/*
-# vlshow.c
-# Copyright (C) 2006 Joachim Breitner
+# sm.c
+# Copyright (C) 2006 - 2014 Joachim Breitner
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <pango/pango.h>
+#include <cairo.h>
#include <string.h>
#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
-static int min(int x, int y) {
- return x < y ? x : y;
-}
+#include "config.h"
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE /* for getopt_long */
+#endif
+#include <getopt.h>
+#define min(x,y) ((x) < (y) ? (x) : (y))
-static gboolean quality = TRUE;
-static gboolean need_resize = TRUE;
-static gboolean need_quick = TRUE;
+#define AUTOHIDE_TIMEOUT 3
+
+static int timeout_id=0;
static GtkWidget* window;
static GtkWidget* draw;
static GdkCursor *cursor;
static GtkWidget* quit;
static GtkWidget* tv;
-static GtkSettings* settings;
+static GtkWidget* entry_widget;
static GtkTextBuffer* tb;
static PangoFontDescription *font;
-static PangoLayout* layout;
+static char *foreground = NULL;
+static char *background = NULL;
+static GdkRGBA white, black;
+static char *fontdesc = NULL;
+static int rotation = 0; // 0 = normal, 1 = left, 2 = inverted, 3 = right
+static int alignment = 0; // 0 = centered, 1 = left-aligned, 2 = right-aligned
+static GString *partial_input;
+static gulong text_change_handler;
+
+gboolean hide_entry(gpointer *user_data) {
+ timeout_id = 0;
+ gtk_widget_hide(entry_widget);
+ gtk_widget_grab_focus(draw);
+ gtk_widget_queue_draw(draw);
+ gdk_window_set_cursor(gtk_widget_get_window(GTK_WIDGET(draw)), cursor);
+ return FALSE;
+}
+
+static void show_entry() {
+ if (timeout_id) {
+ g_source_remove(timeout_id);
+ timeout_id = 0;
+ }
+ gtk_widget_show(entry_widget);
+ gtk_widget_grab_focus(tv);
+ gdk_window_set_cursor(gtk_widget_get_window(GTK_WIDGET(draw)), NULL);
-static void realize(GtkWindow *window, GdkScreen *screen, gpointer data) {
- gdk_window_set_cursor(draw->window, cursor);
+ timeout_id = g_timeout_add_seconds (AUTOHIDE_TIMEOUT, (GSourceFunc)hide_entry, NULL);
}
static void clear_text(GtkAccelGroup *accel, GObject *window, guint keyval, GdkModifierType modifier) {
- gtk_text_buffer_set_text(tb,"",-1);
+ if( gtk_text_buffer_get_char_count(tb) ) {
+ gtk_text_buffer_set_text(tb,"",-1);
+ show_entry();
+ } else {
+ gtk_main_quit();
+ }
}
static char *get_text() {
}
-static void hq(gboolean q, gboolean force){
- if (q != quality)
- if (q)
- gtk_settings_set_long_property(settings,"gtk-xft-antialias",1,"Hier halt");
- else
- gtk_settings_set_long_property(settings,"gtk-xft-antialias",0,"Hier halt");
- else
- if (force)
- gtk_widget_queue_draw(draw);
+static void redraw(GtkWidget *draw, cairo_t *cr, gpointer data) {
+ int q;
- quality = q;
-}
+ gdk_cairo_set_source_rgba(cr, &white);
+ cairo_paint(cr);
-static void redraw() {
- const char *text = pango_layout_get_text(layout);
+ const char *text = get_text();
if (strlen(text) > 0) {
- GdkGC *gc = gtk_widget_get_style(draw)->fg_gc[GTK_STATE_NORMAL];
int w1, h1;
+ static PangoLayout* layout;
+
+ layout = gtk_widget_create_pango_layout(draw, get_text());
+ pango_layout_set_font_description(layout, font);
+
+ switch(alignment){
+ case 0: // center
+ pango_layout_set_alignment(layout,PANGO_ALIGN_CENTER);
+ break;
+ case 1: // left
+ pango_layout_set_alignment(layout,PANGO_ALIGN_LEFT);
+ break;
+ case 2: // left
+ pango_layout_set_alignment(layout,PANGO_ALIGN_RIGHT);
+ break;
+ default:
+ // we propably don't want to annoy the user, so default to
+ // the old default-behaviour:
+ pango_layout_set_alignment(layout,PANGO_ALIGN_CENTER);
+ }
+
+
pango_layout_get_pixel_size(layout, &w1, &h1);
if (w1>0 && h1>0) {
