2 * vim:ts=4:sw=4:expandtab
7 /* change this to 'true' if you want to have additional borders around every
8 * container (for debugging purposes) */
9 static bool show_debug_borders = false;
12 * "Renders" the given container (and its children), meaning that all rects are
13 * updated correctly. Note that this function does not call any xcb_*
14 * functions, so the changes are completely done in memory only (and
15 * side-effect free). As soon as you call x_push_changes(), the changes will be
19 void render_con(Con *con) {
20 printf("currently rendering node %p / %s / layout %d\n",
21 con, con->name, con->layout);
24 TAILQ_FOREACH(child, &(con->nodes_head), nodes)
26 printf("children: %d, orientation = %d\n", children, con->orientation);
28 /* Copy container rect, subtract container border */
29 /* This is the actually usable space inside this container for clients */
30 Rect rect = con->rect;
32 /* Display a border if this is a leaf node. For container nodes, we don’t
33 * draw borders (except when in debug mode) */
34 if (show_debug_borders) {
46 printf("mapped = true\n");
49 /* if this container contains a window, set the coordinates */
51 /* depending on the border style, the rect of the child window
52 * needs to be smaller */
53 Rect *inset = &(con->window_rect);
55 if (con->border_style == BS_NORMAL)
56 *inset = (Rect){2, 0, con->rect.width - (2 * 2), con->rect.height - 2};
57 else if (con->border_style == BS_1PIXEL)
58 *inset = (Rect){1, 1, con->rect.width - 2, con->rect.height - 1};
59 else *inset = (Rect){0, 0, con->rect.width, con->rect.height};
61 /* Obey the aspect ratio, if any */
62 if (con->proportional_height != 0 &&
63 con->proportional_width != 0) {
64 DLOG("proportional height = %d, width = %d\n", con->proportional_height, con->proportional_width);
65 double new_height = inset->height + 1;
66 int new_width = inset->width;
68 while (new_height > inset->height) {
69 new_height = ((double)con->proportional_height / con->proportional_width) * new_width;
71 if (new_height > inset->height)
74 /* Center the window */
75 inset->y += ceil(inset->height / 2) - floor(new_height / 2);
76 inset->x += ceil(inset->width / 2) - floor(new_width / 2);
78 inset->height = new_height;
79 inset->width = new_width;
80 DLOG("new_height = %f, new_width = %d\n", new_height, new_width);
83 if (con->height_increment > 1) {
84 int old_height = inset->height;
85 inset->height -= (inset->height - con->base_height) % con->height_increment;
86 DLOG("Lost %d pixel due to client's height_increment (%d px, base_height = %d)\n",
87 old_height - inset->height, con->height_increment, con->base_height);
90 if (con->width_increment > 1) {
91 int old_width = inset->width;
92 inset->width -= (inset->width - con->base_width) % con->width_increment;
93 DLOG("Lost %d pixel due to client's width_increment (%d px, base_width = %d)\n",
94 old_width - inset->width, con->width_increment, con->base_width);
97 DLOG("child will be at %dx%d with size %dx%d\n", inset->x, inset->y, inset->width, inset->height);
100 /* Check for fullscreen nodes */
101 Con *fullscreen = con_get_fullscreen_con(con);
103 LOG("got fs node: %p\n", fullscreen);
104 fullscreen->rect = rect;
105 x_raise_con(fullscreen);
106 render_con(fullscreen);
110 TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
113 if (con->layout == L_DEFAULT) {
114 double percentage = 1.0 / children;
115 if (child->percent > 0.0)
116 percentage = child->percent;
117 printf("child %p / %s requests percentage %f\n",
118 child, child->name, percentage);
120 if (con->orientation == HORIZ) {
123 child->rect.width = percentage * rect.width;
124 child->rect.height = rect.height;
125 x += child->rect.width;
129 child->rect.width = rect.width;
130 child->rect.height = percentage * rect.height;
131 y += child->rect.height;
134 /* first we have the decoration, if this is a leaf node */
135 if (con_is_leaf(child) && child->border_style == BS_NORMAL) {
136 printf("that child is a leaf node, subtracting deco\n");
137 /* TODO: make a function for relative coords? */
138 child->deco_rect.x = child->rect.x - con->rect.x;
139 child->deco_rect.y = child->rect.y - con->rect.y;
142 child->rect.height -= 17;
144 child->deco_rect.width = child->rect.width;
145 child->deco_rect.height = 17;
149 if (con->layout == L_STACKED) {
150 printf("stacked con\n");
153 child->rect.width = rect.width;
154 child->rect.height = rect.height;
156 child->rect.y += (17 * children);
157 child->rect.height -= (17 * children);
159 child->deco_rect.x = x - con->rect.x;
160 child->deco_rect.y = y - con->rect.y + (i * 17);
161 child->deco_rect.width = child->rect.width;
162 child->deco_rect.height = 17;
165 printf("child at (%d, %d) with (%d x %d)\n",
166 child->rect.x, child->rect.y, child->rect.width, child->rect.height);
167 printf("x now %d, y now %d\n", x, y);
173 /* in a stacking container, we ensure the focused client is raised */
174 if (con->layout == L_STACKED) {
175 Con *foc = TAILQ_FIRST(&(con->focus_head));
176 if (foc != TAILQ_END(&(con->focus_head)))
180 TAILQ_FOREACH(child, &(con->floating_head), floating_windows) {
181 LOG("render floating:\n");
182 LOG("floating child at (%d,%d) with %d x %d\n", child->rect.x, child->rect.y, child->rect.width, child->rect.height);
187 printf("-- level up\n");