762 lines
37 KiB
C
762 lines
37 KiB
C
/*
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* vim:ts=8:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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*
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* © 2009 Michael Stapelberg and contributors
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*
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* See file LICENSE for license information.
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*
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* layout.c: Functions handling layout/drawing of window decorations
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <xcb/xcb.h>
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#include <assert.h>
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#include <math.h>
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#include "config.h"
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#include "i3.h"
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#include "xcb.h"
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#include "table.h"
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#include "util.h"
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#include "randr.h"
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#include "layout.h"
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#include "client.h"
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#include "floating.h"
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#include "handlers.h"
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#include "workspace.h"
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#include "log.h"
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#include "container.h"
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/*
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* Gets the unoccupied space (= space which is available for windows which were resized by the user)
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* for the given row. This is necessary to render both, customly resized windows and never touched
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* windows correctly, meaning that the aspect ratio will be maintained when opening new windows.
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*
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*/
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int get_unoccupied_x(Workspace *workspace) {
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double unoccupied = workspace->rect.width;
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double default_factor = ((float)workspace->rect.width / workspace->cols) / workspace->rect.width;
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DLOG("get_unoccupied_x(), starting with %f, default_factor = %f\n", unoccupied, default_factor);
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for (int cols = 0; cols < workspace->cols; cols++) {
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DLOG("width_factor[%d] = %f, unoccupied = %f\n", cols, workspace->width_factor[cols], unoccupied);
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if (workspace->width_factor[cols] == 0)
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unoccupied -= workspace->rect.width * default_factor;
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}
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DLOG("unoccupied space: %f\n", unoccupied);
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return unoccupied;
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}
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/* See get_unoccupied_x() */
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int get_unoccupied_y(Workspace *workspace) {
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int height = workspace_height(workspace);
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double unoccupied = height;
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double default_factor = ((float)height / workspace->rows) / height;
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DLOG("get_unoccupied_y(), starting with %f, default_factor = %f\n", unoccupied, default_factor);
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for (int rows = 0; rows < workspace->rows; rows++) {
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DLOG("height_factor[%d] = %f, unoccupied = %f\n", rows, workspace->height_factor[rows], unoccupied);
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if (workspace->height_factor[rows] == 0)
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unoccupied -= height * default_factor;
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}
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DLOG("unoccupied space: %f\n", unoccupied);
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return unoccupied;
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}
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/*
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* Redecorates the given client correctly by checking if it’s in a stacking container and
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* re-rendering the stack window or just calling decorate_window if it’s not in a stacking
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* container.
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*
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*/
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void redecorate_window(xcb_connection_t *conn, Client *client) {
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if (client->container != NULL &&
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(client->container->mode == MODE_STACK ||
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client->container->mode == MODE_TABBED)) {
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render_container(conn, client->container);
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/* We clear the frame to generate exposure events, because the color used
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in drawing may be different */
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xcb_clear_area(conn, true, client->frame, 0, 0, client->rect.width, client->rect.height);
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} else decorate_window(conn, client, client->frame, client->titlegc, 0, 0);
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xcb_flush(conn);
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}
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/*
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* (Re-)draws window decorations for a given Client onto the given drawable/graphic context.
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* When in stacking mode, the window decorations are drawn onto an own window.
