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Put exported function comments in header.

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This commit is contained in:
Michael Drake 2013-01-05 15:15:23 +00:00
parent 46b7691522
commit 912d3f7690
2 changed files with 124 additions and 97 deletions
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113
desktop/textarea.c
View File

@ -125,20 +125,8 @@ static bool textarea_select_fragment(struct textarea *ta);
static void textarea_normalise_text(struct textarea *ta,
unsigned int b_start, unsigned int b_len);
/**
* Create a text area
*
* \param x X coordinate of left border
* \param y Y coordinate of top border
* \param width width of the text area
* \param height width of the text area
* \param flags text area flags
* \param style font style
* \param redraw_start_callback will be called when textarea wants to redraw
* \param redraw_end_callback will be called when textarea finisjes redrawing
* \param data user specified data which will be passed to redraw callbacks
* \return Opaque handle for textarea or 0 on error
*/
/* exported interface, documented in textarea.h */
struct textarea *textarea_create(int width, int height,
textarea_flags flags, const plot_font_style_t *style,
textarea_redraw_request_callback redraw_request, void *data)
@ -194,11 +182,8 @@ struct textarea *textarea_create(int width, int height,
}
/**
* Destroy a text area
*
* \param ta Text area to destroy
*/
/* exported interface, documented in textarea.h */
void textarea_destroy(struct textarea *ta)
{
free(ta->text);
@ -207,13 +192,7 @@ void textarea_destroy(struct textarea *ta)
}
/**
* Set the text in a text area, discarding any current text
*
* \param ta Text area
* \param text UTF-8 text to set text area's contents to
* \return true on success, false on memory exhaustion
*/
/* exported interface, documented in textarea.h */
bool textarea_set_text(struct textarea *ta, const char *text)
{
unsigned int len = strlen(text) + 1;
@ -238,15 +217,7 @@ bool textarea_set_text(struct textarea *ta, const char *text)
}
/**
* Extract the text from a text area
*
* \param ta Text area
* \param buf Pointer to buffer to receive data, or NULL
* to read length required
* \param len Length (bytes) of buffer pointed to by buf, or 0 to read length
* \return Length (bytes) written/required or -1 on error
*/
/* exported interface, documented in textarea.h */
int textarea_get_text(struct textarea *ta, char *buf, unsigned int len)
{
if (buf == NULL && len == 0) {
@ -391,14 +362,7 @@ bool textarea_replace_text(struct textarea *ta, unsigned int start,
}
/**
* Set the caret's position
*
* \param ta Text area
* \param caret 0-based character index to place caret at, -1 removes
* the caret
* \return true on success false otherwise
*/
/* exported interface, documented in textarea.h */
bool textarea_set_caret(struct textarea *ta, int caret)
{
unsigned int c_len;
@ -605,12 +569,7 @@ bool textarea_set_caret_xy(struct textarea *ta, int x, int y)
}
/**
* Get the caret's position
*
* \param ta Text area
* \return 0-based character index of caret location, or -1 on error
*/
/* exported interface, documented in textarea.h */
int textarea_get_caret(struct textarea *ta)
{
unsigned int c_off = 0, b_off;
@ -730,16 +689,7 @@ bool textarea_reflow(struct textarea *ta, unsigned int line)
}
/**
* Handle redraw requests for text areas
*
* \param redraw Redraw request block
* \param x0 left X coordinate of redraw area
* \param y0 top Y coordinate of redraw area
* \param x1 right X coordinate of redraw area
* \param y1 bottom Y coordinate of redraw area
* \param ctx current redraw context
*/
/* exported interface, documented in textarea.h */
void textarea_redraw(struct textarea *ta, int x, int y,
const struct rect *clip, const struct redraw_context *ctx)
{
@ -927,13 +877,8 @@ void textarea_redraw(struct textarea *ta, int x, int y,
}
}
/**
* Key press handling for text areas.
*
* \param ta The text area which got the keypress
* \param key The ucs4 character codepoint
* \return true if the keypress is dealt with, false otherwise.
*/
/* exported interface, documented in textarea.h */
bool textarea_keypress(struct textarea *ta, uint32_t key)
{
char utf8[6];
@ -1311,15 +1256,7 @@ bool textarea_scroll_visible(struct textarea *ta)
}
/**
* Handles all kinds of mouse action
*
* \param ta Text area
* \param mouse the mouse state at action moment
* \param x X coordinate
* \param y Y coordinate
* \return true if action was handled false otherwise
*/
/* exported interface, documented in textarea.h */
bool textarea_mouse_action(struct textarea *ta, browser_mouse_state mouse,
int x, int y)
{
@ -1358,15 +1295,7 @@ bool textarea_mouse_action(struct textarea *ta, browser_mouse_state mouse,
}
/**
* Handles the end of a drag operation
*
* \param ta Text area
* \param mouse the mouse state at drag end moment
* \param x X coordinate
* \param y Y coordinate
* \return true if drag end was handled false otherwise
*/
/* exported interface, documented in textarea.h */
bool textarea_drag_end(struct textarea *ta, browser_mouse_state mouse,
int x, int y)
{
@ -1504,12 +1433,7 @@ void textarea_normalise_text(struct textarea *ta,
}
/**
* Gets the dimensions of a textarea
*
* \param width if not NULL, gets updated to the width of the textarea
* \param height if not NULL, gets updated to the height of the textarea
*/
/* exported interface, documented in textarea.h */
void textarea_get_dimensions(struct textarea *ta, int *width, int *height)
{
if (width != NULL)
@ -1518,13 +1442,8 @@ void textarea_get_dimensions(struct textarea *ta, int *width, int *height)
*height = ta->vis_height;
}
/**
* Set the dimensions of a textarea, causing a reflow and
* emitting a redraw request.
*
* \param width the new width of the textarea
* \param height the new height of the textarea
*/
/* exported interface, documented in textarea.h */
void textarea_set_dimensions(struct textarea *ta, int width, int height)
{
ta->vis_width = width;

