aboutsummaryrefslogtreecommitdiffstats
path: root/sway/commands/gaps.c
blob: 021df843aba7c003593ffb619ff28666815d1fb6 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
#include <string.h>
#include <strings.h>
#include "sway/commands.h"
#include "sway/config.h"
#include "sway/tree/arrange.h"
#include "sway/tree/workspace.h"
#include "log.h"
#include "stringop.h"
#include <math.h>

enum gaps_op {
	GAPS_OP_SET,
	GAPS_OP_ADD,
	GAPS_OP_SUBTRACT
};

struct gaps_data {
	bool inner;
	struct {
		bool top;
		bool right;
		bool bottom;
		bool left;
	} outer;
	enum gaps_op operation;
	int amount;
};

// Prevent negative outer gaps from moving windows out of the workspace.
static void prevent_invalid_outer_gaps(void) {
	if (config->gaps_outer.top < -config->gaps_inner) {
		config->gaps_outer.top = -config->gaps_inner;
	}
	if (config->gaps_outer.right < -config->gaps_inner) {
		config->gaps_outer.right = -config->gaps_inner;
	}
	if (config->gaps_outer.bottom < -config->gaps_inner) {
		config->gaps_outer.bottom = -config->gaps_inner;
	}
	if (config->gaps_outer.left < -config->gaps_inner) {
		config->gaps_outer.left = -config->gaps_inner;
	}
}

// gaps inner|outer|horizontal|vertical|top|right|bottom|left <px>
static const char expected_defaults[] =
	"'gaps inner|outer|horizontal|vertical|top|right|bottom|left <px>'";
static struct cmd_results *gaps_set_defaults(int argc, char **argv) {
	struct cmd_results *error = checkarg(argc, "gaps", EXPECTED_EQUAL_TO, 2);
	if (error) {
		return error;
	}

	char *end;
	int amount = strtol(argv[1], &end, 10);
	if (strlen(end) && strcasecmp(end, "px") != 0) {
		return cmd_results_new(CMD_INVALID, "Expected %s", expected_defaults);
	}

	bool valid = false;
	if (!strcasecmp(argv[0], "inner")) {
		valid = true;
		config->gaps_inner = (amount >= 0) ? amount : 0;
	} else {
		if (!strcasecmp(argv[0], "outer") || !strcasecmp(argv[0], "vertical")
				|| !strcasecmp(argv[0], "top")) {
			valid = true;
			config->gaps_outer.top = amount;
		}
		if (!strcasecmp(argv[0], "outer") || !strcasecmp(argv[0], "horizontal")
				|| !strcasecmp(argv[0], "right")) {
			valid = true;
			config->gaps_outer.right = amount;
		}
		if (!strcasecmp(argv[0], "outer") || !strcasecmp(argv[0], "vertical")
				|| !strcasecmp(argv[0], "bottom")) {
			valid = true;
			config->gaps_outer.bottom = amount;
		}
		if (!strcasecmp(argv[0], "outer") || !strcasecmp(argv[0], "horizontal")
				|| !strcasecmp(argv[0], "left")) {
			valid = true;
			config->gaps_outer.left = amount;
		}
	}
	if (!valid) {
		return cmd_results_new(CMD_INVALID, "Expected %s", expected_defaults);
	}

	prevent_invalid_outer_gaps();
	return cmd_results_new(CMD_SUCCESS, NULL);
}

static void apply_gaps_op(int *prop, enum gaps_op op, int amount) {
	switch (op) {
	case GAPS_OP_SET:
		*prop = amount;
		break;
	case GAPS_OP_ADD:
		*prop += amount;
		break;
	case GAPS_OP_SUBTRACT:
		*prop -= amount;
		break;
	}
}

static void configure_gaps(struct sway_workspace *ws, void *_data) {
	// Apply operation to gaps
	struct gaps_data *data = _data;
	if (data->inner) {
		apply_gaps_op(&ws->gaps_inner, data->operation, data->amount);
	}
	if (data->outer.top) {
		apply_gaps_op(&(ws->gaps_outer.top), data->operation, data->amount);
	}
	if (data->outer.right) {
		apply_gaps_op(&(ws->gaps_outer.right), data->operation, data->amount);
	}
	if (data->outer.bottom) {
		apply_gaps_op(&(ws->gaps_outer.bottom), data->operation, data->amount);
	}
	if (data->outer.left) {
		apply_gaps_op(&(ws->gaps_outer.left), data->operation, data->amount);
	}

