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tasklist: use label to determine which objects are drawn 

Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Julien Danjou 2008-07-28 15:56:22 +02:00
parent e3ed35e853
commit 09fd61fdfa
3 changed files with 172 additions and 175 deletions
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4
awesomerc.lua.in
View File

@ -99,7 +99,9 @@ mytasklist = widget({ type = "tasklist", name = "mytasklist" })
mytasklist:mouse_add(mouse({ }, 1, function (object, c) c:focus_set(); c:raise() end))
mytasklist:mouse_add(mouse({ }, 4, function () awful.client.focus(1) end))
mytasklist:mouse_add(mouse({ }, 5, function () awful.client.focus(-1) end))
function mytasklist.label(c)
function mytasklist.label(c, scr)
-- Only print client on the same screen as this widget
if c.screen ~= scr then return end
local text = ""
if c.floating then
text = "<bg image=\"@AWESOME_ICON_PATH@/floatingw.png\" align=\"right\"/>"

1
common/tokenize.gperf
View File

@ -48,7 +48,6 @@ screen
selected
shadow
shadow_offset
show
show_empty
show_icons
tags

342
widgets/tasklist.c
View File

@ -28,43 +28,74 @@
extern awesome_t globalconf;
typedef enum
/** Link a client and a label */
typedef struct
{
ShowFocus,
ShowTags,
ShowAll,
} showclient_t;
/** A client */
client_t *client;
/** The client label */
char *label;
/** The client label len */
size_t label_len;
} client_label_t;
/** Delete a client label.
* \param l The client label.
*/
static void
client_label_wipe(client_label_t *l)
{
p_delete(&l->label);
}
DO_ARRAY(client_label_t, client_label, client_label_wipe)
typedef struct tasklist_object_data_t tasklist_object_data_t;
/** Link an object with a client label array and other infos */
struct tasklist_object_data_t
{
/** The object */
void *object;
/** The box width for each client */
int box_width;
/** The client label array for the object */
client_label_array_t client_labels;
/** This is a list */
tasklist_object_data_t *prev, *next;
};
static void
tasklist_object_data_delete(tasklist_object_data_t **l)
{
client_label_array_wipe(&(*l)->client_labels);
p_delete(l);
}
DO_SLIST(tasklist_object_data_t, tasklist_object_data, tasklist_object_data_delete)
/** The tasklist private data structure. */
typedef struct
{
showclient_t show;
bool show_icons;
luaA_function label;
tasklist_object_data_t *objects_data;
} tasklist_data_t;
/** Check if a client is visible according to the showclient type paramater.
* \param c The client.
* \param screen The screen number.
* \param show The show parameters.
* \return True if the client is visible, false otherwise.
/** Get an object data by its object.
* \param od The object data list.
* \param p The object.
* \return A object data or NULL if not found.
*/
static inline bool
tasklist_isvisible(client_t *c, int screen, showclient_t show)
static tasklist_object_data_t *
tasklist_object_data_getbyobj(tasklist_object_data_t *od, void *p)
{
if(c->skip || c->skiptb)
return false;
tasklist_object_data_t *o;
switch(show)
{
case ShowAll:
return (c->screen == screen);
case ShowTags:
return client_isvisible(c, screen);
case ShowFocus:
return (c == focus_get_current_client(screen));
}
return false;
for(o = od; o; o = o->next)
if(o->object == p)
return o;
return NULL;
}
/** Draw a tasklist widget.
@ -78,122 +109,138 @@ tasklist_isvisible(client_t *c, int screen, showclient_t show)
static int
tasklist_draw(draw_context_t *ctx, int screen,
widget_node_t *w,
int offset, int used, void *p __attribute__ ((unused)))
int offset, int used, void *p)
{
client_t *c;
tasklist_data_t *d = w->widget->data;
area_t area;
const char *text;
int n = 0, i = 0, box_width = 0, icon_width = 0, box_width_rest = 0;
int i = 0, icon_width = 0, box_width_rest = 0;
netwm_icon_t *icon;
draw_image_t *image;
draw_parser_data_t pdata, *parser_data;
size_t len;
tasklist_object_data_t *odata;
if(used >= ctx->width)
return (w->area.width = 0);
for(c = globalconf.clients; c; c = c->next)
if(tasklist_isvisible(c, screen, d->show))
n++;
if(!(odata = tasklist_object_data_getbyobj(d->objects_data, p)))
{
/** \todo delete this when the widget is removed from the object */
odata = p_new(tasklist_object_data_t, 1);