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*
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*/
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void decorate_window(xcb_connection_t *conn, Client *client, xcb_drawable_t drawable,
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xcb_gcontext_t gc, int offset_x, int offset_y) {
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i3Font *font = load_font(conn, config.font);
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int decoration_height = font->height + 2 + 2;
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struct Colortriple *color;
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Client *last_focused;
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/* Clients without a container (docks) won’t get decorated */
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if (client->dock)
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return;
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last_focused = SLIST_FIRST(&(client->workspace->focus_stack));
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/* Is the window urgent? */
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if (client->urgent)
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color = &(config.client.urgent);
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else {
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if (client_is_floating(client)) {
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if (last_focused == client)
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color = &(config.client.focused);
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else color = &(config.client.unfocused);
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} else {
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if (client->container->currently_focused == client) {
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/* Distinguish if the window is currently focused… */
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if (last_focused == client && c_ws == client->workspace)
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color = &(config.client.focused);
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/* …or if it is the focused window in a not focused container */
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else color = &(config.client.focused_inactive);
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} else color = &(config.client.unfocused);
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}
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}
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/* Our plan is the following:
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- Draw a rect around the whole client in color->background
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- Draw two lines in a lighter color
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- Draw the window’s title
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*/
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int mode = container_mode(client->container, true);
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/* Draw a rectangle in background color around the window */
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if (client->borderless && mode == MODE_DEFAULT)
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xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
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else xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, color->background);
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/* In stacking mode, we only render the rect for this specific decoration */
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if (mode == MODE_STACK || mode == MODE_TABBED) {
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/* We need to use the container’s width because it is the more recent value - when
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in stacking mode, clients get reconfigured only on demand (the not active client
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is not reconfigured), so the client’s rect.width would be wrong */
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xcb_rectangle_t rect = {offset_x, offset_y,
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offset_x + client->container->width,
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offset_y + decoration_height };
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xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
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} else {
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xcb_rectangle_t rect = {0, 0, client->rect.width, client->rect.height};
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xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
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/* Draw the inner background to have a black frame around clients (such as mplayer)
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which cannot be resized exactly in our frames and therefore are centered */
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xcb_change_gc_single(conn, client->titlegc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
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if (client->titlebar_position == TITLEBAR_OFF && client->borderless) {
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xcb_rectangle_t crect = {0, 0, client->rect.width, client->rect.height};
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xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
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} else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless) {
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xcb_rectangle_t crect = {1, 1, client->rect.width - (1 + 1), client->rect.height - (1 + 1)};
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xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
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} else {
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xcb_rectangle_t crect = {2, decoration_height,
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client->rect.width - (2 + 2), client->rect.height - 2 - decoration_height};
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xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
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}
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}
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mode = container_mode(client->container, false);
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if (client->titlebar_position != TITLEBAR_OFF) {
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/* Draw the lines */
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xcb_draw_line(conn, drawable, gc, color->border, offset_x, offset_y, offset_x + client->rect.width, offset_y);
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xcb_draw_line(conn, drawable, gc, color->border,
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offset_x + 2, /* x */
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offset_y + font->height + 3, /* y */
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offset_x + client->rect.width - 3, /* to_x */
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offset_y + font->height + 3 /* to_y */);
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}
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/* If the client has a title, we draw it */
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if (client->name != NULL &&
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(mode != MODE_DEFAULT || client->titlebar_position != TITLEBAR_OFF)) {
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/* Draw the font */
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uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
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uint32_t values[] = { color->text, color->background, font->id };
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xcb_change_gc(conn, gc, mask, values);
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/* name_len == -1 means this is a legacy application which does not specify _NET_WM_NAME,
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and we don’t handle the old window name (COMPOUND_TEXT) but only _NET_WM_NAME, which
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is UTF-8 */
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if (client->name_len == -1)
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xcb_image_text_8(conn, strlen(client->name), drawable, gc, offset_x + 3 /* X */,
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offset_y + font->height /* Y = baseline of font */, client->name);
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else
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xcb_image_text_16(conn, client->name_len, drawable, gc, offset_x + 3 /* X */,
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offset_y + font->height /* Y = baseline of font */, (xcb_char2b_t*)client->name);
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}
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}
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/*
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* Pushes the client’s x and y coordinates to X11
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*
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*/
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void reposition_client(xcb_connection_t *conn, Client *client) {
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Output *output;
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DLOG("frame 0x%08x needs to be pushed to %dx%d\n", client->frame, client->rect.x, client->rect.y);
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/* Note: We can use a pointer to client->x like an array of uint32_ts
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because it is followed by client->y by definition */
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xcb_configure_window(conn, client->frame, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, &(client->rect.x));
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if (!client_is_floating(client))
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return;
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/* If the client is floating, we need to check if we moved it to a different workspace */
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output = get_output_containing(client->rect.x + (client->rect.width / 2),
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client->rect.y + (client->rect.height / 2));
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if (client->workspace->output == output)
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return;
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if (output == NULL) {
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DLOG("Boundary checking disabled, no output found for (%d, %d)\n", client->rect.x, client->rect.y);
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return;
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}
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DLOG("Client is on workspace %p with output %p\n", client->workspace, client->workspace->output);
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DLOG("but output at %d, %d is %p\n", client->rect.x, client->rect.y, output);
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floating_assign_to_workspace(client, output->current_workspace);
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set_focus(conn, client, true);
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}
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/*
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* Pushes the client’s width/height to X11 and resizes the child window. This
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* function also updates the client’s position, so if you work on tiling clients
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* only, you can use this function instead of separate calls to reposition_client
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* and resize_client to reduce flickering.
