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Diffstat (limited to 'desktop/selection.c')
-rw-r--r--desktop/selection.c67
1 files changed, 43 insertions, 24 deletions
diff --git a/desktop/selection.c b/desktop/selection.c
index 7506af0ef..5cb43b8c3 100644
--- a/desktop/selection.c
+++ b/desktop/selection.c
@@ -70,18 +70,20 @@ struct selection_string {
typedef bool (*seln_traverse_handler)(const char *text, size_t length,
- struct box *box, void *handle, const char *whitespace_text,
- size_t whitespace_length);
+ struct box *box, const nscss_len_ctx *len_ctx, void *handle,
+ const char *whitespace_text, size_t whitespace_length);
-static bool redraw_handler(const char *text, size_t length, struct box *box,
+static bool redraw_handler(const char *text, size_t length,
+ struct box *box, const nscss_len_ctx *len_ctx,
void *handle, const char *whitespace_text,
size_t whitespace_length);
static void selection_redraw(struct selection *s, unsigned start_idx,
unsigned end_idx);
static bool selected_part(struct box *box, unsigned start_idx, unsigned end_idx,
unsigned *start_offset, unsigned *end_offset);
-static bool traverse_tree(struct box *box, unsigned start_idx, unsigned end_idx,
+static bool traverse_tree(struct box *box, const nscss_len_ctx *len_ctx,
+ unsigned start_idx, unsigned end_idx,
seln_traverse_handler handler,
void *handle, save_text_whitespace *before, bool *first,
bool do_marker);
@@ -198,7 +200,10 @@ void selection_reinit(struct selection *s, struct box *root)
* \param root the root box for html document or NULL for text/plain
*/
-void selection_init(struct selection *s, struct box *root)
+void selection_init(
+ struct selection *s,
+ struct box *root,
+ const nscss_len_ctx *len_ctx)
{
if (s->defined)
selection_clear(s, true);
@@ -207,6 +212,13 @@ void selection_init(struct selection *s, struct box *root)
s->start_idx = 0;
s->end_idx = 0;
s->drag_state = DRAG_NONE;
+ if (len_ctx != NULL) {
+ s->len_ctx = *len_ctx;
+ } else {
+ s->len_ctx.vw = 0;
+ s->len_ctx.vh = 0;
+ s->len_ctx.root_style = NULL;
+ }
selection_reinit(s, root);
}
@@ -442,6 +454,7 @@ bool selected_part(struct box *box, unsigned start_idx, unsigned end_idx,
* for all boxes that lie (partially) within the given range
*
* \param box box subtree
+ * \param len_ctx Length conversion context.
* \param start_idx start of range within textual representation (bytes)
* \param end_idx end of range
* \param handler handler function to call
@@ -452,7 +465,9 @@ bool selected_part(struct box *box, unsigned start_idx, unsigned end_idx,
* \return false iff traversal abandoned part-way through
*/
-bool traverse_tree(struct box *box, unsigned start_idx, unsigned end_idx,
+bool traverse_tree(
+ struct box *box, const nscss_len_ctx *len_ctx,
+ unsigned start_idx, unsigned end_idx,
seln_traverse_handler handler,
void *handle, save_text_whitespace *before, bool *first,
bool do_marker)
@@ -473,9 +488,9 @@ bool traverse_tree(struct box *box, unsigned start_idx, unsigned end_idx,
if (box->list_marker) {
/* do the marker box before continuing with the rest of the
* list element */
- if (!traverse_tree(box->list_marker, start_idx, end_idx,
- handler, handle, before, first,
- true))
+ if (!traverse_tree(box->list_marker, len_ctx,
+ start_idx, end_idx, handler, handle,
+ before, first, true))
return false;
}
@@ -506,7 +521,7 @@ bool traverse_tree(struct box *box, unsigned start_idx, unsigned end_idx,
&end_offset)) {
if (!handler(box->text + start_offset, min(box->length,
end_offset) - start_offset,
- box, handle, whitespace_text,
