@ -60,7 +60,7 @@ static const ug_style_t default_style = {
. bg_color = RGB_FORMAT ( 0x0000ff ) ,
. border . t = SIZE_PX ( 3 ) ,
. border . b = SIZE_PX ( 3 ) ,
. border . l = SIZE_PX ( 10 ) ,
. border . l = SIZE_PX ( 3 ) ,
. border . r = SIZE_PX ( 3 ) ,
. border . color = RGB_FORMAT ( 0x00ff00 ) ,
. titlebar . height = SIZE_PX ( 20 ) ,
@ -97,6 +97,17 @@ static ug_style_t style_cache = {0};
}
# define DELETE_FROM_STACK(S, c) \
{ \
for ( int i = 0 ; i < S . idx ; i + + ) { \
if ( c - > id ! = S . items [ i ] . id ) \
continue ; \
memmove ( & S . items [ i ] , & S . items [ i + 1 ] , ( S . idx - i ) * sizeof ( S . items [ 0 ] ) ) ; \
memset ( & S . items [ S . idx - - ] , 0 , sizeof ( S . items [ 0 ] ) ) ; \
} \
}
# define RESET_STACK(S) \
{ \
memset ( S . items , 0 , S . idx * sizeof ( * ( S . items ) ) ) ; \
@ -140,7 +151,6 @@ int size_to_px(ug_ctx_t *ctx, ug_size_t s)
}
}
ug_rect_t div_to_rect ( ug_ctx_t * ctx , ug_div_t * div )
{
ug_rect_t r ;
@ -211,12 +221,15 @@ void ug_ctx_free(ug_ctx_t *ctx)
free ( ctx ) ;
// NOTE: do not free style since the default is statically allocated, let
// the user take care of it instead
// NOTE: do not free style since the default style is statically allocated,
// let the user take care of it instead
}
// TODO: add error codes
# define TEST_CTX(ctx) { if (!ctx) return -1; }
# define TEST_STR(s) { if (!s || !s[0]) return -1; }
int ug_ctx_set_displayinfo ( ug_ctx_t * ctx , float scale , float ppi )
{
@ -327,6 +340,11 @@ static void sort_containers(ug_ctx_t *ctx)
// update the container position in the context area
static int position_container ( ug_ctx_t * ctx , ug_container_t * cnt )
{
if ( ! TEST ( cnt - > flags , UG_CNT_FLOATING ) )
// if there is no space left propagate the error
if ( ctx - > origin . w < = 0 | | ctx - > origin . h < = 0 )
return - 1 ;
ug_rect_t * rect , * rca ;
rect = & cnt - > rect ;
rca = & cnt - > rca ;
@ -387,16 +405,13 @@ static int position_container(ug_ctx_t *ctx, ug_container_t *cnt)
if ( rect - > w = = 0 ) rca - > w = cw ;
else rca - > w + = bl + br ;
if ( rect - > h = = 0 ) rca - > h = ch ;
else if ( TEST ( cnt - > flags , UG_CNT_FLOATING ) ) rca - > h + = hh + 2 * bt + bb ;
else if ( TEST ( cnt - > flags , UG_CNT_MOVABLE ) ) rca - > h + = hh + 2 * bt + bb ;
else rca - > h + = bt + bb ;
// if the container is not fixed than it can have positions outside of the
// main window, thus negative
if ( ! TEST ( cnt - > flags , UG_CNT_FLOATING ) ) {
// if there is no space left propagate the error
if ( ! ctx - > origin . w | | ! ctx - > origin . h )
return - 1 ;
// <0 -> relative to the right margin
if ( rect - > x < 0 ) rca - > x = cx + cw - rca - > w + rca - > x + 1 ;
else rca - > x = cx ;
@ -420,21 +435,24 @@ static int position_container(ug_ctx_t *ctx, ug_container_t *cnt)
}
void handle_container ( ug_ctx_t * ctx , ug_container_t * cnt )
// TODO: make a set of fixed return values for the different states
// handle moving and resizing, return 1 if it had focus, 0 otherwise, negative
// return values represent errors
static int handle_container ( ug_ctx_t * ctx , ug_container_t * cnt )
{
// if we are not the currently active container than definately we are not
// being moved or resized
if ( ctx - > active . cnt ! = cnt - > id ) {
cnt - > flags & = ~ CNT_STATE_ALL ;
return ;