odata->object = p;
tasklist_object_data_list_push(&d->objects_data, odata);
}
if(!n)
client_label_array_wipe(&odata->client_labels);
client_label_array_init(&odata->client_labels);
for(c = globalconf.clients; c; c = c->next)
if(!c->skip && !c->skiptb)
{
/* push client */
luaA_client_userdata_new(globalconf.L, c);
/* push screen we're at */
lua_pushnumber(globalconf.L, screen + 1);
/* call label function with client as argument and wait for one
* result */
luaA_dofunction(globalconf.L, d->label, 2, 1);
/* If we got a string as returned value, we got something to write:
* a label. So we store it in a client_label_t structure, pushed
* into the client_label_array_t which is owned by the object. */
if(lua_isstring(globalconf.L, -1))
{
client_label_t cl;
cl.client = c;
cl.label = a_strdup(lua_tolstring(globalconf.L, -1, &cl.label_len));
client_label_array_append(&odata->client_labels, cl);
}
lua_pop(globalconf.L, 1);
}
if(!odata->client_labels.len)
return (w->area.width = 0);
box_width = (ctx->width - used) / n;
odata->box_width = (ctx->width - used) / odata->client_labels.len;
/* compute how many pixel we left empty */
box_width_rest = (ctx->width - used) % n;
box_width_rest = (ctx->width - used) % odata->client_labels.len;
w->area.x = widget_calculate_offset(ctx->width,
0, offset, w->widget->align);
w->area.y = 0;
for(c = globalconf.clients; c; c = c->next)
if(tasklist_isvisible(c, screen, d->show))
for(i = 0; i < odata->client_labels.len; i++)
{
icon_width = 0;
if(d->show_icons)
{
icon_width = 0;
draw_parser_data_init(&pdata);
/* push client */
luaA_client_userdata_new(globalconf.L, c);
/* call label function with client as argument and wait for one
* result */
luaA_dofunction(globalconf.L, d->label, 1, 1);
pdata.connection = ctx->connection;
pdata.phys_screen = ctx->phys_screen;
if(lua_isstring(globalconf.L, -1))
text = lua_tolstring(globalconf.L, -1, &len);
else
/* Actually look for the proper background color, since
* otherwise the background statusbar color is used instead */
if(draw_text_markup_expand(&pdata,
odata->client_labels.tab[i].label,
odata->client_labels.tab[i].label_len))
{
text = NULL;
len = 0;
}
lua_pop(globalconf.L, 1);
if(d->show_icons)
{
draw_parser_data_init(&pdata);
pdata.connection = ctx->connection;
pdata.phys_screen = ctx->phys_screen;
/* Actually look for the proper background color, since
* otherwise the background statusbar color is used instead */
if(draw_text_markup_expand(&pdata, text, len))
parser_data = &pdata;
if(pdata.has_bg_color)
{
parser_data = &pdata;
if(pdata.has_bg_color)
{
/* draw a background for icons */
area.x = w->area.x + box_width * i;
area.y = w->area.y;
area.height = ctx->height;
area.width = box_width;
draw_rectangle(ctx, area, 1.0, true, &pdata.bg_color);
}
}
else
parser_data = NULL;
if((image = draw_image_new(c->icon_path)))
{
icon_width = ((double) ctx->height / (double) image->height) * image->width;
draw_image(ctx, w->area.x + box_width * i,
w->area.y, ctx->height, image);
draw_image_delete(&image);
}
if(!icon_width && (icon = ewmh_get_window_icon(c->win)))
{
icon_width = ((double) ctx->height / (double) icon->height)
* icon->width;
draw_image_from_argb_data(ctx,
w->area.x + box_width * i,
w->area.y,
icon->width, icon->height,
ctx->height, icon->image);
p_delete(&icon->image);
p_delete(&icon);
/* draw a background for icons */
area.x = w->area.x + odata->box_width * i;
area.y = w->area.y;
area.height = ctx->height;
area.width = odata->box_width;
draw_rectangle(ctx, area, 1.0, true, &pdata.bg_color);
}
}
else
parser_data = NULL;
area.x = w->area.x + icon_width + box_width * i;
area.y = w->area.y;
area.width = box_width - icon_width;
area.height = ctx->height;
if((image = draw_image_new(odata->client_labels.tab[i].client->icon_path)))
{
icon_width = ((double) ctx->height / (double) image->height) * image->width;
draw_image(ctx, w->area.x + odata->box_width * i,
w->area.y, ctx->height, image);
draw_image_delete(&image);
}
/* if we're on last elem, it has the last pixels left */
if(i == n - 1)
area.width += box_width_rest;
draw_text(ctx, globalconf.font, area, text, len, parser_data);
draw_parser_data_wipe(parser_data);
i++;