+ box, len_ctx, handle, whitespace_text,
whitespace_length))
return false;
if (before) {
@@ -533,7 +548,7 @@ bool traverse_tree(struct box *box, unsigned start_idx, unsigned end_idx,
* the tree */
struct box *next = child->next;
- if (!traverse_tree(child, start_idx, end_idx,
+ if (!traverse_tree(child, len_ctx, start_idx, end_idx,
handler, handle, before, first, false))
return false;
@@ -568,14 +583,16 @@ static bool selection_traverse(struct selection *s,
if (s->root) {
/* HTML */
- return traverse_tree(s->root, s->start_idx, s->end_idx,
- handler, handle, &before, &first, false);
+ return traverse_tree(s->root, &s->len_ctx,
+ s->start_idx, s->end_idx,
+ handler, handle,
+ &before, &first, false);
}
/* Text */
text = textplain_get_raw_data(s->c, s->start_idx, s->end_idx, &length);
- if (text && !handler(text, length, NULL, handle, NULL, 0))
+ if (text && !handler(text, length, NULL, NULL, handle, NULL, 0))
return false;
return true;
@@ -597,8 +614,8 @@ static bool selection_traverse(struct selection *s,
*/
bool redraw_handler(const char *text, size_t length, struct box *box,
- void *handle, const char *whitespace_text,
- size_t whitespace_length)
+ const nscss_len_ctx *len_ctx, void *handle,
+ const char *whitespace_text, size_t whitespace_length)
{
if (box) {
struct rdw_info *r = (struct rdw_info*)handle;
@@ -606,7 +623,7 @@ bool redraw_handler(const char *text, size_t length, struct box *box,
int x, y;
plot_font_style_t fstyle;
- font_plot_style_from_css(box->style, &fstyle);
+ font_plot_style_from_css(len_ctx, box->style, &fstyle);
/* \todo - it should be possible to reduce the redrawn area by
* considering the 'text', 'length' and 'space' parameters */
@@ -652,7 +669,7 @@ void selection_redraw(struct selection *s, unsigned start_idx, unsigned end_idx)
rdw.inited = false;
if (s->root) {
- if (!traverse_tree(s->root, start_idx, end_idx,
+ if (!traverse_tree(s->root, &s->len_ctx, start_idx, end_idx,
redraw_handler, &rdw,
NULL, NULL, false))
return;
@@ -739,10 +756,11 @@ static bool selection_string_append(const char *text, size_t length, bool space,
/**
* Selection traversal routine for appending text to a string
*
- * \param text pointer to text being added, or NULL for newline
- * \param length length of text to be appended (bytes)
- * \param box pointer to text box, or NULL if from textplain
- * \param handle selection string to append to
+ * \param text pointer to text being added, or NULL for newline
+ * \param length length of text to be appended (bytes)
+ * \param box pointer to text box, or NULL if from textplain
+ * \param len_ctx Length conversion context
+ * \param handle selection string to append to
* \param whitespace_text whitespace to place before text for formatting
* may be NULL
* \param whitespace_length length of whitespace_text
@@ -750,7 +768,8 @@ static bool selection_string_append(const char *text, size_t length, bool space,
*/
static bool selection_copy_handler(const char *text, size_t length,
- struct box *box, void *handle, const char *whitespace_text,
+ struct box *box, const nscss_len_ctx *len_ctx,
+ void *handle, const char *whitespace_text,
size_t whitespace_length)
{
bool add_space = false;
@@ -771,7 +790,7 @@ static bool selection_copy_handler(const char *text, size_t length,
if (box->style != NULL) {
/* Override default font style */
- font_plot_style_from_css(box->style, &style);
+ font_plot_style_from_css(len_ctx, box->style, &style);
pstyle = &style;
} else {
/* If there's no style, there must be no text */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-18 14:59:17 +0000