X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fx.c;h=9d92167ab643835ec2fc147f3f11dc3fdfd3b2a5;hb=e4d2b385529847b926a716731be4a8c22ed79007;hp=9a387749569e87092c1cc5709cdf0d2a99b37087;hpb=b850cfba4d4ce9f5dda5613c6d197648e7e65401;p=i3%2Fi3

diff --git a/src/x.c b/src/x.c
index 9a387749..9d92167a 100644
--- a/src/x.c
+++ b/src/x.c
@@ -1,5 +1,3 @@
-#undef I3__FILE__
-#define I3__FILE__ "x.c"
 /*
  * vim:ts=4:sw=4:expandtab
  *
@@ -44,7 +42,7 @@ typedef struct con_state {
     bool child_mapped;
     bool is_hidden;
 
-    /** The con for which this state is. */
+    /* The con for which this state is. */
     Con *con;
 
     /* For reparenting, we have a flag (need_reparent) and the X ID of the old
@@ -60,18 +58,26 @@ typedef struct con_state {
 
     char *name;
 
-    CIRCLEQ_ENTRY(con_state) state;
-    CIRCLEQ_ENTRY(con_state) old_state;
-    TAILQ_ENTRY(con_state) initial_mapping_order;
+    CIRCLEQ_ENTRY(con_state)
+    state;
+
+    CIRCLEQ_ENTRY(con_state)
+    old_state;
+
+    TAILQ_ENTRY(con_state)
+    initial_mapping_order;
 } con_state;
 
-CIRCLEQ_HEAD(state_head, con_state) state_head =
+CIRCLEQ_HEAD(state_head, con_state)
+state_head =
     CIRCLEQ_HEAD_INITIALIZER(state_head);
 
-CIRCLEQ_HEAD(old_state_head, con_state) old_state_head =
+CIRCLEQ_HEAD(old_state_head, con_state)
+old_state_head =
     CIRCLEQ_HEAD_INITIALIZER(old_state_head);
 
-TAILQ_HEAD(initial_mapping_head, con_state) initial_mapping_head =
+TAILQ_HEAD(initial_mapping_head, con_state)
+initial_mapping_head =
     TAILQ_HEAD_INITIALIZER(initial_mapping_head);
 
 /*
@@ -93,6 +99,23 @@ static con_state *state_for_frame(xcb_window_t window) {
     return NULL;
 }
 
+/*
+ * Changes the atoms on the root window and the windows themselves to properly
+ * reflect the current focus for ewmh compliance.
+ *
+ */
+static void change_ewmh_focus(xcb_window_t new_focus, xcb_window_t old_focus) {
+    ewmh_update_active_window(new_focus);
+
+    if (new_focus != XCB_WINDOW_NONE) {
+        ewmh_update_focused(new_focus, true);
+    }
+
+    if (old_focus != XCB_WINDOW_NONE) {
+        ewmh_update_focused(old_focus, false);
+    }
+}
+
 /*
  * Initializes the X11 part for the given container. Called exactly once for
  * every container from con_new().
@@ -121,7 +144,7 @@ void x_con_init(Con *con) {
     /* We explicitly set a background color and border color (even though we
      * don’t even have a border) because the X11 server requires us to when
      * using 32 bit color depths, see
-     * http://stackoverflow.com/questions/3645632 */
+     * https://stackoverflow.com/questions/3645632 */
     mask |= XCB_CW_BACK_PIXEL;
     values[0] = root_screen->black_pixel;
 
@@ -226,11 +249,7 @@ void x_move_win(Con *src, Con *dest) {
     }
 }
 
-/*
- * Kills the window decoration associated with the given container.
- *
- */
-void x_con_kill(Con *con) {
+static void _x_con_kill(Con *con) {
     con_state *state;
 
     if (con->colormap != XCB_NONE) {
@@ -239,7 +258,6 @@ void x_con_kill(Con *con) {
 
     draw_util_surface_free(conn, &(con->frame));
     draw_util_surface_free(conn, &(con->frame_buffer));
-    xcb_destroy_window(conn, con->frame.id);
     xcb_free_pixmap(conn, con->frame_buffer.id);
     state = state_for_frame(con->frame.id);
     CIRCLEQ_REMOVE(&state_head, state, state);
@@ -252,6 +270,24 @@ void x_con_kill(Con *con) {
     focused_id = last_focused = XCB_NONE;
 }
 
