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Render i3bar blocks

Browse Source
master
Drew DeVault 7 years ago
parent ee85c91831
commit 333dbcbe72
7 changed files with 314 additions and 34 deletions
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2
include/swaybar/ipc.h
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@ -4,7 +4,7 @@
#include "swaybar/bar.h" #include "swaybar/bar.h"
void ipc_initialize(struct swaybar *bar, const char *bar_id); void ipc_initialize(struct swaybar *bar, const char *bar_id);
bool handle_ipc_event(struct swaybar *bar); bool handle_ipc_readable(struct swaybar *bar);
void ipc_get_workspaces(struct swaybar *bar); void ipc_get_workspaces(struct swaybar *bar);
void ipc_send_workspace_command(struct swaybar *bar, const char *ws); void ipc_send_workspace_command(struct swaybar *bar, const char *ws);

6
include/swaybar/status_line.h
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@ -38,7 +38,7 @@ struct i3bar_block {
struct wl_list link; struct wl_list link;
char *full_text, *short_text, *align; char *full_text, *short_text, *align;
bool urgent; bool urgent;
uint32_t color; uint32_t *color;
int min_width; int min_width;
char *name, *instance; char *name, *instance;
bool separator; bool separator;
@ -68,8 +68,8 @@ struct status_line {
struct status_line *status_line_init(char *cmd); struct status_line *status_line_init(char *cmd);
void status_line_free(struct status_line *status); void status_line_free(struct status_line *status);
bool handle_status_readable(struct status_line *status); bool status_handle_readable(struct status_line *status);
int i3bar_readable(struct status_line *status); bool i3bar_handle_readable(struct status_line *status);
void status_error(struct status_line *status, const char *text); void status_error(struct status_line *status, const char *text);
#endif #endif

4
swaybar/bar.c
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@ -308,14 +308,14 @@ static void display_in(int fd, short mask, void *_bar) {
static void ipc_in(int fd, short mask, void *_bar) { static void ipc_in(int fd, short mask, void *_bar) {
struct swaybar *bar = (struct swaybar *)_bar; struct swaybar *bar = (struct swaybar *)_bar;
if (handle_ipc_event(bar)) { if (handle_ipc_readable(bar)) {
render_all_frames(bar); render_all_frames(bar);
} }
} }
static void status_in(int fd, short mask, void *_bar) { static void status_in(int fd, short mask, void *_bar) {
struct swaybar *bar = (struct swaybar *)_bar; struct swaybar *bar = (struct swaybar *)_bar;
if (handle_status_readable(bar->status)) { if (status_handle_readable(bar->status)) {
render_all_frames(bar); render_all_frames(bar);
} }
} }