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*
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*/
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void resize_client(xcb_connection_t *conn, Client *client) {
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i3Font *font = load_font(conn, config.font);
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DLOG("frame 0x%08x needs to be pushed to %dx%d\n", client->frame, client->rect.x, client->rect.y);
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DLOG("resizing client 0x%08x to %d x %d\n", client->frame, client->rect.width, client->rect.height);
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xcb_set_window_rect(conn, client->frame, client->rect);
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/* Adjust the position of the child inside its frame.
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* The coordinates of the child are relative to its frame, we
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* add a border of 2 pixel to each value */
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Rect *rect = &(client->child_rect);
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switch (container_mode(client->container, true)) {
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case MODE_STACK:
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case MODE_TABBED:
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rect->x = 2;
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rect->y = 0;
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rect->width = client->rect.width - (2 + 2);
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rect->height = client->rect.height - 2;
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break;
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default:
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if (client->titlebar_position == TITLEBAR_OFF && client->borderless) {
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rect->x = 0;
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rect->y = 0;
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rect->width = client->rect.width;
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rect->height = client->rect.height;
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} else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless) {
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rect->x = 1;
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rect->y = 1;
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rect->width = client->rect.width - 1 - 1;
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rect->height = client->rect.height - 1 - 1;
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} else {
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rect->x = 2;
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rect->y = font->height + 2 + 2;
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rect->width = client->rect.width - (2 + 2);
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rect->height = client->rect.height - ((font->height + 2 + 2) + 2);
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}
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break;
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}
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rect->width -= (2 * client->border_width);
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rect->height -= (2 * client->border_width);
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/* Obey the ratio, if any */
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if (client->proportional_height != 0 &&
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client->proportional_width != 0) {
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DLOG("proportional height = %d, width = %d\n", client->proportional_height, client->proportional_width);
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double new_height = rect->height + 1;
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int new_width = rect->width;
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while (new_height > rect->height) {
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new_height = ((double)client->proportional_height / client->proportional_width) * new_width;
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if (new_height > rect->height)
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new_width--;
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}
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/* Center the window */
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rect->y += ceil(rect->height / 2) - floor(new_height / 2);
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rect->x += ceil(rect->width / 2) - floor(new_width / 2);
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rect->height = new_height;
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rect->width = new_width;
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DLOG("new_height = %f, new_width = %d\n", new_height, new_width);
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}
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if (client->height_increment > 1) {
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int old_height = rect->height;
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rect->height -= (rect->height - client->base_height) % client->height_increment;
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DLOG("Lost %d pixel due to client's height_increment (%d px, base_height = %d)\n",
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old_height - rect->height, client->height_increment, client->base_height);
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}
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if (client->width_increment > 1) {
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int old_width = rect->width;
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rect->width -= (rect->width - client->base_width) % client->width_increment;
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DLOG("Lost %d pixel due to client's width_increment (%d px, base_width = %d)\n",
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old_width - rect->width, client->width_increment, client->base_width);
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}
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DLOG("child will be at %dx%d with size %dx%d\n", rect->x, rect->y, rect->width, rect->height);
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xcb_set_window_rect(conn, client->child, *rect);
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/* After configuring a child window we need to fake a configure_notify_event (see ICCCM 4.2.3).