+/*
+ * Kills the window decoration associated with the given container.
+ *
+ */
+void x_con_kill(Con *con) {
+    _x_con_kill(con);
+    xcb_destroy_window(conn, con->frame.id);
+}
+
+/*
+ * Completely reinitializes the container's frame, without destroying the old window.
+ *
+ */
+void x_con_reframe(Con *con) {
+    _x_con_kill(con);
+    x_con_init(con);
+}
+
 /*
  * Returns true if the client supports the given protocol atom (like WM_DELETE_WINDOW)
  *
@@ -324,10 +360,10 @@ static void x_draw_title_border(Con *con, struct deco_render_params *p) {
         deco_diff_r = 0;
     }
 
-    draw_util_rectangle(conn, &(con->parent->frame_buffer), p->color->border,
+    draw_util_rectangle(&(con->parent->frame_buffer), p->color->border,
                         dr->x, dr->y, dr->width, 1);
 
-    draw_util_rectangle(conn, &(con->parent->frame_buffer), p->color->border,
+    draw_util_rectangle(&(con->parent->frame_buffer), p->color->border,
                         dr->x + deco_diff_l, dr->y + dr->height - 1, dr->width - (deco_diff_l + deco_diff_r), 1);
 }
 
@@ -343,7 +379,7 @@ static void x_draw_decoration_after_title(Con *con, struct deco_render_params *p
         /* We actually only redraw the far right two pixels as that is the
          * distance we keep from the edge (not the entire border width).
          * Redrawing the entire border would cause text to be cut off. */
-        draw_util_rectangle(conn, &(con->parent->frame_buffer), p->color->background,
+        draw_util_rectangle(&(con->parent->frame_buffer), p->color->background,
                             dr->x + dr->width - 2 * logical_px(1),
                             dr->y,
                             2 * logical_px(1),
@@ -354,11 +390,11 @@ static void x_draw_decoration_after_title(Con *con, struct deco_render_params *p
      * be easily distinguished. */
     if (con->parent->layout == L_TABBED) {
         /* Left side */
-        draw_util_rectangle(conn, &(con->parent->frame_buffer), p->color->border,
+        draw_util_rectangle(&(con->parent->frame_buffer), p->color->border,
                             dr->x, dr->y, 1, dr->height);
 
         /* Right side */
-        draw_util_rectangle(conn, &(con->parent->frame_buffer), p->color->border,
+        draw_util_rectangle(&(con->parent->frame_buffer), p->color->border,
                             dr->x + dr->width - 1, dr->y, 1, dr->height);
     }
 
@@ -452,16 +488,16 @@ void x_draw_decoration(Con *con) {
     /* 2: draw the client.background, but only for the parts around the window_rect */
     if (con->window != NULL) {
         /* top area */
-        draw_util_rectangle(conn, &(con->frame_buffer), config.client.background,
+        draw_util_rectangle(&(con->frame_buffer), config.client.background,
                             0, 0, r->width, w->y);
         /* bottom area */
-        draw_util_rectangle(conn, &(con->frame_buffer), config.client.background,
+        draw_util_rectangle(&(con->frame_buffer), config.client.background,
                             0, w->y + w->height, r->width, r->height - (w->y + w->height));
         /* left area */
-        draw_util_rectangle(conn, &(con->frame_buffer), config.client.background,
+        draw_util_rectangle(&(con->frame_buffer), config.client.background,
                             0, 0, w->x, r->height);
         /* right area */
-        draw_util_rectangle(conn, &(con->frame_buffer), config.client.background,
+        draw_util_rectangle(&(con->frame_buffer), config.client.background,
                             w->x + w->width, 0, r->width - (w->x + w->width), r->height);
     }
 