120
swaybar/i3bar.c
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@ -1,3 +1,5 @@
#define _POSIX_C_SOURCE 200809L
#include <json-c/json.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
@ -5,11 +7,109 @@
#include "swaybar/config.h" #include "swaybar/config.h"
#include "swaybar/status_line.h" #include "swaybar/status_line.h"
static void i3bar_parse_json(struct status_line *status, const char *text) { static void i3bar_block_free(struct i3bar_block *block) {
wlr_log(L_DEBUG, "got json: %s", text); if (!block) {
return;
}
wl_list_remove(&block->link);
free(block->full_text);
free(block->short_text);
free(block->align);
free(block->name);
free(block->instance);
free(block->color);
}
static bool i3bar_parse_json(struct status_line *status, const char *text) {
struct i3bar_block *block, *tmp;
wl_list_for_each_safe(block, tmp, &status->blocks, link) {
i3bar_block_free(block);
}
json_object *results = json_tokener_parse(text);
if (!results) {
status_error(status, "[failed to parse i3bar json]");
return false;
}
if (json_object_array_length(results) < 1) {
return true;
}
for (size_t i = 0; i < json_object_array_length(results); ++i) {
json_object *full_text, *short_text, *color, *min_width, *align, *urgent;
json_object *name, *instance, *separator, *separator_block_width;
json_object *background, *border, *border_top, *border_bottom;
json_object *border_left, *border_right, *markup;
json_object *json = json_object_array_get_idx(results, i);
if (!json) {
continue;
}
json_object_object_get_ex(json, "full_text", &full_text);
json_object_object_get_ex(json, "short_text", &short_text);
json_object_object_get_ex(json, "color", &color);
json_object_object_get_ex(json, "min_width", &min_width);
json_object_object_get_ex(json, "align", &align);
json_object_object_get_ex(json, "urgent", &urgent);
json_object_object_get_ex(json, "name", &name);
json_object_object_get_ex(json, "instance", &instance);
json_object_object_get_ex(json, "markup", &markup);
json_object_object_get_ex(json, "separator", &separator);
json_object_object_get_ex(json, "separator_block_width", &separator_block_width);
json_object_object_get_ex(json, "background", &background);
json_object_object_get_ex(json, "border", &border);
json_object_object_get_ex(json, "border_top", &border_top);
json_object_object_get_ex(json, "border_bottom", &border_bottom);
json_object_object_get_ex(json, "border_left", &border_left);
json_object_object_get_ex(json, "border_right", &border_right);
struct i3bar_block *block = calloc(1, sizeof(struct i3bar_block));
block->full_text = full_text ?
strdup(json_object_get_string(full_text)) : NULL;
block->short_text = short_text ?
strdup(json_object_get_string(short_text)) : NULL;
if (color) {
block->color = malloc(sizeof(uint32_t));
*block->color = parse_color(json_object_get_string(color));
}
if (min_width) {
json_type type = json_object_get_type(min_width);
if (type == json_type_int) {
block->min_width = json_object_get_int(min_width);
} else if (type == json_type_string) {
/* the width will be calculated when rendering */
block->min_width = 0;
}
}
block->align = strdup(align ? json_object_get_string(align) : "left");
block->urgent = urgent ? json_object_get_int(urgent) : false;
block->name = name ? strdup(json_object_get_string(name)) : NULL;
block->instance = instance ?
strdup(json_object_get_string(instance)) : NULL;
if (markup) {
block->markup = false;
const char *markup_str = json_object_get_string(markup);
if (strcmp(markup_str, "pango") == 0) {