	// Prevent invalid gaps configurations.
	if (ws->gaps_inner < 0) {
		ws->gaps_inner = 0;
	}
	prevent_invalid_outer_gaps();
	arrange_workspace(ws);
}

// gaps inner|outer|horizontal|vertical|top|right|bottom|left current|all
// set|plus|minus <px>
static const char expected_runtime[] = "'gaps inner|outer|horizontal|vertical|"
	"top|right|bottom|left current|all set|plus|minus <px>'";
static struct cmd_results *gaps_set_runtime(int argc, char **argv) {
	struct cmd_results *error = checkarg(argc, "gaps", EXPECTED_EQUAL_TO, 4);
	if (error) {
		return error;
	}
	if (!root->outputs->length) {
		return cmd_results_new(CMD_INVALID,
				"Can't run this command while there's no outputs connected.");
	}

	struct gaps_data data = {0};

	if (strcasecmp(argv[0], "inner") == 0) {
		data.inner = true;
	} else {
		data.outer.top = !strcasecmp(argv[0], "outer") ||
			!strcasecmp(argv[0], "vertical") || !strcasecmp(argv[0], "top");
		data.outer.right = !strcasecmp(argv[0], "outer") ||
			!strcasecmp(argv[0], "horizontal") || !strcasecmp(argv[0], "right");
		data.outer.bottom = !strcasecmp(argv[0], "outer") ||
			!strcasecmp(argv[0], "vertical") || !strcasecmp(argv[0], "bottom");
		data.outer.left = !strcasecmp(argv[0], "outer") ||
			!strcasecmp(argv[0], "horizontal") || !strcasecmp(argv[0], "left");
	}
	if (!data.inner && !data.outer.top && !data.outer.right &&
			!data.outer.bottom && !data.outer.left) {
		return cmd_results_new(CMD_INVALID, "Expected %s", expected_runtime);
	}

	bool all;
	if (strcasecmp(argv[1], "current") == 0) {
		all = false;
	} else if (strcasecmp(argv[1], "all") == 0) {
		all = true;
	} else {
		return cmd_results_new(CMD_INVALID, "Expected %s", expected_runtime);
	}

	if (strcasecmp(argv[2], "set") == 0) {
		data.operation = GAPS_OP_SET;
	} else if (strcasecmp(argv[2], "plus") == 0) {
		data.operation = GAPS_OP_ADD;
	} else if (strcasecmp(argv[2], "minus") == 0) {
		data.operation = GAPS_OP_SUBTRACT;
	} else {
		return cmd_results_new(CMD_INVALID, "Expected %s", expected_runtime);
	}

	char *end;
	data.amount = strtol(argv[3], &end, 10);
	if (strlen(end) && strcasecmp(end, "px") != 0) {
		return cmd_results_new(CMD_INVALID, "Expected %s", expected_runtime);
	}

	if (all) {
		root_for_each_workspace(configure_gaps, &data);
	} else {
		configure_gaps(config->handler_context.workspace, &data);
	}

	return cmd_results_new(CMD_SUCCESS, NULL);
}

// gaps inner|outer|<dir>|<side> <px> - sets defaults for workspaces
// gaps inner|outer|<dir>|<side> current|all set|plus|minus <px> - runtime only
// <dir> = horizontal|vertical
// <side> = top|right|bottom|left
struct cmd_results *cmd_gaps(int argc, char **argv) {
	struct cmd_results *error = checkarg(argc, "gaps", EXPECTED_AT_LEAST, 2);
	if (error) {
		return error;
	}

	bool config_loading = !config->active || config->reloading;

	if (argc == 2) {
		return gaps_set_defaults(argc, argv);
	}
	if (argc == 4 && !config_loading) {
		return gaps_set_runtime(argc, argv);
	}
	if (config_loading) {
		return cmd_results_new(CMD_INVALID, "Expected %s", expected_defaults);
	}
	return cmd_results_new(CMD_INVALID, "Expected %s or %s",
			expected_runtime, expected_defaults);
}