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* This is necessary to inform the client of its position relative to the root window,
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* not relative to its frame (as done in the configure_notify_event by the x server). */
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fake_absolute_configure_notify(conn, client);
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/* Force redrawing after resizing the window because any now lost
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* pixels could contain old garbage. */
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xcb_expose_event_t generated;
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generated.window = client->frame;
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generated.count = 0;
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handle_expose_event(NULL, conn, &generated);
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}
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/*
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* Renders the given container. Is called by render_layout() or individually (for example
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* when focus changes in a stacking container)
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*
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*/
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void render_container(xcb_connection_t *conn, Container *container) {
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Client *client;
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int num_clients = 0, current_client = 0;
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CIRCLEQ_FOREACH(client, &(container->clients), clients)
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num_clients++;
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if (container->mode == MODE_DEFAULT) {
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int height = (container->height / max(1, num_clients));
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int rest_pixels = (container->height % max(1, num_clients));
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DLOG("height per client = %d, rest = %d\n", height, rest_pixels);
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CIRCLEQ_FOREACH(client, &(container->clients), clients) {
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/* If the client is in fullscreen mode, it does not get reconfigured */
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if (container->workspace->fullscreen_client == client) {
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current_client++;
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continue;
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}
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/* If we have some pixels left to distribute, add one
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* pixel to each client as long as possible. */
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int this_height = height;
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if (rest_pixels > 0) {
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height++;
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rest_pixels--;
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}
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/* Check if we changed client->x or client->y by updating it.
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* Note the bitwise OR instead of logical OR to force evaluation of both statements */
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if (client->force_reconfigure |
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update_if_necessary(&(client->rect.x), container->x) |
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update_if_necessary(&(client->rect.y), container->y +
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(container->height / num_clients) * current_client) |
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update_if_necessary(&(client->rect.width), container->width) |
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update_if_necessary(&(client->rect.height), this_height))
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resize_client(conn, client);
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/* TODO: vertical default layout */
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client->force_reconfigure = false;
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current_client++;
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}
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} else {
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i3Font *font = load_font(conn, config.font);
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int decoration_height = (font->height + 2 + 2);
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struct Stack_Window *stack_win = &(container->stack_win);
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/* The size for each tab (width), necessary as a separate variable
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* because num_clients gets fixed to 1 in tabbed mode. */
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int size_each = (num_clients == 0 ? container->width : container->width / num_clients);
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int stack_lines = num_clients;
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/* Check if we need to remap our stack title window, it gets unmapped when the container
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is empty in src/handlers.c:unmap_notify() */
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if (stack_win->rect.height == 0 && num_clients > 1) {
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DLOG("remapping stack win\n");
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xcb_map_window(conn, stack_win->window);
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} else DLOG("not remapping stackwin, height = %d, num_clients = %d\n",
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stack_win->rect.height, num_clients);
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if (container->mode == MODE_TABBED) {
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/* By setting num_clients to 1 we force that the stack window will be only one line
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* high. The rest of the code is useful in both cases. */
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DLOG("tabbed mode, setting num_clients = 1\n");
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if (stack_lines > 1)
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stack_lines = 1;
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}
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if (container->stack_limit == STACK_LIMIT_COLS) {
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stack_lines = ceil((float)num_clients / container->stack_limit_value);
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} else if (container->stack_limit == STACK_LIMIT_ROWS) {
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stack_lines = min(num_clients, container->stack_limit_value);
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}
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int height = decoration_height * stack_lines;
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if (num_clients == 1) {
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height = 0;
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stack_win->rect.height = 0;
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xcb_unmap_window(conn, stack_win->window);
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DLOG("Just one client, setting height to %d\n", height);
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}
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/* Check if we need to reconfigure our stack title window */
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if (height > 0 && (
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update_if_necessary(&(stack_win->rect.x), container->x) |
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update_if_necessary(&(stack_win->rect.y), container->y) |
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update_if_necessary(&(stack_win->rect.width), container->width) |
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update_if_necessary(&(stack_win->rect.height), height))) {
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/* Configuration can happen in two slightly different ways:
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If there is no client in fullscreen mode, 5 parameters are passed
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(x, y, width, height, stack mode is set to above which means top-most position).
