;
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uint32_t id; // X11 window ID
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pcre *instance;
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pcre *window_role;
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enum atom_name window_type;
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#endif
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bool floating;
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bool tiling;
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char urgent; // 'l' for latest or 'o' for oldest
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pcre *workspace;
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};
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bool criteria_is_empty(struct criteria *criteria);
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void criteria_destroy(struct criteria *criteria);
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/**
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* Generate a criteria struct from a raw criteria string such as
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* [class="foo" instance="bar"] (brackets inclusive).
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*
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* The error argument is expected to be an address of a null pointer. If an
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* error is encountered, the function will return NULL and the pointer will be
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* changed to point to the error string. This string should be freed afterwards.
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*/
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struct criteria *criteria_parse(char *raw, char **error);
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/**
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* Compile a list of criterias matching the given view.
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*
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* Criteria types can be bitwise ORed.
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*/
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list_t *criteria_for_view(struct sway_view *view, enum criteria_type types);
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/**
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* Compile a list of views matching the given criteria.
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*/
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list_t *criteria_get_views(struct criteria *criteria);
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#endif
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