- int w2 = draw->allocation.width;
- int h2 = draw->allocation.height;
- gdk_draw_layout(draw->window, gc, (w2-w1)/2,(h2-h1)/2,layout);
- hq(TRUE, FALSE);
+ int w2 = gtk_widget_get_allocated_width(draw);
+ int h2 = gtk_widget_get_allocated_height(draw);
+
+ int rw1, rh1;
+ if (rotation == 0 || rotation == 2) {
+ rw1 = w1;
+ rh1 = h1;
+ } else {
+ rw1 = h1;
+ rh1 = w1;
+ }
+
+ double s = min ((double)w2/rw1, (double)h2/rh1);
+
+ if (alignment == 1) { // left align
+ cairo_translate(cr, (s * rw1)/2, h2/2);
+ } else if (alignment == 2) { // right align
+ cairo_translate(cr, w2 - (s * rw1)/2, h2/2);
+ } else {
+ cairo_translate(cr, w2/2, h2/2);
+ }
+ cairo_rotate(cr, rotation * M_PI_2);
+ cairo_scale(cr, s, s);
+ cairo_translate(cr, -w1/2, -h1/2);
+ gdk_cairo_set_source_rgba(cr, &black);
+ pango_cairo_show_layout (cr, layout);
}
+ g_object_unref(layout);
}
}
+static gboolean text_keypress(GtkWidget *widget, GdkEventButton *event, gpointer *user_data) {
+ // forward signal to the text view
+ gboolean ret;
+ g_signal_emit_by_name(tv, "key-press-event", event, &ret);
+ gtk_widget_grab_focus(tv);
+ return ret;
+}
+
static gboolean text_clicked(GtkWidget *widget, GdkEventButton *event, gpointer *user_data) {
+ show_entry();
if (event->type == GDK_BUTTON_PRESS && event->button == 2) {
GtkClipboard *cb = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
return FALSE;
}
-static void resize() {
- int w1, h1, w2, h2;
- pango_layout_get_pixel_size(layout, &w1, &h1);
- if (w1>0 && h1>0) {
- w2 = draw->allocation.width;
- h2 = draw->allocation.height;
- int s = pango_font_description_get_size(font);
- s = min ((s*w2/w1), (s*h2/h1));
- pango_font_description_set_size(font,s);
- pango_layout_set_font_description(layout, font);
- need_resize = FALSE;
+static gboolean read_chan(GIOChannel *chan, GIOCondition condition, gpointer data){
+ gchar buf[1024];
+ GString *input;
+ GIOStatus stat = G_IO_STATUS_NORMAL;
+ gsize read;
+ GError *err = NULL;
+
+ while ((stat = g_io_channel_read_chars(chan, buf, sizeof(buf), &read, &err)) == G_IO_STATUS_NORMAL && err == NULL) {
+ g_string_append_len(partial_input, buf, read);
+ }
+
+ if (err != NULL)
+ {
+ fprintf (stderr, "Unable to read stdin: %s\n", err->message);
+ g_error_free (err);
+ return TRUE;
+ }
+
+
+ if (stat == G_IO_STATUS_EOF) {
+ // There is an end of file, so use the whole input
+ input = g_string_new_len(partial_input->str, partial_input->len);
+ g_string_truncate(partial_input, 0);
+ } else {
+ // There is no end of file. Check for form feed characters.
+ // Use from the second-to-last to the last.
+ char *last_ff = strrchr(partial_input->str, '\f');
+ if (last_ff) {
+ *last_ff = '\0';
+ char *snd_last_ff = strrchr(partial_input->str, '\f');
+ if (snd_last_ff == NULL) snd_last_ff = partial_input->str;
+ input = g_string_new_len(snd_last_ff, last_ff - snd_last_ff);
+ g_string_erase(partial_input, 0, last_ff - partial_input->str + 1);
+ } else {
+ return TRUE;
+ }
+ }
+
+ // remove beginning and trailing newlines, if any
+ gssize cnt = 0;
+ while ((input->len > cnt) && (input->str[cnt] == '\n')) {
+ cnt++;
}
+ g_string_erase(input, 0, cnt);
+
+ while ((input->len > 0) && (input->str[input->len - 1] == '\n')) {
+ g_string_truncate(input, input->len - 1);
+ }
+
+ g_signal_handler_block (tb, text_change_handler);
+ gtk_text_buffer_set_text (tb, input->str, input->len);
+ g_signal_handler_unblock (tb, text_change_handler);
+
+ g_string_free(input, TRUE);
+
+ if (stat == G_IO_STATUS_AGAIN)
+ return TRUE;
else
- need_resize = TRUE;
+ return FALSE;
+}
+
+static void newtext() {
+ gtk_widget_queue_draw(draw);
+}
+
