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Moved auto_* layout functions from resize.c to layout.c

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wil 2017-01-07 17:41:15 +01:00
parent 704b2db050
commit bd415029ba
3 changed files with 99 additions and 96 deletions
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4
include/sway/layout.h
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@ -76,5 +76,9 @@ void swayc_log(log_importance_t verbosity, swayc_t *cont, const char* format, ..
enum swayc_layouts default_layout(swayc_t *output);
bool is_auto_layout(enum swayc_layouts layout);
int auto_group_start_index(swayc_t *container, int index);
int auto_group_end_index(swayc_t *container, int index);
size_t auto_group_count(swayc_t *container);
size_t auto_group_index(swayc_t *container, int index);
#endif

94
sway/commands/resize.c
View file

@ -62,100 +62,6 @@ static bool resize_floating(int amount, bool use_width) {
return false;
}
/**
* Return the number of children in the slave groups. This corresponds to the children
* that are not members of the master group.
*/
static inline size_t auto_slave_count(swayc_t *container) {
return container->children->length - container->nb_master;
}
/**
* given the index of a container's child, return the index of the first child of the group
* which index is a member of.
*/
static int auto_group_start_index(swayc_t *container, int index) {
if (index < 0 || ! is_auto_layout(container->layout)
|| (size_t) index < container->nb_master) {
return 0;
} else {
size_t grp_sz = auto_slave_count(container) / container->nb_slave_groups;
size_t remainder = auto_slave_count(container) % container->nb_slave_groups;
int start_idx;
int idx2 = (container->nb_slave_groups - remainder) * grp_sz + container->nb_master;
if (index < idx2) {
start_idx = ((index - container->nb_master) / grp_sz) * grp_sz + container->nb_master;
} else {
start_idx = idx2 + ((index - idx2) / (grp_sz + 1)) * (grp_sz + 1);
}
return MIN(start_idx, container->children->length);
}
}
/**
* given the index of a container's child, return the index of the first child of the group
* that follows the one which index is a member of.
* This makes the function usable to walk through the groups in a container.
*/
static int auto_group_end_index(swayc_t *container, int index) {
if (index < 0 || ! is_auto_layout(container->layout)) {
return container->children->length;
} else {
int nxt_idx;
if ((size_t)index < container->nb_master) {
nxt_idx = container->nb_master;
} else {
size_t grp_sz = auto_slave_count(container) / container->nb_slave_groups;
size_t remainder = auto_slave_count(container) % container->nb_slave_groups;
int idx2 = (container->nb_slave_groups - remainder) * grp_sz + container->nb_master;
if (index < idx2) {
nxt_idx = ((index - container->nb_master) / grp_sz + 1) * grp_sz + container->nb_master;
} else {
nxt_idx = idx2 + ((index - idx2) / (grp_sz + 1) + 1) * (grp_sz + 1);
}
}
return MIN(nxt_idx, container->children->length);
}
}
/**
* Return the combined number of master and slave groups in the container.
*/
static inline size_t auto_group_count(swayc_t *container) {
return MIN(container->nb_slave_groups, auto_slave_count(container)) + (container->nb_master ? 1 : 0);
}
/**
* return the index of the Group containing <index>th child of <container>.
* The index is the order of the group along the container's major axis (starting at 0).
*/
static size_t auto_group_index(swayc_t *container, int index) {
if (index < 0) {
return 0;
}
bool master_first = (container->layout == L_AUTO_LEFT || container->layout == L_AUTO_TOP);
int nb_slaves = auto_slave_count(container);
if ((size_t) index < container->nb_master) {
if (master_first || nb_slaves <= 0) {
return 0;
} else {
return MIN(container->nb_slave_groups, nb_slaves);
}
} else {
size_t grp_sz = auto_slave_count(container) / container->nb_slave_groups;
size_t remainder = auto_slave_count(container) % container->nb_slave_groups;
size_t grp_idx;
int idx2 = (container->nb_slave_groups - remainder) * grp_sz + container->nb_master;
if (index < idx2) {
grp_idx = (index - container->nb_master) / grp_sz;
} else {
grp_idx = (container->nb_slave_groups - remainder) + (index - idx2) / (grp_sz + 1) ;
}
return grp_idx + (master_first ? 1 : 0);
}
}
static bool resize_tiled(int amount, bool use_width) {
swayc_t *container = get_focused_view(swayc_active_workspace());
swayc_t *parent = container->parent;

