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Move sway-specific functions in common/util.c into sway/

Browse source 
Modifier handling functions were moved into sway/input/keyboard.c;
opposite_direction for enum wlr_direction into sway/tree/output.c;
and get_parent_pid into sway/tree/root.c .
This commit is contained in:
M Stoeckl 2019-01-21 12:39:16 -05:00
parent 410c961388
commit d7ff776552
12 changed files with 135 additions and 143 deletions
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105
common/util.c
View file

@ -1,17 +1,9 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <float.h>
#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <xkbcommon/xkbcommon-names.h>
#include <wlr/types/wlr_keyboard.h>
#include "log.h"
#include "util.h"
@ -27,88 +19,6 @@ int numlen(int n) {
return log10(abs(n)) + (n > 0 ? 1 : 2);
}
static struct modifier_key {
char *name;
uint32_t mod;
} modifiers[] = {
{ XKB_MOD_NAME_SHIFT, WLR_MODIFIER_SHIFT },
{ XKB_MOD_NAME_CAPS, WLR_MODIFIER_CAPS },
{ XKB_MOD_NAME_CTRL, WLR_MODIFIER_CTRL },
{ "Ctrl", WLR_MODIFIER_CTRL },
{ XKB_MOD_NAME_ALT, WLR_MODIFIER_ALT },
{ "Alt", WLR_MODIFIER_ALT },
{ XKB_MOD_NAME_NUM, WLR_MODIFIER_MOD2 },
{ "Mod3", WLR_MODIFIER_MOD3 },
{ XKB_MOD_NAME_LOGO, WLR_MODIFIER_LOGO },
{ "Mod5", WLR_MODIFIER_MOD5 },
};
uint32_t get_modifier_mask_by_name(const char *name) {
int i;
for (i = 0; i < (int)(sizeof(modifiers) / sizeof(struct modifier_key)); ++i) {
if (strcasecmp(modifiers[i].name, name) == 0) {
return modifiers[i].mod;
}
}
return 0;
}
const char *get_modifier_name_by_mask(uint32_t modifier) {
int i;
for (i = 0; i < (int)(sizeof(modifiers) / sizeof(struct modifier_key)); ++i) {
if (modifiers[i].mod == modifier) {
return modifiers[i].name;
}
}
return NULL;
}
int get_modifier_names(const char **names, uint32_t modifier_masks) {
int length = 0;
int i;
for (i = 0; i < (int)(sizeof(modifiers) / sizeof(struct modifier_key)); ++i) {
if ((modifier_masks & modifiers[i].mod) != 0) {
names[length] = modifiers[i].name;
++length;
modifier_masks ^= modifiers[i].mod;
}
}
return length;
}
pid_t get_parent_pid(pid_t child) {
pid_t parent = -1;
char file_name[100];
char *buffer = NULL;
char *token = NULL;
const char *sep = " ";
FILE *stat = NULL;
size_t buf_size = 0;
sprintf(file_name, "/proc/%d/stat", child);
if ((stat = fopen(file_name, "r"))) {
if (getline(&buffer, &buf_size, stat) != -1) {
token = strtok(buffer, sep); // pid
token = strtok(NULL, sep); // executable name
token = strtok(NULL, sep); // state
token = strtok(NULL, sep); // parent pid
parent = strtol(token, NULL, 10);
}
free(buffer);
fclose(stat);
}
if (parent) {
return (parent == child) ? -1 : parent;
}
return -1;
}
uint32_t parse_color(const char *color) {
if (color[0] == '#') {
++color;
@ -152,18 +62,3 @@ float parse_float(const char *value) {
}
return flt;
}
enum wlr_direction opposite_direction(enum wlr_direction d) {
switch (d) {
case WLR_DIRECTION_UP:
return WLR_DIRECTION_DOWN;
case WLR_DIRECTION_DOWN:
return WLR_DIRECTION_UP;
case WLR_DIRECTION_RIGHT:
return WLR_DIRECTION_LEFT;
case WLR_DIRECTION_LEFT:
return WLR_DIRECTION_RIGHT;
}
assert(false);
return 0;
}