+static void newtext_show_input() {
+ show_entry();
+}
+
+static void move_cursor(GtkTextView* tv, GtkMovementStep step, gint count, gboolean extend_selection, gpointer user_data) {
+ show_entry();
+}
+
+static struct option const long_options[] =
+{
+ {"help", no_argument, NULL, 'h'},
+ {"version", no_argument, NULL, 'V'},
+ {"foreground", required_argument, NULL, 'f'},
+ {"background", required_argument, NULL, 'b'},
+ {"font", required_argument, NULL, 'n'},
+ {"rotate", required_argument, NULL, 'r'},
+ {"align", required_argument, NULL, 'a'},
+ {0,0,0,0}
+};
+
+static void usage(char *cmd) {
+ printf("Usage: %s [-h|--help] [-V|--version] [-f|--foreground=colordesc] [-b|--background=colordesc] [-n|--font=fontdesc] [-r|--rotate=0,1,2,3] [-a|--align=0,1,2]\n", cmd);
}
+static void version() {
+ printf("%s\n", PACKAGE_STRING);
+}
-static void newtext(char *text) {
- pango_layout_set_text(layout, get_text(), -1);
- resize();
- hq(FALSE, TRUE);
+gboolean my_gdk_rgba_parse (GdkRGBA *rgba, const gchar *spec) {
+ gboolean ret = gdk_rgba_parse(rgba, spec);
+ if (!ret) {
+ fprintf (stderr, "Failed to parse color specification %s\n", spec);
+ }
}
int main(int argc, char **argv) {
+ GString *input;
+ int c;
+ int input_provided = 0;
+
+ while ((c = getopt_long (argc, argv, "hVf:b:n:r:a:", long_options, (int *) 0)) != EOF) {
+ switch (c) {
+ case 'h':
+ usage(argv[0]);
+ return 0;
+ break;
+
+ case 'V':
+ version();
+ return 0;
+ break;
+
+ case 'f':
+ foreground = optarg;
+ break;
+
+ case 'b':
+ background = optarg;
+ break;
+
+ case 'n':
+ fontdesc = optarg;
+ break;
+ case 'r':
+ rotation = atoi(optarg);
+ break;
+ case 'a':
+ alignment = atoi(optarg);
+ break;
+ default:
+ /* unknown switch received - at least
+ * give usage but continue and use the
+ * data */
+ usage(argv[0]);
+ break;
+ }
+ }
+
gtk_init(&argc, &argv);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_window_set_decorated(GTK_WINDOW(window), FALSE);
+ gtk_window_set_icon_name (GTK_WINDOW (window), "sm");
gtk_window_fullscreen(GTK_WINDOW(window));
+
g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
- settings = gtk_settings_get_default();
- GdkColormap *colormap = gtk_widget_get_colormap(GTK_WIDGET(window));
- GdkColor white, black;
- gdk_colormap_alloc_color(colormap, &white, TRUE, TRUE);
- gdk_color_parse("white", &white);
- gdk_color_parse("black", &black);
- gtk_widget_modify_bg(window, GTK_STATE_NORMAL, &white);
- gtk_widget_modify_fg(window, GTK_STATE_NORMAL, &black);
+ if (foreground != NULL) {
+ my_gdk_rgba_parse(&black, foreground);
+ } else {
+ my_gdk_rgba_parse(&black, "black");
+ }
+ if (background != NULL) {
+ my_gdk_rgba_parse(&white, background);
+ } else {
+ my_gdk_rgba_parse(&white, "white");
+ }
draw = gtk_drawing_area_new();
- gtk_widget_set_events(draw, GDK_BUTTON_PRESS_MASK);
+ gtk_widget_set_events(draw, GDK_BUTTON_PRESS_MASK|GDK_KEY_PRESS_MASK);
gtk_widget_set_size_request(draw,400,400);
- gtk_widget_modify_bg(draw, GTK_STATE_NORMAL, &white);
- gtk_widget_modify_fg(draw, GTK_STATE_NORMAL, &black);
- g_signal_connect(G_OBJECT(draw), "realize", G_CALLBACK(realize), NULL);
g_signal_connect(G_OBJECT(draw), "button-press-event", G_CALLBACK(text_clicked), NULL);
+ g_signal_connect(G_OBJECT(draw), "key-press-event", G_CALLBACK(text_keypress), NULL);
+ gtk_widget_set_can_focus(draw, TRUE);
- GdkPixmap *pixmap = gdk_pixmap_new(NULL, 1, 1, 1);
- GdkColor color;
- cursor = gdk_cursor_new_from_pixmap(pixmap, pixmap, &color, &color, 0, 0);
+ cursor = gdk_cursor_new_for_display(gtk_widget_get_display(GTK_WIDGET(draw)), GDK_BLANK_CURSOR);
tv = gtk_text_view_new();
