add titlebar config option tests

Makefile

@@ -3,7 +3,8 @@ EXT=.c
 FLAGS=-O0 -g
 DEBUG_FLAGS=-DDEBUG -fsanitize=undefined -fsanitize=address
 DEPFLAGS=-MD -MP
-LIBS=$(shell pkg-config --libs xcb x11 xinerama json-c)
+LIBS=$(shell pkg-config --libs xcb x11 xinerama xft json-c cmocka)
+FLAGS+=$(shell pkg-config --cflags xcb x11 xinerama xft json-c cmocka)
 EXEC_NAME=wm
 
 OBJDIR=obj

src/client.c

@@ -20,6 +20,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "client.h"
 #include "util.h"
 #include "wm.h"
+#include <X11/Xft/Xft.h>
 #include <X11/Xlib.h>
 #include <assert.h>
 #include <stdio.h>
@@ -162,6 +163,7 @@ void wm_client_hide(Wm *wm, Client *c)
         return;
 
     c->hidden = true;
+    XUnmapWindow(wm->display, c->frame);
     XUnmapWindow(wm->display, c->window);
 }
 
@@ -173,6 +175,7 @@ void wm_client_show(Wm *wm, Client *c)
         return;
 
     c->hidden = false;
+    XMapWindow(wm->display, c->frame);
     XMapWindow(wm->display, c->window);
 }
 
@@ -195,6 +198,7 @@ void wm_client_focus(Wm *wm, Client *c)
     TreeNode *node = wm_treenode_ptr_find_client_node(c->ws->tree, c);
     c->ws->focused_node = node;
     wm_monitor_clients_border(wm, c->m);
+    wm_monitor_draw_all_clients_frame(wm, c->m);
 }
 
 void wm_client_focus_dir(Wm *wm, Client *c, int dir)
@@ -270,6 +274,8 @@ void wm_client_kill(Wm *wm, Client *c)
     if (XSendEvent(wm->display, c->window, false, NoEventMask, &event) != Success)
         XKillClient(wm->display, c->window);
 
+    XDestroyWindow(wm->display, c->frame);
+
     TreeNode* parent = wm_treenode_remove_client(wm, c->ws->tree, c);
 
     wm_client_free(wm, c);
@@ -470,3 +476,38 @@ bool wm_client_is_focused(Wm *wm, Client *c)
 
     return false;
 }
+
+void wm_client_draw_frame(Wm *wm, Client *c)
+{
+    if (!wm->config.show_titlebar) return;
+    DEBUG_PRINT("%s\n", __func__);
+
+
+    int screen = DefaultScreen(wm->display);
+    Visual *visual = DefaultVisual(wm->display, screen);
+    Colormap cmap = DefaultColormap(wm->display, screen);
+
+    XftDraw *draw = XftDrawCreate(wm->display, c->frame, visual, cmap);
+
+    XftDrawRect(draw, (wm_client_is_focused(wm, c) ? &wm->titlebar_focused_color :
+                &wm->titlebar_color), 0, 0, c->w, c->h);
+
+    XftDrawStringUtf8(draw, &wm->titlebar_text_color, wm->titlebar_font,
+                      20, 30, (void*)c->name, strlen(c->name));
+    XftDrawDestroy(draw);
+}
+
+void wm_monitor_draw_all_clients_frame(Wm* wm, Monitor *m)
+{
+    DEBUG_PRINT("%s\n", __func__);
+    NodeArray *clients = wm_treenode_find_client_nodes(m->workspaces[m->selected_ws].tree);
+    if (clients->size == 0)
+        return;
+
+    for (size_t i = 0; i < clients->size; i++) {
+        Client *client = ((TreeNode*)clients->nodes[i])->client;
+        wm_client_draw_frame(wm, client);
+    }
+
+    wm_nodearray_free(clients);
+}

src/client.h

@@ -38,6 +38,7 @@ struct Client {
     bool hidden;
     Monitor *m;
     Window window;
+    Window frame;
     Client *prev;
     Client *next;
     char *name;
@@ -72,6 +73,7 @@ void wm_client_border_focused(Wm* wm, Client *c);
 void wm_monitor_clients_border(Wm* wm, Monitor *m);
 bool wm_client_is_focused(Wm* wm, Client *c);
 
-
+void wm_client_draw_frame(Wm *wm, Client *c);
+void wm_monitor_draw_all_clients_frame(Wm* wm, Monitor *m);
 