block->markup = true;
}
}
block->separator = separator ? json_object_get_int(separator) : true;
block->separator_block_width = separator_block_width ?
json_object_get_int(separator_block_width) : 9;
// Airblader features
block->background = background ?
parse_color(json_object_get_string(background)) : 0;
block->border = border ?
parse_color(json_object_get_string(border)) : 0;
block->border_top = border_top ? json_object_get_int(border_top) : 1;
block->border_bottom = border_bottom ?
json_object_get_int(border_bottom) : 1;
block->border_left = border_left ? json_object_get_int(border_left) : 1;
block->border_right = border_right ?
json_object_get_int(border_right) : 1;
wl_list_insert(&status->blocks, &block->link);
}
return true;
} }
int i3bar_readable(struct status_line *status) { bool i3bar_handle_readable(struct status_line *status) {
struct i3bar_protocol_state *state = &status->i3bar_state; struct i3bar_protocol_state *state = &status->i3bar_state;
char *cur = &state->buffer[state->buffer_index]; char *cur = &state->buffer[state->buffer_index];
@ -30,7 +130,7 @@ int i3bar_readable(struct status_line *status) {
state->buffer = new_buffer; state->buffer = new_buffer;
} }
int handled = 0; bool redraw = false;
while (*cur) { while (*cur) {
if (state->nodes[state->depth] == JSON_NODE_STRING) { if (state->nodes[state->depth] == JSON_NODE_STRING) {
if (!state->escape && *cur == '"') { if (!state->escape && *cur == '"') {
@ -44,7 +144,7 @@ int i3bar_readable(struct status_line *status) {
if (state->depth > if (state->depth >
sizeof(state->nodes) / sizeof(state->nodes[0])) { sizeof(state->nodes) / sizeof(state->nodes[0])) {
status_error(status, "[i3bar json too deep]"); status_error(status, "[i3bar json too deep]");
return -1; return false;
} }
state->nodes[state->depth] = JSON_NODE_ARRAY; state->nodes[state->depth] = JSON_NODE_ARRAY;
if (state->depth == 1) { if (state->depth == 1) {
@ -54,18 +154,18 @@ int i3bar_readable(struct status_line *status) {
case ']': case ']':
if (state->nodes[state->depth] != JSON_NODE_ARRAY) { if (state->nodes[state->depth] != JSON_NODE_ARRAY) {
status_error(status, "[failed to parse i3bar json]"); status_error(status, "[failed to parse i3bar json]");
return -1; return false;
} }
--state->depth; --state->depth;
if (state->depth == 0) { if (state->depth == 0) {
// cur[1] is valid since cur[0] != '\0' // cur[1] is valid since cur[0] != '\0'
char p = cur[1]; char p = cur[1];
cur[1] = '\0'; cur[1] = '\0';
i3bar_parse_json(status, state->current_node); redraw = i3bar_parse_json(
status, state->current_node) || redraw;
cur[1] = p; cur[1] = p;
memmove(state->buffer, cur, memmove(state->buffer, cur,
state->buffer_size - (cur - state->buffer)); state->buffer_size - (cur - state->buffer));
++handled;
cur = state->buffer; cur = state->buffer;
state->current_node = cur + 1; state->current_node = cur + 1;
} }
@ -75,7 +175,7 @@ int i3bar_readable(struct status_line *status) {
if (state->depth > if (state->depth >
sizeof(state->nodes) / sizeof(state->nodes[0])) { sizeof(state->nodes) / sizeof(state->nodes[0])) {
status_error(status, "[i3bar json too deep]"); status_error(status, "[i3bar json too deep]");
return -1; return false;
} }
state->nodes[state->depth] = JSON_NODE_STRING; state->nodes[state->depth] = JSON_NODE_STRING;
break; break;
@ -84,5 +184,5 @@ int i3bar_readable(struct status_line *status) {
++cur; ++cur;
} }
state->buffer_index = cur - state->buffer; state->buffer_index = cur - state->buffer;
return handled; return redraw;
} }