21
include/sway/input/keyboard.h
View file

@ -5,6 +5,27 @@
#define SWAY_KEYBOARD_PRESSED_KEYS_CAP 32
/**
* Get modifier mask from modifier name.
*
* Returns the modifer mask or 0 if the name isn't found.
*/
uint32_t get_modifier_mask_by_name(const char *name);
/**
* Get modifier name from modifier mask.
*
* Returns the modifier name or NULL if it isn't found.
*/
const char *get_modifier_name_by_mask(uint32_t modifier);
/**
* Get an array of modifier names from modifier_masks
*
* Populates the names array and return the number of names added.
*/
int get_modifier_names(const char **names, uint32_t modifier_masks);
struct sway_shortcut_state {
/**
* A list of pressed key ids (either keysyms or keycodes),

2
include/sway/output.h
View file

@ -152,4 +152,6 @@ void premultiply_alpha(float color[4], float opacity);
void scale_box(struct wlr_box *box, float scale);
enum wlr_direction opposite_direction(enum wlr_direction d);
#endif

35
include/util.h
View file

@ -3,9 +3,6 @@
#include <stdint.h>
#include <stdbool.h>
#include <unistd.h>
#include <wlr/types/wlr_output_layout.h>
#include <xkbcommon/xkbcommon.h>
/**
* Wrap i into the range [0, max[
@ -13,38 +10,10 @@
int wrap(int i, int max);
/**
* Count number of digits in int
* Count number of digits in int, including '-' sign if there is one
*/
int numlen(int n);
/**
* Get modifier mask from modifier name.
*
* Returns the modifer mask or 0 if the name isn't found.
*/
uint32_t get_modifier_mask_by_name(const char *name);
/**
* Get modifier name from modifier mask.
*
* Returns the modifier name or NULL if it isn't found.
*/
const char *get_modifier_name_by_mask(uint32_t modifier);
/**
* Get an array of modifier names from modifier_masks
*
* Populates the names array and return the number of names added.
*/
int get_modifier_names(const char **names, uint32_t modifier_masks);
/**
* Get the pid of a parent process given the pid of a child process.
*
* Returns the parent pid or NULL if the parent pid cannot be determined.
*/
pid_t get_parent_pid(pid_t pid);
/**
* Given a string that represents an RGB(A) color, return a uint32_t
* version of the color.
@ -65,6 +34,4 @@ bool parse_boolean(const char *boolean, bool current);
*/
float parse_float(const char *value);
enum wlr_direction opposite_direction(enum wlr_direction d);
#endif

2
sway/commands/bar/modifier.c
View file

@ -1,8 +1,8 @@
#include <string.h>
#include "sway/commands.h"
#include "sway/input/keyboard.h"
#include "log.h"
#include "stringop.h"
#include "util.h"
struct cmd_results *bar_cmd_modifier(int argc, char **argv) {
struct cmd_results *error = NULL;

1
sway/commands/bind.c
View file

@ -8,6 +8,7 @@
#include "sway/commands.h"
#include "sway/config.h"
#include "sway/input/cursor.h"
#include "sway/input/keyboard.h"
#include "sway/ipc-server.h"
#include "list.h"
#include "log.h"

2
sway/commands/floating_modifier.c
View file

@ -1,7 +1,7 @@
#include "strings.h"
#include "sway/commands.h"
#include "sway/config.h"
#include "util.h"
#include "sway/input/keyboard.h"
struct cmd_results *cmd_floating_modifier(int argc, char **argv) {
struct cmd_results *error = NULL;

4
sway/config/bar.c
View file

@ -11,12 +11,12 @@
#include <strings.h>
#include <signal.h>
#include "sway/config.h"
#include "sway/input/keyboard.h"
#include "sway/output.h"
#include "config.h"
#include "stringop.h"
#include "list.h"
#include "log.h"
#include "util.h"
#include "stringop.h"
static void terminate_swaybar(pid_t pid) {
sway_log(SWAY_DEBUG, "Terminating swaybar %d", pid);