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|
||
If there is a fullscreen client, the fourth parameter is set to to the
|
||
fullscreen window as sibling and the stack mode is set to below, which means
|
||
that the stack_window will be placed just below the sibling, that is, under
|
||
the fullscreen window.
|
||
*/
|
||
uint32_t values[] = { stack_win->rect.x, stack_win->rect.y,
|
||
stack_win->rect.width, stack_win->rect.height,
|
||
XCB_STACK_MODE_ABOVE, XCB_STACK_MODE_BELOW };
|
||
uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
|
||
XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
|
||
XCB_CONFIG_WINDOW_STACK_MODE;
|
||
|
||
/* Raise the stack window, but keep it below the first floating client
|
||
* and below the fullscreen client (if any) */
|
||
Client *first_floating = TAILQ_FIRST(&(container->workspace->floating_clients));
|
||
if (first_floating != TAILQ_END(&(container->workspace->floating_clients))) {
|
||
mask |= XCB_CONFIG_WINDOW_SIBLING;
|
||
values[4] = first_floating->frame;
|
||
} else if (container->workspace->fullscreen_client != NULL) {
|
||
mask |= XCB_CONFIG_WINDOW_SIBLING;
|
||
values[4] = container->workspace->fullscreen_client->frame;
|
||
}
|
||
|
||
xcb_configure_window(conn, stack_win->window, mask, values);
|
||
}
|
||
|
||
/* Prepare the pixmap for usage */
|
||
if (num_clients > 1)
|
||
cached_pixmap_prepare(conn, &(stack_win->pixmap));
|
||
|
||
int current_row = 0, current_col = 0;
|
||
int wrap = 0;
|
||
|
||
if (container->stack_limit == STACK_LIMIT_COLS) {
|
||
/* wrap stores the number of rows after which we will
|
||
* wrap to a new column. */
|
||
wrap = ceil((float)num_clients / container->stack_limit_value);
|
||
} else if (container->stack_limit == STACK_LIMIT_ROWS) {
|
||
/* When limiting rows, the wrap variable serves a
|
||
* slightly different purpose: it holds the number of
|
||
* pixels which each client will get. This is constant
|
||
* during the following loop, so it saves us some
|
||
* divisions and ceil()ing. */
|
||
wrap = (stack_win->rect.width / ceil((float)num_clients / container->stack_limit_value));
|
||
}
|
||
|
||
/* Render the decorations of all clients */
|
||
CIRCLEQ_FOREACH(client, &(container->clients), clients) {
|
||
/* If the client is in fullscreen mode, it does not get reconfigured */
|
||
if (container->workspace->fullscreen_client == client) {
|
||
current_client++;
|
||
continue;
|
||
}
|
||
|
||
/* Check if we changed client->x or client->y by updating it.