2
swaybar/ipc.c
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@ -323,7 +323,7 @@ void ipc_initialize(struct swaybar *bar, const char *bar_id) {
IPC_SUBSCRIBE, subscribe, &len)); IPC_SUBSCRIBE, subscribe, &len));
} }
bool handle_ipc_event(struct swaybar *bar) { bool handle_ipc_readable(struct swaybar *bar) {
struct ipc_response *resp = ipc_recv_response(bar->ipc_event_socketfd); struct ipc_response *resp = ipc_recv_response(bar->ipc_event_socketfd);
if (!resp) { if (!resp) {
return false; return false;

209
swaybar/render.c
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@ -18,10 +18,33 @@ static const int ws_horizontal_padding = 5;
static const double ws_vertical_padding = 1.5; static const double ws_vertical_padding = 1.5;
static const double border_width = 1; static const double border_width = 1;
static uint32_t render_status_line_error(cairo_t *cairo,
struct swaybar_config *config, const char *error,
double *x, uint32_t width, uint32_t height) {
if (!error) {
return 0;
}
cairo_set_source_u32(cairo, 0xFF0000FF);
static const int margin = 3;
int text_width, text_height;
get_text_size(cairo, config->font,
&text_width, &text_height, 1, false, "%s", error);
uint32_t ideal_height = text_height + ws_vertical_padding * 2;
if (height < ideal_height) {
return ideal_height;
}
*x -= text_width + margin;
double text_y = height / 2.0 - text_height / 2.0;
cairo_move_to(cairo, *x, (int)floor(text_y));
pango_printf(cairo, config->font, 1, false, "%s", error);
*x -= margin;
return ideal_height;
}
static uint32_t render_status_line_text(cairo_t *cairo, static uint32_t render_status_line_text(cairo_t *cairo,
struct swaybar_config *config, struct status_line *status, struct swaybar_config *config, const char *text,
bool focused, uint32_t width, uint32_t height) { bool focused, double *x, uint32_t width, uint32_t height) {
if (!status->text) { if (!text) {
return 0; return 0;
} }
cairo_set_source_u32(cairo, focused ? cairo_set_source_u32(cairo, focused ?
@ -29,38 +52,193 @@ static uint32_t render_status_line_text(cairo_t *cairo,
static const int margin = 3; static const int margin = 3;
int text_width, text_height; int text_width, text_height;
get_text_size(cairo, config->font, &text_width, &text_height, get_text_size(cairo, config->font, &text_width, &text_height,
1, config->pango_markup, "%s", status->text); 1, config->pango_markup, "%s", text);
uint32_t ideal_height = text_height + ws_vertical_padding * 2; uint32_t ideal_height = text_height + ws_vertical_padding * 2;
if (height < ideal_height) { if (height < ideal_height) {
return ideal_height; return ideal_height;
} }
*x -= text_width + margin;
double text_y = height / 2.0 - text_height / 2.0; double text_y = height / 2.0 - text_height / 2.0;
cairo_move_to(cairo, width - text_width - margin, (int)floor(text_y)); cairo_move_to(cairo, *x, (int)floor(text_y));
pango_printf(cairo, config->font, 1, config->pango_markup, pango_printf(cairo, config->font, 1, config->pango_markup, "%s", text);
"%s", status->text); *x -= margin;
return ideal_height;
}
static void render_sharp_line(cairo_t *cairo, uint32_t color,
double x, double y, double width, double height) {
cairo_set_source_u32(cairo, color);
if (width > 1 && height > 1) {
cairo_rectangle(cairo, x, y, width, height);
cairo_fill(cairo);
} else {
if (width == 1) {
x += 0.5;
height += y;
width = x;
}
if (height == 1) {
y += 0.5;
width += x;
height = y;
}
cairo_move_to(cairo, x, y);
cairo_set_line_width(cairo, 1.0);
cairo_line_to(cairo, width, height);
cairo_stroke(cairo);
}
}
static uint32_t render_status_block(cairo_t *cairo,
struct swaybar_config *config, struct i3bar_block *block,
double *x, uint32_t height, bool focused, bool edge) {
static const int margin = 3;
if (!block->full_text || !*block->full_text) {
return 0;
}
int text_width, text_height;
get_text_size(cairo, config->font, &text_width, &text_height,
1, block->markup, "%s", block->full_text);
int width = text_width;
if (width < block->min_width) {
width = block->min_width;
}
double block_width = width;
uint32_t ideal_height = text_height + ws_vertical_padding * 2;
if (height < ideal_height) {
return ideal_height;
}
*x -= width;
if (block->border && block->border_left > 0) {
*x -= (block->border_left + margin);
block_width += block->border_left + margin;
}
if (block->border && block->border_right > 0) {
*x -= (block->border_right + margin);
block_width += block->border_right + margin;
}
int sep_width;
if (!edge) {
if (config->sep_symbol) {
int _height;
get_text_size(cairo, config->font, &sep_width, &_height,
1, false, "%s", config->sep_symbol);
uint32_t _ideal_height = _height + ws_vertical_padding * 2;
if (height < _ideal_height) {
return _height;
}
if (sep_width > block->separator_block_width) {
block->separator_block_width = sep_width + margin * 2;
}
}
*x -= block->separator_block_width;
} else {
*x -= margin;
}
// TODO: Create hotspot here
double pos = *x;
if (block->background) {
cairo_set_source_u32(cairo, block->background);
cairo_rectangle(cairo, pos - 0.5, 1, block_width, height);
cairo_fill(cairo);
}
if (block->border && block->border_top > 0) {
render_sharp_line(cairo, block->border,
pos - 0.5, 1, block_width, block->border_top);
