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authorsabetts <sabetts>2000-08-31 02:41:47 +0000
committersabetts <sabetts>2000-08-31 02:41:47 +0000
commitf9d451208217f6861a8b0f2b7bb070585a2e385c (patch)
treefaa3ed443f9cca9a582c495b86cd4eefc62c517c
parent80d7ae36215ca93f4b82c8fb87d1017b9f3bdc90 (diff)
downloadratpoison-f9d451208217f6861a8b0f2b7bb070585a2e385c.zip
handles getting input from the user.
-rw-r--r--input.c75
-rw-r--r--input.h1
2 files changed, 76 insertions, 0 deletions
diff --git a/input.c b/input.c
new file mode 100644
index 0000000..ad8f093
--- /dev/null
+++ b/input.c
@@ -0,0 +1,75 @@
+/* for reading kdb input from the user. Currently only used to read in
+ the name of a window to jump to. */
+
+#include <X11/keysym.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "ratpoison.h"
+
+
+static int
+read_key ()
+{
+ XEvent ev;
+
+ XMaskEvent (dpy, KeyPressMask, &ev);
+ return XLookupKeysym ((XKeyEvent *)&ev, 0);
+}
+
+/* pass in a pointer a string and how much room we have, and fill it
+ in with text from the user. */
+void
+get_input (screen_info *s, char *prompt, char *str, int len)
+{
+ int cur_len; /* Current length of the string. */
+ int ch;
+ int revert;
+ Window fwin;
+ int prompt_width = XTextWidth (s->font, prompt, strlen (prompt));
+ int width = 100 + prompt_width;
+
+ /* We don't want to draw overtop of the program bar. */
+ hide_bar (s);
+
+ XMapWindow (dpy, s->input_window);
+ XMoveResizeWindow (dpy, s->input_window,
+ bar_x (s, width), bar_y (s), width, (FONT_HEIGHT (s->font) + BAR_PADDING * 2));
+ XClearWindow (dpy, s->input_window);
+ XRaiseWindow (dpy, s->input_window);
+
+ /* draw the window prompt. */
+ XDrawString (dpy, s->input_window, s->bold_gc, 5,
+ BAR_PADDING + s->font->max_bounds.ascent, prompt, strlen (prompt));
+
+ XGetInputFocus (dpy, &fwin, &revert);
+ XSetInputFocus (dpy, s->input_window, RevertToPointerRoot, CurrentTime);
+
+ cur_len = 0;
+ while ((ch = read_key ()) != XK_Return)
+ {
+ printf ("key %d\n", ch);
+ if (ch == XK_BackSpace)
+ {
+ if (cur_len > 0) cur_len--;
+ XClearWindow (dpy, s->input_window);
+ XDrawString (dpy, s->input_window, s->bold_gc, 5,
+ BAR_PADDING + s->font->max_bounds.ascent, prompt, strlen (prompt));
+ XDrawString (dpy, s->input_window, s->bold_gc, 5 + prompt_width,
+ BAR_PADDING + s->font->max_bounds.ascent, str, cur_len);
+ }
+ else if (ch >= ' ')
+ {
+ str[cur_len] = ch;
+ if (cur_len < len - 1) cur_len++;
+
+ XDrawString (dpy, s->input_window, s->bold_gc, 5 + prompt_width,
+ BAR_PADDING + s->font->max_bounds.ascent, str, cur_len);
+ }
+ }
+
+ str[cur_len] = 0;
+ XSetInputFocus (dpy, fwin, RevertToPointerRoot, CurrentTime);
+ XUnmapWindow (dpy, s->input_window);
+}
+
diff --git a/input.h b/input.h
new file mode 100644
index 0000000..9d49bbf
--- /dev/null
+++ b/input.h
@@ -0,0 +1 @@
+void get_input (screen_info *s, char *prompt, char *str, int len);