return 0 ;
}
// mouse pressed handle resize, for simplicity containers can only
// be resized from the bottom and right border
// TODO: bring selected container to the top of the stack
// TODO: change return value to indicate this case
if ( ! HELD ( ctx , UG_BTN_LEFT ) | |
! TEST ( cnt - > flags , ( RESIZEALL | UG_CNT_FLOATING ) ) )
return ;
! TEST ( cnt - > flags , ( RESIZEALL | UG_CNT_MOVABLE ) ) )
return 1 ;
ug_rect_t * rect , * rca ;
rect = & cnt - > rect ;
@ -451,7 +469,7 @@ void handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
int minx , maxx , miny , maxy ;
// handle movable windows
if ( TEST ( cnt - > flags , UG_CNT_FLOATING ) ) {
if ( TEST ( cnt - > flags , UG_CNT_MOVABLE ) ) {
minx = rca - > x + bl ;
maxx = rca - > x + rca - > w - br ;
miny = rca - > y + bt ;
@ -498,7 +516,7 @@ void handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
if ( rect - > w - ctx - > mouse . delta . x > = 10 ) {
rect - > w - = ctx - > mouse . delta . x ;
if ( TEST ( cnt - > flags , UG_CNT_FLOATING ) )
if ( TEST ( cnt - > flags , UG_CNT_MOVABLE ) )
rect - > x + = ctx - > mouse . delta . x ;
}
if ( rca - > w - ctx - > mouse . delta . x > = 10 ) {
@ -538,7 +556,7 @@ void handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
if ( rect - > h - ctx - > mouse . delta . y > = 10 ) {
rect - > h - = ctx - > mouse . delta . y ;
if ( TEST ( cnt - > flags , UG_CNT_FLOATING ) )
if ( TEST ( cnt - > flags , UG_CNT_MOVABLE ) )
rect - > y + = ctx - > mouse . delta . y ;
}
if ( rca - > h - ctx - > mouse . delta . y > = 10 ) {
@ -559,8 +577,7 @@ void handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
// TODO: what about scrolling? how do we know if we need to draw
// a scroll bar? Maybe add that information inside the
// container structure
// push the appropriate rectangles to the drawing stack
return 1 ;
}
@ -579,7 +596,7 @@ void draw_container(ug_ctx_t *ctx, ug_container_t *cnt)
push_rect_command ( ctx , & draw_rect , s - > cnt . border . color ) ;
// titlebar
if ( cnt - > flags & UG_CNT_FLOATING ) {
if ( TEST ( cnt - > flags , UG_CNT_MOVABLE ) ) {
draw_rect . x + = bl ;
draw_rect . y + = bt ;
draw_rect . w - = bl + br ;
@ -593,7 +610,7 @@ void draw_container(ug_ctx_t *ctx, ug_container_t *cnt)
draw_rect . y + = bt ;
draw_rect . w - = bl + br ;
draw_rect . h - = bt + bb ;
if ( cnt - > flags & UG_CNT_FLOATING ) {
if ( TEST ( cnt - > flags , UG_CNT_MOVABLE ) ) {
draw_rect . y + = bt + hh ;
draw_rect . h - = bt + hh ;
}
@ -607,9 +624,10 @@ void draw_container(ug_ctx_t *ctx, ug_container_t *cnt)
int ug_container_floating ( ug_ctx_t * ctx , const char * name , ug_div_t div )
{
TEST_CTX ( ctx ) ;
TEST_STR ( name ) ;
// TODO: verify div
ug_id_t id = name ? hash ( name , strlen ( name ) ) : hash ( & div , sizeof ( ug_div_t ) ) ;
ug_id_t id = hash ( name , strlen ( name ) ) ;
ug_container_t * cnt = get_container ( ctx , id ) ;
if ( cnt - > id ) {
@ -618,33 +636,55 @@ int ug_container_floating(ug_ctx_t *ctx, const char *name, ug_div_t div)
cnt - > id = id ;
cnt - > max_size = max_size ;
cnt - > rect = div_to_rect ( ctx , & div ) ;
cnt - > flags = UG_CNT_FLOATING | RESIZEALL |
UG_CNT_SCROLL_X | UG_CNT_SCROLL_Y ;
cnt - > flags = UG_CNT_FLOATING | RESIZEALL | UG_CNT_MOVABLE |
UG_CNT_SCROLL_X | UG_CNT_SCROLL_Y ;
}
// TODO: what about error codes and meaning?