|
||
* Note the bitwise OR instead of logical OR to force evaluation of all statements */
|
||
if (client->force_reconfigure |
|
||
update_if_necessary(&(client->rect.x), container->x) |
|
||
update_if_necessary(&(client->rect.y), container->y + height) |
|
||
update_if_necessary(&(client->rect.width), container->width) |
|
||
update_if_necessary(&(client->rect.height), container->height - height))
|
||
resize_client(conn, client);
|
||
|
||
client->force_reconfigure = false;
|
||
|
||
int offset_x = 0;
|
||
int offset_y = 0;
|
||
if (container->mode == MODE_STACK ||
|
||
(container->mode == MODE_TABBED &&
|
||
container->stack_limit == STACK_LIMIT_COLS)) {
|
||
if (container->stack_limit == STACK_LIMIT_COLS) {
|
||
offset_x = current_col * (stack_win->rect.width / container->stack_limit_value);
|
||
offset_y = current_row * decoration_height;
|
||
current_row++;
|
||
if ((current_row % wrap) == 0) {
|
||
current_col++;
|
||
current_row = 0;
|
||
}
|
||
} else if (container->stack_limit == STACK_LIMIT_ROWS) {
|
||
offset_x = current_col * wrap;
|
||
offset_y = current_row * decoration_height;
|
||
current_row++;
|
||
if ((current_row % container->stack_limit_value) == 0) {
|
||
current_col++;
|
||
current_row = 0;
|
||
}
|
||
} else {
|
||
offset_y = current_client * decoration_height;
|
||
}
|
||
current_client++;
|
||
} else if (container->mode == MODE_TABBED) {
|
||
if (container->stack_limit == STACK_LIMIT_ROWS) {
|
||
LOG("You limited a tabbed container in its rows. "
|
||
"This makes no sense in tabbing mode.\n");
|
||
}
|
||
offset_x = current_client++ * size_each;
|
||
}
|
||
if (stack_win->pixmap.id == XCB_NONE)
|
||
continue;
|
||
decorate_window(conn, client, stack_win->pixmap.id,
|
||
stack_win->pixmap.gc, offset_x, offset_y);
|
||
}
|
||
|
||
/* Check if we need to fill one column because of an uneven
|
||
* amount of windows */
|
||
if (container->mode == MODE_STACK) {
|
||
if (container->stack_limit == STACK_LIMIT_COLS && (current_col % 2) != 0) {
|
||
xcb_change_gc_single(conn, stack_win->pixmap.gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
|
||
|
||
int offset_x = current_col * (stack_win->rect.width / container->stack_limit_value);
|
||
int offset_y = current_row * decoration_height;
|
||
xcb_rectangle_t rect = {offset_x, offset_y,
|
||
offset_x + container->width,
|
||
offset_y + decoration_height };
|
||
xcb_poly_fill_rectangle(conn, stack_win->pixmap.id, stack_win->pixmap.gc, 1, &rect);
|
||
} else if (container->stack_limit == STACK_LIMIT_ROWS && (current_row % 2) != 0) {
|
||
xcb_change_gc_single(conn, stack_win->pixmap.gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
|
||
|
||
int offset_x = current_col * wrap;
|
||
int offset_y = current_row * decoration_height;
|
||
xcb_rectangle_t rect = {offset_x, offset_y,
|
||
offset_x + container->width,
|
||
offset_y + decoration_height };
|
||
xcb_poly_fill_rectangle(conn, stack_win->pixmap.id, stack_win->pixmap.gc, 1, &rect);
|
||
}
|
||
}
|
||
|
||
if (stack_win->pixmap.id == XCB_NONE)
|
||
return;
|
||
xcb_copy_area(conn, stack_win->pixmap.id, stack_win->window, stack_win->pixmap.gc,