 #endif

src/config.c

@@ -57,10 +57,15 @@ static const KeybindFunctionCommand __wm_keybind_commands[] = {
 void wm_cfg_init_def(Config *config)
 {
     config->ms_p = 0.5;
-    strncpy(config->border_col, "#222222", CONFIG_COLOR_MAX);
+    strcpy(config->border_col, "#222222");
-    strncpy(config->focused_border_col, "#444444", CONFIG_COLOR_MAX);
+    strcpy(config->focused_border_col, "#444444");
     config->border_width = 2;
     config->focus_on_motion = true;
+    config->show_titlebar = true;
+    strcpy(config->titlebar_color, "#000000");
+    strcpy(config->titlebar_focused_color, "#4169e1");
+    strcpy(config->titlebar_font, "monospace:size=18:antialias=true");
+    strcpy(config->titlebar_text_color, "#ffffff");
 
     wm_keybinds_init_def(config);
 
@@ -237,6 +242,26 @@ void wm_configfile_init(ConfigFile *config, const char *filename)
         (ConfigCommand) {.string = "focus_on_motion", .arg_count = 1,
                          .cfg_var_offset[0] = offsetof(Config, focus_on_motion),
                          .argc = 0, .arg_type = TYPE_BOOL},
+
+        (ConfigCommand) {.string = "show_titlebar", .arg_count = 1,
+                         .cfg_var_offset[0] = offsetof(Config, show_titlebar),
+                         .argc = 0, .arg_type = TYPE_BOOL},
+
+        (ConfigCommand) {.string = "titlebar_color", .arg_count = 1,
+                         .cfg_var_offset[0] = offsetof(Config, titlebar_color),
+                         .argc = 0, .arg_type = TYPE_STRING},
+
+        (ConfigCommand) {.string = "titlebar_focused_color", .arg_count = 1,
+                         .cfg_var_offset[0] = offsetof(Config, titlebar_focused_color),
+                         .argc = 0, .arg_type = TYPE_STRING},
+
+        (ConfigCommand) {.string = "titlebar_font", .arg_count = 1,
+                         .cfg_var_offset[0] = offsetof(Config, titlebar_font),
+                         .argc = 0, .arg_type = TYPE_STRING},
+
+        (ConfigCommand) {.string = "titlebar_text_color", .arg_count = 1,
+                         .cfg_var_offset[0] = offsetof(Config, titlebar_text_color),
+                         .argc = 0, .arg_type = TYPE_STRING},
     };
 
     config->command_count = sizeof(commands) / sizeof (commands[0]);
@@ -605,6 +630,7 @@ int wm_string_to_direction(const char *str)
 KeybindFunction wm_str_to_keybindfunction(const char* str)
 {
     DEBUG_PRINT("%s %s\n", __func__, str);
+
     char lower[CONFIG_ARGLEN_MAX];
     strncpy(lower, str, CONFIG_ARGLEN_MAX);
 

src/config.h

@@ -87,6 +87,11 @@ typedef struct {
     Keybind *keybinds;
     int kb_count;
     bool focus_on_motion;
+    bool show_titlebar;
+    char titlebar_color[CONFIG_COLOR_MAX];
+    char titlebar_focused_color[CONFIG_COLOR_MAX];
+    char titlebar_font[CONFIG_ARGLEN_MAX];
+    char titlebar_text_color[CONFIG_COLOR_MAX];
     char log_path[PATH_MAX];
 } Config;
 

src/handler.c

@@ -94,8 +94,22 @@ void wm_maprequest_handler(Wm *wm, XMapRequestEvent e)
 
     DEBUG_PRINT("%s: client not found, creating client\n", __func__)
 
+    Window frame = XCreateSimpleWindow(wm->display, wm->root.window, 0, 0,
+                                       10, 10, 0, 0, 0);
+
+    XReparentWindow(wm->display, e.window, frame, 0, 0);
+
+    XTextProperty xtp;
+    XGetWMName(wm->display, e.window, &xtp);
+    XSetWMName(wm->display, frame, &xtp);
+    XFree(xtp.value);
+
+    XMapWindow(wm->display, frame);
+    XMapWindow(wm->display, e.window);
+
     c = wm_client_create(wm, e.window);
     RETURN_IF_NULL(c);
+    c->frame = frame;
 
     wm_ws_tree_insert_client(wm, c->ws, c);
 

src/tests.c

@@ -631,7 +631,11 @@ static void test_wm_config(void **state)
         "focused_border_color #445566\n"
         "border_width 1\n"
         "keybind Windows+Alt+Shift+h focus left\n"
-        "focus_on_motion true\n";
+        "show_titlebar true\n"
+        "titlebar_color #001234\n"
+        "titlebar_focused_color #004321\n"
+        "titlebar_font monospace:size=17:antialias=true\n"
+        "titlebar_text_color #aabbcc\n";
 
     char tmp[] = "/tmp/XXXXXX";
     mkstemp(tmp);
@@ -675,6 +679,11 @@ static void test_wm_config(void **state)
 