@@ -478,21 +514,21 @@ void x_draw_decoration(Con *con) {
          * rectangle because some childs are not freely resizable and we want
          * their background color to "shine through". */
         if (!(borders_to_hide & ADJ_LEFT_SCREEN_EDGE)) {
-            draw_util_rectangle(conn, &(con->frame_buffer), p->color->child_border, 0, 0, br.x, r->height);
+            draw_util_rectangle(&(con->frame_buffer), p->color->child_border, 0, 0, br.x, r->height);
         }
         if (!(borders_to_hide & ADJ_RIGHT_SCREEN_EDGE)) {
-            draw_util_rectangle(conn, &(con->frame_buffer),
+            draw_util_rectangle(&(con->frame_buffer),
                                 p->color->child_border, r->width + (br.width + br.x), 0,
                                 -(br.width + br.x), r->height);
         }
         if (!(borders_to_hide & ADJ_LOWER_SCREEN_EDGE)) {
-            draw_util_rectangle(conn, &(con->frame_buffer),
+            draw_util_rectangle(&(con->frame_buffer),
                                 p->color->child_border, br.x, r->height + (br.height + br.y),
                                 r->width + br.width, -(br.height + br.y));
         }
         /* pixel border needs an additional line at the top */
         if (p->border_style == BS_PIXEL && !(borders_to_hide & ADJ_UPPER_SCREEN_EDGE)) {
-            draw_util_rectangle(conn, &(con->frame_buffer),
+            draw_util_rectangle(&(con->frame_buffer),
                                 p->color->child_border, br.x, 0, r->width + br.width, br.y);
         }
 
@@ -504,10 +540,10 @@ void x_draw_decoration(Con *con) {
             TAILQ_PREV(con, nodes_head, nodes) == NULL &&
             con->parent->type != CT_FLOATING_CON) {
             if (p->parent_layout == L_SPLITH) {
-                draw_util_rectangle(conn, &(con->frame_buffer), p->color->indicator,
+                draw_util_rectangle(&(con->frame_buffer), p->color->indicator,
                                     r->width + (br.width + br.x), br.y, -(br.width + br.x), r->height + br.height);
             } else if (p->parent_layout == L_SPLITV) {
-                draw_util_rectangle(conn, &(con->frame_buffer), p->color->indicator,
+                draw_util_rectangle(&(con->frame_buffer), p->color->indicator,
                                     br.x, r->height + (br.height + br.y), r->width + br.width, -(br.height + br.y));
             }
         }
@@ -527,12 +563,12 @@ void x_draw_decoration(Con *con) {
      * garbage left on there. This is important to avoid tearing when using
      * transparency. */
     if (con == TAILQ_FIRST(&(con->parent->nodes_head))) {
-        draw_util_clear_surface(conn, &(con->parent->frame_buffer), COLOR_TRANSPARENT);
+        draw_util_clear_surface(&(con->parent->frame_buffer), COLOR_TRANSPARENT);
         FREE(con->parent->deco_render_params);
     }
 
     /* 4: paint the bar */
-    draw_util_rectangle(conn, &(parent->frame_buffer), p->color->background,
+    draw_util_rectangle(&(parent->frame_buffer), p->color->background,
                         con->deco_rect.x, con->deco_rect.y, con->deco_rect.width, con->deco_rect.height);
 
     /* 5: draw two unconnected horizontal lines in border color */
@@ -566,9 +602,6 @@ void x_draw_decoration(Con *con) {
         goto after_title;
     }
 
-    if (win->name == NULL)
-        goto copy_pixmaps;
-
     int mark_width = 0;
     if (config.show_marks && !TAILQ_EMPTY(&(con->marks_head))) {
         char *formatted_mark = sstrdup("");
@@ -602,18 +635,24 @@ void x_draw_decoration(Con *con) {
     }
 
     i3String *title = con->title_format == NULL ? win->name : con_parse_title_format(con);
+    if (title == NULL) {
+        goto copy_pixmaps;
+    }
+
     draw_util_text(title, &(parent->frame_buffer),
                    p->color->text, p->color->background,
                    con->deco_rect.x + logical_px(2),
                    con->deco_rect.y + text_offset_y,
                    con->deco_rect.width - mark_width - 2 * logical_px(2));
-    if (con->title_format != NULL)
+
+    if (con->title_format != NULL) {
         I3STRING_FREE(title);
+    }
 
 after_title:
     x_draw_decoration_after_title(con, p);
 copy_pixmaps:
-    draw_util_copy_surface(conn, &(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
+    draw_util_copy_surface(&(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
 }
 
 /*
@@ -636,7 +675,7 @@ void x_deco_recurse(Con *con) {
         x_deco_recurse(current);
 
         if (state->mapped) {
-            draw_util_copy_surface(conn, &(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
+            draw_util_copy_surface(&(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
         }
     }
 