if(!icon_width && (icon = ewmh_get_window_icon(odata->client_labels.tab[i].client->win)))
{
icon_width = ((double) ctx->height / (double) icon->height)
* icon->width;
draw_image_from_argb_data(ctx,
w->area.x + odata->box_width * i,
w->area.y,
icon->width, icon->height,
ctx->height, icon->image);
p_delete(&icon->image);
p_delete(&icon);
}
}
else
parser_data = NULL;
area.x = w->area.x + icon_width + odata->box_width * i;
area.y = w->area.y;
area.width = odata->box_width - icon_width;
area.height = ctx->height;
/* if we're on last elem, it has the last pixels left */
if(i == odata->client_labels.len - 1)
area.width += box_width_rest;
draw_text(ctx, globalconf.font, area,
odata->client_labels.tab[i].label,
odata->client_labels.tab[i].label_len,
parser_data);
draw_parser_data_wipe(parser_data);
}
w->area.width = ctx->width - used;
w->area.height = ctx->height;
@ -216,39 +263,24 @@ tasklist_button_press(widget_node_t *w,
awesome_type_t type)
{
button_t *b;
client_t *c;
tasklist_data_t *d = w->widget->data;
int n = 0, box_width = 0, i, ci = 0;
int ci = 0;
tasklist_object_data_t *odata;
for(c = globalconf.clients; c; c = c->next)
if(tasklist_isvisible(c, screen, d->show))
n++;
odata = tasklist_object_data_getbyobj(d->objects_data, object);
if(!n)
if(!odata || !odata->client_labels.len)
return;
box_width = w->area.width / n;
ci = (ev->event_x - w->area.x) / odata->box_width;
ci = (ev->event_x - w->area.x) / box_width;
/* found first visible client */
for(c = globalconf.clients;
c && !tasklist_isvisible(c, screen, d->show);
c = c->next);
/* found ci-th visible client */
for(i = 0; c ; c = c->next)
if(tasklist_isvisible(c, screen, d->show))
if(i++ >= ci)
break;
if(c)
for(b = w->widget->buttons; b; b = b->next)
if(ev->detail == b->button && CLEANMASK(ev->state) == b->mod && b->fct)
{
luaA_pushpointer(globalconf.L, object, type);
luaA_client_userdata_new(globalconf.L, c);
luaA_dofunction(globalconf.L, b->fct, 2, 0);
}
for(b = w->widget->buttons; b; b = b->next)
if(ev->detail == b->button && CLEANMASK(ev->state) == b->mod && b->fct)
{
luaA_pushpointer(globalconf.L, object, type);
luaA_client_userdata_new(globalconf.L, odata->client_labels.tab[ci].client);
luaA_dofunction(globalconf.L, b->fct, 2, 0);
}
}
/** Index function for tasklist widget.
@ -257,7 +289,6 @@ tasklist_button_press(widget_node_t *w,
* \return The number of elements pushed on stack.
* \luastack
* \lfield show_icons Show icons near client title.
* \lfield show Which windows to show: all, tags, focus.
* \lfield label Function used to get the string to display as the window title.
* It gets the client as argument, and must return a string.
*/
@ -272,22 +303,6 @@ luaA_tasklist_index(lua_State *L, awesome_token_t token)
case A_TK_SHOW_ICONS:
lua_pushboolean(L, d->show_icons);
return 1;
case A_TK_SHOW:
switch(d->show)
{
case ShowTags:
lua_pushliteral(L, "tags");
break;
case ShowFocus:
lua_pushliteral(L, "focus");
break;
case ShowAll:
lua_pushliteral(L, "all");
break;
default:
return 0;
}
return 1;
case A_TK_LABEL:
lua_rawgeti(L, LUA_REGISTRYINDEX, d->label);
return 1;
@ -304,33 +319,14 @@ luaA_tasklist_index(lua_State *L, awesome_token_t token)
static int
luaA_tasklist_newindex(lua_State *L, awesome_token_t token)
{
size_t len;
widget_t **widget = luaA_checkudata(L, 1, "widget");
tasklist_data_t *d = (*widget)->data;
const char *buf;
switch(token)
{
case A_TK_SHOW_ICONS:
d->show_icons = luaA_checkboolean(L, 3);
break;
case A_TK_SHOW:
if((buf = luaL_checklstring(L, 3, &len)))
switch(a_tokenize(buf, len))
{
case A_TK_TAGS:
d->show = ShowTags;
break;
case A_TK_FOCUS:
d->show = ShowFocus;
break;
case A_TK_ALL:
d->show = ShowAll;
break;
default:
break;
}
break;
case A_TK_LABEL:
luaA_registerfct(L, &d->label);
break;
@ -350,6 +346,7 @@ static void
tasklist_destructor(widget_t *widget)
{
tasklist_data_t *d = widget->data;
tasklist_object_data_list_wipe(&d->objects_data);
p_delete(&d);
}
@ -372,9 +369,8 @@ tasklist_new(alignment_t align __attribute__ ((unused)))
w->newindex = luaA_tasklist_newindex;
w->data = d = p_new(tasklist_data_t, 1);
w->destructor = tasklist_destructor;
d->show_icons = true;
d->show = ShowTags;
d->label = LUA_REFNIL;
/* Set cache property */