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More key bindings for textarea implementation. Still loads missing.

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svn path=/trunk/netsurf/; revision=2767
This commit is contained in:
John Mark Bell 2006-07-16 16:13:55 +00:00
parent 0e87b3e449
commit 2c4fb5d683
1 changed files with 94 additions and 28 deletions
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122
riscos/textarea.c
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@ -23,6 +23,7 @@
#include "rufl.h"
#include "netsurf/riscos/gui.h"
#include "netsurf/riscos/textarea.h"
#include "netsurf/riscos/ucstables.h"
#include "netsurf/riscos/wimp.h"
@ -450,7 +451,7 @@ void textarea_replace_text(uintptr_t self, unsigned int start,
{
struct text_area *ta;
int b_len = strlen(text);
size_t b_start, b_end, c_len;
size_t b_start, b_end, c_len, diff;
ta = (struct text_area *)self;
if (!ta || ta->magic != MAGIC) {
@ -474,11 +475,13 @@ void textarea_replace_text(uintptr_t self, unsigned int start,
start = temp;
}
diff = end - start;
for (b_start = 0; start-- > 0;
b_start = utf8_next(ta->text, ta->text_len, b_start))
; /* do nothing */
for (b_end = b_start; end-- > 0;
for (b_end = b_start; diff-- > 0;
b_end = utf8_next(ta->text, ta->text_len, b_end))
; /* do nothing */
@ -498,6 +501,7 @@ void textarea_replace_text(uintptr_t self, unsigned int start,
/* Shift text following to new position */
memmove(ta->text + b_start + b_len, ta->text + b_end,
ta->text_len - b_end);
/* Insert new text */
memcpy(ta->text + b_start, text, b_len);
@ -943,33 +947,95 @@ bool textarea_key_press(wimp_key *key)
} else {
/** \todo handle command keys */
switch (c & ~IS_WIMP_KEY) {
/** pass on RETURN and ESCAPE to the parent icon */
case wimp_KEY_RETURN:
if (ta->flags & TEXTAREA_MULTILINE) {
/* Insert newline */
c_pos = textarea_get_caret(
(uintptr_t)ta);
textarea_insert_text(
(uintptr_t)ta, c_pos,
"\n");
textarea_set_caret((uintptr_t)ta,
++c_pos);
break;
}
/* fall through */
case wimp_KEY_ESCAPE:
keypress = *key;
keypress.w = ta->parent;
keypress.i = ta->icon;
keypress.index = 0; /* undefined if not in an icon */
error = xwimp_send_message_to_window(wimp_KEY_PRESSED,
(wimp_message*)&keypress, ta->parent,
ta->icon, 0);
if (error) {
LOG(("xwimp_send_message: 0x%x:%s",
error->errnum, error->errmess));
}
case 8: /* Backspace */
c_pos = textarea_get_caret((uintptr_t)ta);
if (c_pos > 0) {
textarea_replace_text((uintptr_t)ta,
c_pos - 1, c_pos, "");
textarea_set_caret((uintptr_t)ta, c_pos - 1);
redraw = true;
}
break;
case wimp_KEY_DELETE:
c_pos = textarea_get_caret((uintptr_t)ta);
if (os_version < RISCOS5 && c_pos > 0) {
textarea_replace_text((uintptr_t)ta,
c_pos - 1, c_pos, "");
textarea_set_caret((uintptr_t)ta, c_pos - 1);
} else {
textarea_replace_text((uintptr_t)ta, c_pos,
c_pos + 1, "");
}
redraw = true;
break;
case wimp_KEY_LEFT:
c_pos = textarea_get_caret((uintptr_t)ta);
if (c_pos > 0)
textarea_set_caret((uintptr_t)ta, c_pos - 1);
break;
case wimp_KEY_RIGHT:
c_pos = textarea_get_caret((uintptr_t)ta);
textarea_set_caret((uintptr_t)ta, c_pos + 1);
break;
case wimp_KEY_UP:
/** \todo Move caret up a line */
break;
case wimp_KEY_DOWN:
/** \todo Move caret down a line */
break;
case wimp_KEY_HOME:
case wimp_KEY_CONTROL | wimp_KEY_LEFT:
/** \todo line start */
break;
case wimp_KEY_CONTROL | wimp_KEY_RIGHT:
/** \todo line end */
break;
case wimp_KEY_CONTROL | wimp_KEY_UP:
/** \todo area start */
break;
case wimp_KEY_CONTROL | wimp_KEY_DOWN:
/** \todo area end */
break;
case wimp_KEY_COPY:
if (os_version < RISCOS5) {
c_pos = textarea_get_caret((uintptr_t)ta);
textarea_replace_text((uintptr_t)ta, c_pos,
c_pos + 1, "");
} else {
/** \todo line end */
}
break;
/** pass on RETURN and ESCAPE to the parent icon */
case wimp_KEY_RETURN:
if (ta->flags & TEXTAREA_MULTILINE) {
/* Insert newline */
c_pos = textarea_get_caret((uintptr_t)ta);
textarea_insert_text((uintptr_t)ta, c_pos,
"\n");
textarea_set_caret((uintptr_t)ta, ++c_pos);
redraw = true;
break;
}
/* fall through */
case wimp_KEY_ESCAPE:
keypress = *key;
keypress.w = ta->parent;
keypress.i = ta->icon;
keypress.index = 0; /* undefined if not in an icon */
error = xwimp_send_message_to_window(wimp_KEY_PRESSED,
(wimp_message*)&keypress, ta->parent,
ta->icon, 0);
if (error) {
LOG(("xwimp_send_message: 0x%x:%s",
error->errnum, error->errmess));
}
break;
}
}