Created
August 4, 2011 06:39
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GTK+ front-end wrapper around the UNIX which(1) command
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/* gwhich.c -by Ryan Kulla | |
* GTK+ front-end wrapper around the which(1) command. | |
* Compile with: gcc gwhich.c -o gwhich `pkg-config --cflags --libs gtk+-2.0` | |
* Usage: gwhich | |
*/ | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <errno.h> | |
#include <string.h> | |
#include <gtk/gtk.h> | |
GtkWidget *get_window(void); | |
void build_window(GtkWidget *window, char *title); | |
GtkWidget *get_vbox(GtkWidget *window); | |
void show_vbox(GtkWidget *window, GtkWidget *vbox); | |
GtkWidget *get_entry(void); | |
void build_entry(GtkWidget *vbox, GtkWidget *entry); | |
void enter_callback(GtkWidget *widget, GtkWidget *entry); | |
GtkWidget *get_frame(void); | |
void build_label_frame(GtkWidget *vbox, GtkWidget *frame); | |
GtkWidget *get_hbox(void); | |
void show_hbox(GtkWidget *vbox, GtkWidget *hbox); | |
GtkWidget *get_button(char *msg); | |
GtkWidget *build_button(GtkWidget *window, GtkWidget *vbox, GtkWidget *button); | |
GtkWidget *label; | |
gchar *result_path; | |
GtkWidget *get_window(void) { | |
return gtk_window_new(GTK_WINDOW_TOPLEVEL); | |
} | |
void build_window(GtkWidget *window, char *title) { | |
gtk_widget_set_usize(GTK_WIDGET(window), 255, 200); | |
gtk_window_set_title(GTK_WINDOW(window), title); | |
gtk_signal_connect(GTK_OBJECT(window), "delete_event", | |
(GtkSignalFunc) gtk_exit, NULL); | |
} | |
GtkWidget *get_vbox(GtkWidget *window) { | |
return gtk_vbox_new(FALSE, 0); | |
} | |
void show_vbox(GtkWidget *window, GtkWidget *vbox) { | |
gtk_container_add(GTK_CONTAINER(window), vbox); | |
gtk_widget_show(vbox); | |
} | |
GtkWidget *get_entry(void) { | |
return gtk_entry_new_with_max_length(256); | |
} | |
void build_entry(GtkWidget *vbox, GtkWidget *entry) { | |
gtk_signal_connect(GTK_OBJECT(entry), "activate", GTK_SIGNAL_FUNC(enter_callback), entry); | |
gtk_entry_set_text(GTK_ENTRY(entry), "some"); | |
gtk_entry_append_text(GTK_ENTRY(entry), " command"); | |
gtk_entry_select_region(GTK_ENTRY(entry), 0, GTK_ENTRY(entry)->text_length); | |
gtk_box_pack_start(GTK_BOX(vbox), entry, TRUE, TRUE, 0); | |
} | |
void enter_callback(GtkWidget *widget, GtkWidget *entry) { | |
char buf[256], *cp, command[256], no_match[100]; | |
FILE *p; | |
result_path = gtk_entry_get_text(GTK_ENTRY(entry)); | |
sprintf(command, "which %s", result_path); | |
sprintf(no_match, "Can't find %s", result_path); | |
p = popen(cp = command, "r"); | |
while (fgets(buf, sizeof buf, p) != 0); | |
if (buf[0] != '/') { | |
gtk_label_set_text(GTK_LABEL(label), no_match); | |
} else { | |
gtk_label_set_text(GTK_LABEL(label), buf); | |
} | |
pclose(p); | |
} | |
GtkWidget *get_frame(void) { | |
return gtk_frame_new("Path: "); | |
} | |
void build_label_frame(GtkWidget *vbox, GtkWidget *frame) { | |
label = gtk_label_new(result_path); | |
gtk_container_add(GTK_CONTAINER(frame), label); | |
gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 0); | |
} | |
GtkWidget *get_hbox(void) { | |
return gtk_hbox_new(FALSE, 0); | |
} | |
void show_hbox(GtkWidget *vbox, GtkWidget *hbox) { | |
gtk_container_add(GTK_CONTAINER(vbox), hbox); | |
gtk_widget_show(hbox); | |
} | |
GtkWidget *get_button(char *msg) { | |
return gtk_button_new_with_label(msg); | |
} | |
GtkWidget *build_button(GtkWidget *window, GtkWidget *vbox, GtkWidget *button) { | |
gtk_signal_connect_object(GTK_OBJECT(button), "clicked", | |
GTK_SIGNAL_FUNC(gtk_exit), GTK_OBJECT(window)); | |
gtk_box_pack_start(GTK_BOX(vbox), button, TRUE, TRUE, 0); | |
GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT); | |
gtk_widget_grab_default(button); | |
} | |
int main(int argc, char *argv[]) { | |
GtkWidget *window, *vbox, *hbox, *entry, *button, *frame; | |
gtk_init(&argc, &argv); | |
window = get_window(); | |
build_window(window, "which(1) GUI"); | |
vbox = get_vbox(window); | |
show_vbox(window, vbox); | |
entry = get_entry(); | |
build_entry(vbox, entry); | |
gtk_widget_show(entry); | |
frame = get_frame(); | |
build_label_frame(vbox, frame); | |
gtk_widget_show(label); | |
gtk_widget_show(frame); | |
hbox = get_hbox(); | |
show_hbox(vbox, hbox); | |
button = get_button("Close"); | |
build_button(window, vbox, button); | |
gtk_widget_show(button); | |
gtk_widget_show(window); | |
gtk_main(); | |
return(0); | |
} |
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