- gtk_widget_modify_bg(tv, GTK_STATE_NORMAL, &white);
- gtk_widget_modify_fg(tv, GTK_STATE_NORMAL, &black);
tb = gtk_text_view_get_buffer(GTK_TEXT_VIEW(tv));
-
- if (argc > 1)
- //tb.set_text(" ".join(sys.argv[1:]))
- gtk_text_buffer_set_text(tb, argv[1], -1);
+
+ partial_input = g_string_new("");
+
+ if (argc > optind)
+ if (!strcmp(argv[optind], "-") ) {
+ // read from stdin
+ GIOChannel *chan = g_io_channel_unix_new(0);
+ g_io_channel_set_flags(chan, G_IO_FLAG_NONBLOCK, NULL);
+ g_io_add_watch (chan, G_IO_IN | G_IO_HUP, &read_chan, NULL);
+
+ input = g_string_new("");
+ input_provided++;
+ } else {
+ int i;
+
+ input = g_string_new("");
+
+ for (i = optind; i < argc; i++) {
+ g_string_append(input, argv[i]);
+
+ if (i < argc - 1) {
+ g_string_append(input, " ");
+ }
+ }
+ input_provided++;
+ }
else
- gtk_text_buffer_set_text(tb, ":-)", -1);
+ input = g_string_new(":-)");
- quit = gtk_button_new_from_stock(GTK_STOCK_QUIT);
+ gtk_text_buffer_set_text(tb, input->str, input->len);
+ g_string_free(input, TRUE);
+ GtkTextIter start, end;
+ gtk_text_buffer_get_bounds(tb, &start, &end);
+ gtk_text_buffer_select_range(tb, &start, &end);
+
+ quit = gtk_button_new_from_icon_name("application-exit", GTK_ICON_SIZE_BUTTON);
g_signal_connect(G_OBJECT(quit), "clicked", G_CALLBACK(gtk_main_quit), NULL);
- gtk_widget_modify_bg(quit, GTK_STATE_NORMAL, &white);
- gtk_widget_modify_fg(quit, GTK_STATE_NORMAL, &black);
- GtkWidget *hbox = gtk_hbox_new(FALSE,0);
+ GtkWidget *vbox_button = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
+ gtk_box_pack_end(GTK_BOX(vbox_button), quit, FALSE, FALSE, 0);
+
+ GtkWidget *hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,0);
+ entry_widget = hbox;
gtk_box_pack_start(GTK_BOX(hbox), tv, TRUE, TRUE, 0);
- gtk_box_pack_start(GTK_BOX(hbox), quit, FALSE, FALSE, 0);
+ gtk_box_pack_start(GTK_BOX(hbox), vbox_button, FALSE, FALSE, 0);
- GtkWidget *vbox = gtk_vbox_new(FALSE,0);
- gtk_box_pack_start(GTK_BOX(vbox), draw, TRUE, TRUE, 0);
- gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
+ GtkWidget *vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL,0);
+ gtk_box_pack_start(GTK_BOX(vbox), draw, TRUE, TRUE, 0);
+ gtk_box_pack_end(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
gtk_container_add(GTK_CONTAINER(window), vbox);
font = pango_font_description_new();
- pango_font_description_set_family(font, "sans-serif");
- pango_font_description_set_size(font, 20*PANGO_SCALE);
-
- layout= gtk_widget_create_pango_layout(draw,get_text());
- pango_layout_set_font_description(layout, font);
- pango_layout_set_alignment(layout,PANGO_ALIGN_CENTER);
+ if (fontdesc != NULL) {
+ pango_font_description_set_family(font, fontdesc);
+ } else {
+ pango_font_description_set_family(font, "sans-serif");
+ }
+ pango_font_description_set_size(font, 200*PANGO_SCALE);
GtkAccelGroup *accel = gtk_accel_group_new();
guint key;
gtk_window_add_accel_group(GTK_WINDOW(window), accel);
gtk_widget_show_all(window);
- g_signal_connect(G_OBJECT(draw), "configure-event", G_CALLBACK(resize), NULL);
- g_signal_connect(G_OBJECT(draw), "expose-event", G_CALLBACK(redraw), NULL);
+ g_signal_connect_after(G_OBJECT(draw), "draw", G_CALLBACK(redraw), NULL);
+ text_change_handler = g_signal_connect(G_OBJECT(tb), "changed", G_CALLBACK(newtext_show_input), NULL);
g_signal_connect(G_OBJECT(tb), "changed", G_CALLBACK(newtext), NULL);
+ g_signal_connect(G_OBJECT(tv), "move-cursor", G_CALLBACK(move_cursor), NULL);
+
+ if (input_provided)
+ hide_entry(NULL);
+ else
+ show_entry();
gtk_main();
+
+ return 0;
}
projects / darcs-mirror-screen-message.debian.git / blobdiff