54
sway/input/keyboard.c
View file

@ -1,9 +1,11 @@
#include <assert.h>
#include <limits.h>
#include <strings.h>
#include <wlr/backend/multi.h>
#include <wlr/backend/session.h>
#include <wlr/types/wlr_idle.h>
#include <wlr/interfaces/wlr_keyboard.h>
#include <xkbcommon/xkbcommon-names.h>
#include "sway/commands.h"
#include "sway/desktop/transaction.h"
#include "sway/input/input-manager.h"
@ -12,6 +14,58 @@
#include "sway/ipc-server.h"
#include "log.h"
static struct modifier_key {
char *name;
uint32_t mod;
} modifiers[] = {
{ XKB_MOD_NAME_SHIFT, WLR_MODIFIER_SHIFT },
{ XKB_MOD_NAME_CAPS, WLR_MODIFIER_CAPS },
{ XKB_MOD_NAME_CTRL, WLR_MODIFIER_CTRL },
{ "Ctrl", WLR_MODIFIER_CTRL },
{ XKB_MOD_NAME_ALT, WLR_MODIFIER_ALT },
{ "Alt", WLR_MODIFIER_ALT },
{ XKB_MOD_NAME_NUM, WLR_MODIFIER_MOD2 },
{ "Mod3", WLR_MODIFIER_MOD3 },
{ XKB_MOD_NAME_LOGO, WLR_MODIFIER_LOGO },
{ "Mod5", WLR_MODIFIER_MOD5 },
};
uint32_t get_modifier_mask_by_name(const char *name) {
int i;
for (i = 0; i < (int)(sizeof(modifiers) / sizeof(struct modifier_key)); ++i) {
if (strcasecmp(modifiers[i].name, name) == 0) {
return modifiers[i].mod;
}
}
return 0;
}
const char *get_modifier_name_by_mask(uint32_t modifier) {
int i;
for (i = 0; i < (int)(sizeof(modifiers) / sizeof(struct modifier_key)); ++i) {
if (modifiers[i].mod == modifier) {
return modifiers[i].name;
}
}
return NULL;
}
int get_modifier_names(const char **names, uint32_t modifier_masks) {
int length = 0;
int i;
for (i = 0; i < (int)(sizeof(modifiers) / sizeof(struct modifier_key)); ++i) {
if ((modifier_masks & modifiers[i].mod) != 0) {
names[length] = modifiers[i].name;
++length;
modifier_masks ^= modifiers[i].mod;
}
}
return length;
}
/**
* Remove all key ids associated to a keycode from the list of pressed keys
*/

1
sway/ipc-server.c
View file

@ -23,6 +23,7 @@
#include "sway/output.h"
#include "sway/server.h"
#include "sway/input/input-manager.h"
#include "sway/input/keyboard.h"
#include "sway/input/seat.h"
#include "sway/tree/root.h"
#include "sway/tree/view.h"

16
sway/tree/output.c
View file

@ -1,4 +1,5 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <ctype.h>
#include <string.h>
#include <strings.h>
@ -12,6 +13,21 @@
#include "log.h"
#include "util.h"
enum wlr_direction opposite_direction(enum wlr_direction d) {
switch (d) {
case WLR_DIRECTION_UP:
return WLR_DIRECTION_DOWN;
case WLR_DIRECTION_DOWN:
return WLR_DIRECTION_UP;
case WLR_DIRECTION_RIGHT:
return WLR_DIRECTION_LEFT;
case WLR_DIRECTION_LEFT:
return WLR_DIRECTION_RIGHT;
}
assert(false);
return 0;
}
static void restore_workspaces(struct sway_output *output) {
// Workspace output priority
for (int i = 0; i < root->outputs->length; i++) {

35
sway/tree/root.c
View file

@ -169,6 +169,41 @@ struct pid_workspace {
static struct wl_list pid_workspaces;
/**
* Get the pid of a parent process given the pid of a child process.
*
* Returns the parent pid or NULL if the parent pid cannot be determined.
*/
static pid_t get_parent_pid(pid_t child) {
pid_t parent = -1;
char file_name[100];
char *buffer = NULL;
char *token = NULL;
const char *sep = " ";
FILE *stat = NULL;
size_t buf_size = 0;
sprintf(file_name, "/proc/%d/stat", child);
if ((stat = fopen(file_name, "r"))) {
if (getline(&buffer, &buf_size, stat) != -1) {
token = strtok(buffer, sep); // pid
token = strtok(NULL, sep); // executable name
token = strtok(NULL, sep); // state
token = strtok(NULL, sep); // parent pid
parent = strtol(token, NULL, 10);
}
free(buffer);
fclose(stat);
}
if (parent) {
return (parent == child) ? -1 : parent;
}
return -1;
}
struct sway_workspace *root_workspace_for_pid(pid_t pid) {
if (!pid_workspaces.prev && !pid_workspaces.next) {
wl_list_init(&pid_workspaces);