|
||
0, 0, 0, 0, stack_win->rect.width, stack_win->rect.height);
|
||
}
|
||
}
|
||
|
||
static void render_bars(xcb_connection_t *conn, Workspace *r_ws, int width, int *height) {
|
||
Client *client;
|
||
SLIST_FOREACH(client, &(r_ws->output->dock_clients), dock_clients) {
|
||
DLOG("client is at %d, should be at %d\n", client->rect.y, *height);
|
||
if (client->force_reconfigure |
|
||
update_if_necessary(&(client->rect.x), r_ws->rect.x) |
|
||
update_if_necessary(&(client->rect.y), *height))
|
||
reposition_client(conn, client);
|
||
|
||
if (client->force_reconfigure |
|
||
update_if_necessary(&(client->rect.width), width) |
|
||
update_if_necessary(&(client->rect.height), client->desired_height))
|
||
resize_client(conn, client);
|
||
|
||
client->force_reconfigure = false;
|
||
DLOG("desired_height = %d\n", client->desired_height);
|
||
*height += client->desired_height;
|
||
}
|
||
}
|
||
|
||
static void render_internal_bar(xcb_connection_t *conn, Workspace *r_ws, int width, int height) {
|
||
i3Font *font = load_font(conn, config.font);
|
||
Output *output = r_ws->output;
|
||
enum { SET_NORMAL = 0, SET_FOCUSED = 1 };
|
||
|
||
/* Fill the whole bar in black */
|
||
xcb_change_gc_single(conn, output->bargc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
|
||
xcb_rectangle_t rect = {0, 0, width, height};
|
||
xcb_poly_fill_rectangle(conn, output->bar, output->bargc, 1, &rect);
|
||
|
||
/* Set font */
|
||
xcb_change_gc_single(conn, output->bargc, XCB_GC_FONT, font->id);
|
||
|
||
int drawn = 0;
|
||
Workspace *ws;
|
||
TAILQ_FOREACH(ws, workspaces, workspaces) {
|
||
if (ws->output != output)
|
||
continue;
|
||
|
||
struct Colortriple *color;
|
||
|
||
if (output->current_workspace == ws)
|
||
color = &(config.bar.focused);
|
||
else if (ws->urgent)
|
||
color = &(config.bar.urgent);
|
||
else color = &(config.bar.unfocused);
|
||
|
||
/* Draw the outer rect */
|
||
xcb_draw_rect(conn, output->bar, output->bargc, color->border,
|
||
drawn, /* x */
|
||
1, /* y */
|
||
ws->text_width + 5 + 5, /* width = text width + 5 px left + 5px right */
|
||
height - 2 /* height = max. height - 1 px upper and 1 px bottom border */);
|
||
|
||
/* Draw the background of this rect */
|
||
xcb_draw_rect(conn, output->bar, output->bargc, color->background,
|
||
drawn + 1,
|
||
2,
|
||
ws->text_width + 4 + 4,
|
||
height - 4);
|
||
|
||
xcb_change_gc_single(conn, output->bargc, XCB_GC_FOREGROUND, color->text);
|
||
xcb_change_gc_single(conn, output->bargc, XCB_GC_BACKGROUND, color->background);
|
||
xcb_image_text_16(conn, ws->name_len, output->bar, output->bargc, drawn + 5 /* X */,
|
||
font->height + 1 /* Y = baseline of font */,
|
||
(xcb_char2b_t*)ws->name);
|
||
drawn += ws->text_width + 12;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Modifies the event mask of all clients on the given workspace to either ignore or to handle
|
||
* enter notifies. It is handy to ignore notifies because they will be sent when a window is mapped
|
||
* under the cursor, thus when the user didn’t enter the window actively at all.