     assert_true(found_keybind);
     assert_true(config.focus_on_motion);
+    assert_true(config.show_titlebar);
+    assert_string_equal(config.titlebar_color, "#001234");
+    assert_string_equal(config.titlebar_focused_color, "#004321");
+    assert_string_equal(config.titlebar_font, "monospace:size=17:antialias=true");
+    assert_string_equal(config.titlebar_text_color, "#aabbcc");
 
     wm_configfile_free(&file);
     wm_keybinds_free(&config);

src/wm.c

@@ -31,6 +31,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/extensions/Xinerama.h>
+#include <X11/Xft/Xft.h>
 #include "wm.h"
 #include "config.h"
 #include "handler.h"
@@ -317,11 +318,21 @@ void wm_layout(Wm *wm, Monitor *m)
 
         unsigned int value_mask = CWX | CWY | CWWidth | CWHeight;
         XWindowChanges xwc = wm_client_to_xwchanges((client));
-        XConfigureWindow(wm->display, client->window, value_mask, &xwc);
+        XConfigureWindow(wm->display, client->frame, value_mask, &xwc);
-        wm_client_show(wm, client);
-    }
 
-    wm_client_focus(wm, ((TreeNode*)clients->nodes[0])->client);
+        if (wm->config.show_titlebar) {
+            xwc.y = wm->titlebar_font->height * 2;
+            xwc.x = 0;
+            xwc.height -= wm->titlebar_font->height * 2;
+        } else {
+            xwc.y = 0;
+            xwc.x = 0;
+        }
+
+        XConfigureWindow(wm->display, client->window, value_mask, &xwc);
+
+        wm_client_draw_frame(wm, client);
+    }
 
     XEvent e;
     XSync(wm->display, False);
@@ -444,6 +455,42 @@ void wm_init(Wm *wm)
     //     exit(1);
     // }
 
+    // initialize titlebar font
+    int screen = DefaultScreen(wm->display);
+    wm->titlebar_font = XftFontOpenName(wm->display, screen, wm->config.titlebar_font);
+    if (!wm->titlebar_font) {
+        fprintf(stderr, "wm: could not open font \"%s\". exiting.\n",
+                wm->config.titlebar_font);
+        exit(1);
+    }
+
+    // initialize titlebar colors
+    Visual *visual = DefaultVisual(wm->display, screen);
+    Colormap cmap = DefaultColormap(wm->display, screen);
+    int ret = XftColorAllocName(wm->display, visual, cmap, wm->config.titlebar_color,
+                                &wm->titlebar_color);
+    if (ret == 0) {
+        fprintf(stderr, "wm: could not allocate color \"%s\". exiting.\n",
+                wm->config.titlebar_color);
+        exit(1);
+    }
+
+    ret = XftColorAllocName(wm->display, visual, cmap, wm->config.titlebar_focused_color,
+                            &wm->titlebar_focused_color);
+    if (ret == 0) {
+        fprintf(stderr, "wm: could not allocate color \"%s\". exiting.\n",
+                wm->config.titlebar_focused_color);
+        exit(1);
+    }
+
+    ret = XftColorAllocName(wm->display, visual, cmap, wm->config.titlebar_text_color,
+                            &wm->titlebar_text_color);
+    if (ret == 0) {
+        fprintf(stderr, "wm: could not allocate color \"%s\". exiting.\n",
+                wm->config.titlebar_text_color);
+        exit(1);
+    }
+
     wm_set_supported_atoms(wm);
 
     wm->dock = ULONG_MAX;
@@ -479,6 +526,15 @@ void wm_exit(Wm *wm)
         }
     }
 
+    // free titlebar font and colors
+    int screen = DefaultScreen(wm->display);
+    Visual *visual = DefaultVisual(wm->display, screen);
+    Colormap cmap = DefaultColormap(wm->display, screen);
+    XftColorFree(wm->display, visual, cmap, &wm->titlebar_color);
+    XftColorFree(wm->display, visual, cmap, &wm->titlebar_focused_color);
+    XftColorFree(wm->display, visual, cmap, &wm->titlebar_text_color);
+    XftFontClose(wm->display, wm->titlebar_font);
+
     XCloseDisplay(wm->display);
 
     exit(EXIT_SUCCESS);

src/wm.h

@@ -29,6 +29,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <X11/Xproto.h>
 #include <X11/Xatom.h>
 #include <X11/extensions/Xinerama.h>
+#include <X11/Xft/Xft.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <signal.h>
@@ -126,6 +127,11 @@ struct Wm {
 
     Config config;
 
+    XftColor titlebar_color;
+    XftColor titlebar_focused_color;
+    XftFont *titlebar_font;
+    XftColor titlebar_text_color;
+
     bool running;
     bool log_after_maprequest;
     int socket_fd;