93
sway/layout.c
View file

@ -1503,3 +1503,96 @@ enum swayc_layouts default_layout(swayc_t *output) {
bool is_auto_layout(enum swayc_layouts layout) {
return (layout >= L_AUTO_FIRST) && (layout <= L_AUTO_LAST);
}
/**
* Return the number of children in the slave groups. This corresponds to the children
* that are not members of the master group.
*/
static inline size_t auto_slave_count(swayc_t *container) {
return container->children->length - container->nb_master;
}
/**
* given the index of a container's child, return the index of the first child of the group
* which index is a member of.
*/
int auto_group_start_index(swayc_t *container, int index) {
if (index < 0 || ! is_auto_layout(container->layout)
|| (size_t) index < container->nb_master) {
return 0;
} else {
size_t grp_sz = auto_slave_count(container) / container->nb_slave_groups;
size_t remainder = auto_slave_count(container) % container->nb_slave_groups;
int start_idx;
int idx2 = (container->nb_slave_groups - remainder) * grp_sz + container->nb_master;
if (index < idx2) {
start_idx = ((index - container->nb_master) / grp_sz) * grp_sz + container->nb_master;
} else {
start_idx = idx2 + ((index - idx2) / (grp_sz + 1)) * (grp_sz + 1);
}
return MIN(start_idx, container->children->length);
}
}
/**
* given the index of a container's child, return the index of the first child of the group
* that follows the one which index is a member of.
* This makes the function usable to walk through the groups in a container.
*/
int auto_group_end_index(swayc_t *container, int index) {
if (index < 0 || ! is_auto_layout(container->layout)) {
return container->children->length;
} else {
int nxt_idx;
if ((size_t)index < container->nb_master) {
nxt_idx = container->nb_master;
} else {
size_t grp_sz = auto_slave_count(container) / container->nb_slave_groups;
size_t remainder = auto_slave_count(container) % container->nb_slave_groups;
int idx2 = (container->nb_slave_groups - remainder) * grp_sz + container->nb_master;
if (index < idx2) {
nxt_idx = ((index - container->nb_master) / grp_sz + 1) * grp_sz + container->nb_master;
} else {
nxt_idx = idx2 + ((index - idx2) / (grp_sz + 1) + 1) * (grp_sz + 1);
}
}
return MIN(nxt_idx, container->children->length);
}
}
/**
* Return the combined number of master and slave groups in the container.
*/
size_t auto_group_count(swayc_t *container) {
return MIN(container->nb_slave_groups, auto_slave_count(container)) + (container->nb_master ? 1 : 0);
}
/**
* return the index of the Group containing <index>th child of <container>.
* The index is the order of the group along the container's major axis (starting at 0).
*/
size_t auto_group_index(swayc_t *container, int index) {
if (index < 0) {
return 0;
}
bool master_first = (container->layout == L_AUTO_LEFT || container->layout == L_AUTO_TOP);
int nb_slaves = auto_slave_count(container);
if ((size_t) index < container->nb_master) {
if (master_first || nb_slaves <= 0) {
return 0;
} else {
return MIN(container->nb_slave_groups, nb_slaves);
}
} else {
size_t grp_sz = auto_slave_count(container) / container->nb_slave_groups;
size_t remainder = auto_slave_count(container) % container->nb_slave_groups;
size_t grp_idx;
int idx2 = (container->nb_slave_groups - remainder) * grp_sz + container->nb_master;
if (index < idx2) {
grp_idx = (index - container->nb_master) / grp_sz;
} else {
grp_idx = (container->nb_slave_groups - remainder) + (index - idx2) / (grp_sz + 1) ;
}
return grp_idx + (master_first ? 1 : 0);
}
}