|
||
*
|
||
*/
|
||
void ignore_enter_notify_forall(xcb_connection_t *conn, Workspace *workspace, bool ignore_enter_notify) {
|
||
Client *client;
|
||
uint32_t values[1];
|
||
|
||
FOR_TABLE(workspace) {
|
||
if (workspace->table[cols][rows] == NULL)
|
||
continue;
|
||
|
||
CIRCLEQ_FOREACH(client, &(workspace->table[cols][rows]->clients), clients) {
|
||
/* Change event mask for the decorations */
|
||
values[0] = FRAME_EVENT_MASK;
|
||
if (ignore_enter_notify)
|
||
values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW);
|
||
xcb_change_window_attributes(conn, client->frame, XCB_CW_EVENT_MASK, values);
|
||
|
||
/* Change event mask for the child itself */
|
||
values[0] = CHILD_EVENT_MASK;
|
||
if (ignore_enter_notify)
|
||
values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW);
|
||
xcb_change_window_attributes(conn, client->child, XCB_CW_EVENT_MASK, values);
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Renders the given workspace on the given screen
|
||
*
|
||
*/
|
||
void render_workspace(xcb_connection_t *conn, Output *output, Workspace *r_ws) {
|
||
i3Font *font = load_font(conn, config.font);
|
||
int width = r_ws->rect.width;
|
||
int height = r_ws->rect.height;
|
||
|
||
/* Reserve space for dock clients */
|
||
Client *client;
|
||
SLIST_FOREACH(client, &(output->dock_clients), dock_clients)
|
||
height -= client->desired_height;
|
||
|
||
/* Space for the internal bar */
|
||
height -= (font->height + 6);
|
||
|
||
int xoffset[r_ws->rows];
|
||
int yoffset[r_ws->cols];
|
||
/* Initialize offsets */
|
||
for (int cols = 0; cols < r_ws->cols; cols++)
|
||
yoffset[cols] = r_ws->rect.y;
|
||
for (int rows = 0; rows < r_ws->rows; rows++)
|
||
xoffset[rows] = r_ws->rect.x;
|
||
|
||
ignore_enter_notify_forall(conn, r_ws, true);
|
||
|
||
/* Go through the whole table and render what’s necessary */
|
||
FOR_TABLE(r_ws) {
|
||
Container *container = r_ws->table[cols][rows];
|
||
if (container == NULL)
|
||
continue;
|
||
int single_width = -1, single_height = -1;
|
||
/* Update position of the container */
|
||
container->row = rows;
|
||
container->col = cols;
|
||
container->x = xoffset[rows];
|
||
container->y = yoffset[cols];
|
||
container->width = 0;
|
||
|
||
for (int c = 0; c < container->colspan; c++) {
|
||
if (r_ws->width_factor[cols+c] == 0)
|
||
container->width += (width / r_ws->cols);
|
||
else container->width += get_unoccupied_x(r_ws) * r_ws->width_factor[cols+c];
|
||
|
||
if (single_width == -1)
|
||
single_width = container->width;
|
||
}
|
||
|
||
DLOG("height is %d\n", height);
|
||
|
||
container->height = 0;
|
||
|
||
for (int c = 0; c < container->rowspan; c++) {
|
||
if (r_ws->height_factor[rows+c] == 0)
|
||
container->height += (height / r_ws->rows);
|
||
else container->height += get_unoccupied_y(r_ws) * r_ws->height_factor[rows+c];
|
||
|
||
if (single_height == -1)
|
||
single_height = container->height;
|
||
}
|
||
|
||
/* Render the container if it is not empty */
|
||
render_container(conn, container);
|
||
|
||
xoffset[rows] += single_width;
|
||
yoffset[cols] += single_height;
|
||
}
|
||
|
||
ignore_enter_notify_forall(conn, r_ws, false);
|
||
|
||
render_bars(conn, r_ws, width, &height);
|
||
render_internal_bar(conn, r_ws, width, font->height + 6);
|
||
}
|
||
|
||
/*
|
||
* Renders the whole layout, that is: Go through each screen, each workspace, each container
|
||
* and render each client. This also renders the bars.
|
||
*
|
||
* If you don’t need to render *everything*, you should call render_container on the container
|
||
* you want to refresh.
|
||
*
|
||
*/
|
||
void render_layout(xcb_connection_t *conn) {
|
||
Output *output;
|
||
|
||
TAILQ_FOREACH(output, &outputs, outputs)
|
||
if (output->current_workspace != NULL)
|
||
render_workspace(conn, output, output->current_workspace);
|
||
|
||
xcb_flush(conn);
|
||
}
|