GtkGrid gtk_grid

void
gtk_grid_attach (GtkGrid *grid,GtkWidget *child,gint left,  // 左，相当于第一列，从0开始，跟数组一样gint top,  // 上，相当于第一行，从0开始gint width,gint height);

// demo.c
#include <gtk/gtk.h>static GtkWidget *create_window(const gint, const gint);
static void load_css(void);int main(void)
{GtkWidget *window;GtkWidget *grid;GtkWidget *child1;GtkWidget *child2;GtkWidget *child3;GtkWidget *child4;gtk_init(NULL, NULL);load_css();window = create_window(400, 400);g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);grid = gtk_grid_new();gtk_container_add(GTK_CONTAINER(window), grid);child1 = gtk_grid_new();gtk_widget_set_name(child1, "myChild1");gtk_container_set_border_width(GTK_CONTAINER(child1), 3);gtk_widget_set_size_request(child1, 100, 100);gtk_grid_attach(GTK_GRID(grid), child1, 0, 0, 1, 1);child2 = gtk_grid_new();gtk_widget_set_name(child2, "myChild2");gtk_container_set_border_width(GTK_CONTAINER(child2), 3);gtk_widget_set_size_request(child2, 100, 100);gtk_grid_attach(GTK_GRID(grid), child2, 1, 0, 1, 1);child3 = gtk_grid_new();gtk_widget_set_name(child3, "myChild2");gtk_container_set_border_width(GTK_CONTAINER(child3), 3);gtk_widget_set_size_request(child3, 100, 100);gtk_grid_attach(GTK_GRID(grid), child3, 2, 0, 1, 1);child4 = gtk_grid_new();gtk_widget_set_name(child4, "myChild2");gtk_container_set_border_width(GTK_CONTAINER(child4), 3);gtk_widget_set_size_request(child4, 100, 100);gtk_grid_attach(GTK_GRID(grid), child4, 3, 0, 1, 1);gtk_widget_show_all(window);gtk_main();return 0;
}static GtkWidget *create_window(const gint w, const gint h)
{GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);gtk_window_set_default_size(GTK_WINDOW(window), w, h);gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);gtk_window_set_title(GTK_WINDOW(window), "Hello Grid");return window;
}static void load_css(void)
{GtkCssProvider *provider;GdkDisplay *display;GdkScreen *screen;const char *css_style_file = "style.css";GFile *css_fp = g_file_new_for_path(css_style_file);GError *error = 0;provider = gtk_css_provider_new();display = gdk_display_get_default();screen = gdk_display_get_default_screen(display);gtk_style_context_add_provider_for_screen(screen, GTK_STYLE_PROVIDER(provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);gtk_css_provider_load_from_file(provider, css_fp, &error);g_object_unref(provider);
}

window {background-color:bisque;
}grid {background-color: coral;
}#myChild1 {background-color: blue;
}#myChild2 {background-color:blueviolet
}

gcc demo.c `pkg-config --cflags --libs gtk+-3.0`

效果：

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