108
desktop/textarea.h
View File

@ -42,22 +42,130 @@ struct textarea;
typedef void(*textarea_redraw_request_callback)(void *data, int x, int y,
int width, int height);
/**
* Create a text area
*
* \param x X coordinate of left border
* \param y Y coordinate of top border
* \param width width of the text area
* \param height width of the text area
* \param flags text area flags
* \param style font style
* \param redraw_start_callback will be called when textarea wants to redraw
* \param redraw_end_callback will be called when textarea finisjes redrawing
* \param data user specified data which will be passed to redraw callbacks
* \return Opaque handle for textarea or 0 on error
*/
struct textarea *textarea_create(int width, int height,
textarea_flags flags, const plot_font_style_t *style,
textarea_redraw_request_callback redraw_request, void *data);
/**
* Destroy a text area
*
* \param ta Text area to destroy
*/
void textarea_destroy(struct textarea *ta);
/**
* Set the text in a text area, discarding any current text
*
* \param ta Text area
* \param text UTF-8 text to set text area's contents to
* \return true on success, false on memory exhaustion
*/
bool textarea_set_text(struct textarea *ta, const char *text);
/**
* Extract the text from a text area
*
* \param ta Text area
* \param buf Pointer to buffer to receive data, or NULL
* to read length required
* \param len Length (bytes) of buffer pointed to by buf, or 0 to read length
* \return Length (bytes) written/required or -1 on error
*/
int textarea_get_text(struct textarea *ta, char *buf, unsigned int len);
/**
* Set the caret's position
*
* \param ta Text area
* \param caret 0-based character index to place caret at, -1 removes
* the caret
* \return true on success false otherwise
*/
bool textarea_set_caret(struct textarea *ta, int caret);
/**
* Get the caret's position
*
* \param ta Text area
* \return 0-based character index of caret location, or -1 on error
*/
int textarea_get_caret(struct textarea *ta);
/**
* Handle redraw requests for text areas
*
* \param redraw Redraw request block
* \param x0 left X coordinate of redraw area
* \param y0 top Y coordinate of redraw area
* \param x1 right X coordinate of redraw area
* \param y1 bottom Y coordinate of redraw area
* \param ctx current redraw context
*/
void textarea_redraw(struct textarea *ta, int x, int y,
const struct rect *clip, const struct redraw_context *ctx);
/**
* Key press handling for text areas.
*
* \param ta The text area which got the keypress
* \param key The ucs4 character codepoint
* \return true if the keypress is dealt with, false otherwise.
*/
bool textarea_keypress(struct textarea *ta, uint32_t key);
/**
* Handles all kinds of mouse action
*
* \param ta Text area
* \param mouse the mouse state at action moment
* \param x X coordinate
* \param y Y coordinate
* \return true if action was handled false otherwise
*/
bool textarea_mouse_action(struct textarea *ta, browser_mouse_state mouse,
int x, int y);
/**
* Handles the end of a drag operation
*
* \param ta Text area
* \param mouse the mouse state at drag end moment
* \param x X coordinate
* \param y Y coordinate
* \return true if drag end was handled false otherwise
*/
bool textarea_drag_end(struct textarea *ta, browser_mouse_state mouse,
int x, int y);
/**
* Gets the dimensions of a textarea
*
* \param width if not NULL, gets updated to the width of the textarea
* \param height if not NULL, gets updated to the height of the textarea
*/
void textarea_get_dimensions(struct textarea *ta, int *width, int *height);
/**
* Set the dimensions of a textarea, causing a reflow and
* emitting a redraw request.
*
* \param width the new width of the textarea
* \param height the new height of the textarea
*/
void textarea_set_dimensions(struct textarea *ta, int width, int height);
#endif