}
if (block->border && block->border_bottom > 0) {
render_sharp_line(cairo, block->border,
pos - 0.5, height - 1 - block->border_bottom,
block_width, block->border_bottom);
}
if (block->border != 0 && block->border_left > 0) {
render_sharp_line(cairo, block->border,
pos - 0.5, 1, block->border_left, height);
pos += block->border_left + margin;
}
double offset = 0;
if (strncmp(block->align, "left", 5) == 0) {
offset = pos;
} else if (strncmp(block->align, "right", 5) == 0) {
offset = pos + width - text_width;
} else if (strncmp(block->align, "center", 6) == 0) {
offset = pos + (width - text_width) / 2;
}
cairo_move_to(cairo, offset, height / 2.0 - text_height / 2.0);
uint32_t color = block->color ? *block->color : config->colors.statusline;
cairo_set_source_u32(cairo, color);
pango_printf(cairo, config->font, 1, block->markup, "%s", block->full_text);
pos += width;
if (block->border && block->border_right > 0) {
pos += margin;
render_sharp_line(cairo, block->border,
pos - 0.5, 1, block->border_right, height);
pos += block->border_right;
}
if (!edge && block->separator) {
if (focused) {
cairo_set_source_u32(cairo, config->colors.focused_separator);
} else {
cairo_set_source_u32(cairo, config->colors.separator);
}
if (config->sep_symbol) {
offset = pos + (block->separator_block_width - sep_width) / 2;
cairo_move_to(cairo, offset, margin);
pango_printf(cairo, config->font, 1, false,
"%s", config->sep_symbol);
} else {
cairo_set_line_width(cairo, 1);
cairo_move_to(cairo,
pos + block->separator_block_width / 2, margin);
cairo_line_to(cairo,
pos + block->separator_block_width / 2, height - margin);
cairo_stroke(cairo);
}
}
return ideal_height; return ideal_height;
} }
static uint32_t render_status_line_i3bar(cairo_t *cairo, static uint32_t render_status_line_i3bar(cairo_t *cairo,
struct swaybar_config *config, struct status_line *status, struct swaybar_config *config, struct status_line *status,
bool focused, uint32_t width, uint32_t height) { bool focused, double *x, uint32_t width, uint32_t height) {
// TODO struct i3bar_block *block;
return 0; uint32_t max_height = 0;
bool edge = true;
wl_list_for_each_reverse(block, &status->blocks, link) {
uint32_t h = render_status_block(cairo, config,
block, x, height, focused, edge);
max_height = h > max_height ? h : max_height;
edge = false;
}
return max_height;
} }
static uint32_t render_status_line(cairo_t *cairo, static uint32_t render_status_line(cairo_t *cairo,
struct swaybar_config *config, struct status_line *status, struct swaybar_config *config, struct status_line *status,
bool focused, uint32_t width, uint32_t height) { bool focused, double *x, uint32_t width, uint32_t height) {
switch (status->protocol) { switch (status->protocol) {
case PROTOCOL_ERROR:
return render_status_line_error(cairo,
config, status->text, x, width, height);
case PROTOCOL_TEXT: case PROTOCOL_TEXT:
return render_status_line_text(cairo, return render_status_line_text(cairo,
config, status, focused, width, height); config, status->text, focused, x, width, height);
case PROTOCOL_I3BAR: case PROTOCOL_I3BAR:
return render_status_line_i3bar(cairo, return render_status_line_i3bar(cairo,
config, status, focused, width, height); config, status, focused, x, width, height);
default: case PROTOCOL_UNDEF:
return 0; return 0;
} }
return 0;
} }
static uint32_t render_binding_mode_indicator(cairo_t *cairo, static uint32_t render_binding_mode_indicator(cairo_t *cairo,
@ -211,9 +389,10 @@ static uint32_t render_to_cairo(cairo_t *cairo,
cairo, config, config->mode, x, output->height); cairo, config, config->mode, x, output->height);
max_height = h > max_height ? h : max_height; max_height = h > max_height ? h : max_height;
} }
x = output->width;
if (bar->status) { if (bar->status) {
uint32_t h = render_status_line(cairo, config, bar->status, uint32_t h = render_status_line(cairo, config, bar->status,
output->focused, output->width, output->height); output->focused, &x, output->width, output->height);
max_height = h > max_height ? h : max_height; max_height = h > max_height ? h : max_height;
} }

5
swaybar/status_line.c
Unescape View File

@ -17,13 +17,13 @@ void status_error(struct status_line *status, const char *text) {
status->text = text; status->text = text;
} }
bool handle_status_readable(struct status_line *status) { bool status_handle_readable(struct status_line *status) {
char *line; char *line;
switch (status->protocol) { switch (status->protocol) {
case PROTOCOL_ERROR: case PROTOCOL_ERROR:
return false; return false;
case PROTOCOL_I3BAR: case PROTOCOL_I3BAR:
if (i3bar_readable(status) > 0) { if (i3bar_handle_readable(status) > 0) {
return true; return true;
} }
break; break;
@ -66,6 +66,7 @@ bool handle_status_readable(struct status_line *status) {
status->protocol = PROTOCOL_I3BAR; status->protocol = PROTOCOL_I3BAR;
free(status->text_state.buffer); free(status->text_state.buffer);
wl_list_init(&status->blocks);
status->i3bar_state.buffer_size = 4096; status->i3bar_state.buffer_size = 4096;
status->i3bar_state.buffer = status->i3bar_state.buffer =
malloc(status->i3bar_state.buffer_size); malloc(status->i3bar_state.buffer_size);

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