if ( position_container ( ctx , cnt ) )
if ( position_container ( ctx , cnt ) ) {
DELETE_FROM_STACK ( ctx - > cnt_stack , cnt ) ;
return - 1 ;
handle_container ( ctx , cnt ) ;
return 0 ;
}
return handle_container ( ctx , cnt ) ;
}
int ug_container_sidebar ( ug_ctx_t * ctx , const char * name , ug_size_t size , int side )
int ug_container_popup ( ug_ctx_t * ctx , const char * name , ug_div_t div )
{
TEST_CTX ( ctx ) ;
TEST_STR ( name ) ;
// TODO: verify div
ug_id_t id = 0 ;
if ( name ) {
id = hash ( name , strlen ( name ) ) ;
ug_id_t id = hash ( name , strlen ( name ) ) ;
ug_container_t * cnt = get_container ( ctx , id ) ;
if ( cnt - > id ) {
// nothing? maybe we can skip updating all dimensions and stuff
} else {
int blob [ 3 ] = { size . size . i , size . unit , side } ;
id = hash ( blob , sizeof ( blob ) ) ;
cnt - > id = id ;
cnt - > max_size = max_size ;
cnt - > rect = div_to_rect ( ctx , & div ) ;
cnt - > flags = UG_CNT_FLOATING ;
}
// TODO: what about error codes and meaning?
if ( position_container ( ctx , cnt ) ) {
DELETE_FROM_STACK ( ctx - > cnt_stack , cnt ) ;
return - 1 ;
}
return handle_container ( ctx , cnt ) ;
}
int ug_container_sidebar ( ug_ctx_t * ctx , const char * name , ug_size_t size , int side )
{
TEST_CTX ( ctx ) ;
TEST_STR ( name ) ;
ug_id_t id = hash ( name , strlen ( name ) ) ;
ug_container_t * cnt = get_container ( ctx , id ) ;
if ( cnt - > id ) {
// nothing? maybe we can skip updating all dimensions and stuff
} else {
@ -677,25 +717,19 @@ int ug_container_sidebar(ug_ctx_t *ctx, const char *name, ug_size_t size, int si
cnt - > rect = rect ;
}
if ( position_container ( ctx , cnt ) )
if ( position_container ( ctx , cnt ) ) {
DELETE_FROM_STACK ( ctx - > cnt_stack , cnt ) ;
return - 1 ;
handle_container ( ctx , cnt ) ;
return 0 ;
}
return handle_container ( ctx , cnt ) ;
}
int ug_container_menu_bar ( ug_ctx_t * ctx , const char * name , ug_size_t height )
{
TEST_CTX ( ctx ) ;
TEST_STR ( name ) ;
ug_id_t id = 0 ;
if ( name ) {
id = hash ( name , strlen ( name ) ) ;
} else {
int blob [ 2 ] = { height . size . i , height . unit } ;
id = hash ( blob , sizeof ( blob ) ) ;
}
ug_id_t id = hash ( name , strlen ( name ) ) ;
ug_container_t * cnt = get_container ( ctx , id ) ;
if ( cnt - > id ) {
@ -711,26 +745,20 @@ int ug_container_menu_bar(ug_ctx_t *ctx, const char *name, ug_size_t height)
cnt - > rect = rect ;
}
if ( position_container ( ctx , cnt ) )
if ( position_container ( ctx , cnt ) ) {
DELETE_FROM_STACK ( ctx - > cnt_stack , cnt ) ;
return - 1 ;
handle_container ( ctx , cnt ) ;
return 0 ;
}
return handle_container ( ctx , cnt ) ;
}
int ug_container_body ( ug_ctx_t * ctx , const char * name )
{
TEST_CTX ( ctx ) ;
TEST_STR ( name ) ;
ug_id_t id = 0 ;
if ( name ) {
id = hash ( name , strlen ( name ) ) ;
} else {
// sorry but body must have a name
return - 1 ;
}
ug_id_t id = hash ( name , strlen ( name ) ) ;
ug_container_t * cnt = get_container ( ctx , id ) ;
if ( cnt - > id ) {
@ -742,11 +770,11 @@ int ug_container_body(ug_ctx_t *ctx, const char *name)
cnt - > rect = ( ug_rect_t ) { 0 } ;
}
if ( position_container ( ctx , cnt ) )
if ( position_container ( ctx , cnt ) ) {
DELETE_FROM_STACK ( ctx - > cnt_stack , cnt ) ;
return - 1 ;
handle_container ( ctx , cnt ) ;
return 0 ;
}
return handle_container ( ctx , cnt ) ;
}