@@ -757,11 +796,8 @@ void x_push_node(Con *con) {
          * background and only afterwards change the window size. This reduces
          * flickering. */
 
-        /* As the pixmap only depends on the size and not on the position, it
-         * is enough to check if width/height have changed. Also, we don’t
-         * create a pixmap at all when the window is actually not visible
-         * (height == 0) or when it is not needed. */
-        bool has_rect_changed = (state->rect.width != rect.width || state->rect.height != rect.height);
+        bool has_rect_changed = (state->rect.x != rect.x || state->rect.y != rect.y ||
+                                 state->rect.width != rect.width || state->rect.height != rect.height);
 
         /* Check if the container has an unneeded pixmap left over from
          * previously having a border or titlebar. */
@@ -823,7 +859,7 @@ void x_push_node(Con *con) {
         xcb_flush(conn);
         xcb_set_window_rect(conn, con->frame.id, rect);
         if (con->frame_buffer.id != XCB_NONE) {
-            draw_util_copy_surface(conn, &(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
+            draw_util_copy_surface(&(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
         }
         xcb_flush(conn);
 
@@ -875,7 +911,7 @@ void x_push_node(Con *con) {
 
         /* copy the pixmap contents to the frame window immediately after mapping */
         if (con->frame_buffer.id != XCB_NONE) {
-            draw_util_copy_surface(conn, &(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
+            draw_util_copy_surface(&(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
         }
         xcb_flush(conn);
 
@@ -895,8 +931,9 @@ void x_push_node(Con *con) {
     /* Handle all children and floating windows of this node. We recurse
      * in focus order to display the focused client in a stack first when
      * switching workspaces (reduces flickering). */
-    TAILQ_FOREACH(current, &(con->focus_head), focused)
-    x_push_node(current);
+    TAILQ_FOREACH(current, &(con->focus_head), focused) {
+        x_push_node(current);
+    }
 }
 
 /*
@@ -1110,7 +1147,7 @@ void x_push_changes(Con *con) {
                      to_focus, focused, focused->name);
                 send_take_focus(to_focus, last_timestamp);
 
-                ewmh_update_active_window((con_has_managed_window(focused) ? focused->window->id : XCB_WINDOW_NONE));
+                change_ewmh_focus((con_has_managed_window(focused) ? focused->window->id : XCB_WINDOW_NONE), last_focused);
 
                 if (to_focus != last_focused && is_con_attached(focused))
                     ipc_send_window_event("focus", focused);
@@ -1129,7 +1166,7 @@ void x_push_changes(Con *con) {
                     xcb_change_window_attributes(conn, focused->window->id, XCB_CW_EVENT_MASK, values);
                 }
 
-                ewmh_update_active_window((con_has_managed_window(focused) ? focused->window->id : XCB_WINDOW_NONE));
+                change_ewmh_focus((con_has_managed_window(focused) ? focused->window->id : XCB_WINDOW_NONE), last_focused);
 
                 if (to_focus != XCB_NONE && to_focus != last_focused && focused->window != NULL && is_con_attached(focused))
                     ipc_send_window_event("focus", focused);
@@ -1144,7 +1181,8 @@ void x_push_changes(Con *con) {
          * root window in order to avoid an X11 fallback mechanism causing a ghosting effect (see #1378). */
         DLOG("Still no window focused, better set focus to the EWMH support window (%d)\n", ewmh_window);
         xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, ewmh_window, last_timestamp);
-        ewmh_update_active_window(XCB_WINDOW_NONE);
+        change_ewmh_focus(XCB_WINDOW_NONE, last_focused);
+
         focused_id = ewmh_window;
     }
 
@@ -1216,10 +1254,14 @@ void x_set_name(Con *con, const char *name) {
  * Set up the I3_SHMLOG_PATH atom.
  *
  */
-void update_shmlog_atom() {
-    xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
-                        A_I3_SHMLOG_PATH, A_UTF8_STRING, 8,
-                        strlen(shmlogname), shmlogname);
+void update_shmlog_atom(void) {
+    if (*shmlogname == '\0') {
+        xcb_delete_property(conn, root, A_I3_SHMLOG_PATH);
+    } else {
+        xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
+                            A_I3_SHMLOG_PATH, A_UTF8_STRING, 8,
+                            strlen(shmlogname), shmlogname);
+    }
 }
 
 /*