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Graphics protocol: Support for positioning images relative to other images

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Fixes #6617
This commit is contained in:
Kovid Goyal
2023-10-27 15:27:30 +05:30
parent aee14a49f0
commit 52d5a4679f
8 changed files with 398 additions and 43 deletions
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15
kitty/graphics.h
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@@ -11,7 +11,7 @@
typedef struct {
unsigned char action, transmission_type, compressed, delete_action;
uint32_t format, more, id, image_number, data_sz, data_offset, placement_id, quiet;
uint32_t format, more, id, image_number, data_sz, data_offset, placement_id, quiet, parent_id, parent_placement_id;
uint32_t width, height, x_offset, y_offset;
union { uint32_t cursor_movement, compose_mode; };
union { uint32_t cell_x_offset, blend_mode; };
@@ -23,6 +23,7 @@ typedef struct {
union { int32_t z_index, gap; };
size_t payload_sz;
bool unicode_placement;
int32_t offset_from_parent_x, offset_from_parent_y;
} GraphicsCommand;
typedef struct {
@@ -36,13 +37,19 @@ typedef struct {
int32_t start_row, start_column;
uint32_t client_id;
ImageRect src_rect;
// Indicates whether this reference represents a cell image that should be
// Indicates whether this reference represents a cell ref that should be
// removed when the corresponding cells are modified.
bool is_cell_image;
// The internal id of the virtual ref this cell image was created from. Is a cell ref if this is non-zero.
id_type virtual_ref_id;
// Virtual refs are not displayed but they can be used as prototypes for
// refs placed using unicode placeholders.
bool is_virtual_ref;
struct {
id_type img, ref;
struct { int32_t x, y; } offset;
} parent;
id_type internal_id;
hash_handle_type hh;
} ImageRef;
@@ -86,7 +93,7 @@ typedef struct {
ImageRect src_rect, dest_rect;
uint32_t texture_id, group_count;
int z_index;
id_type image_id;
id_type image_id, ref_id;
} ImageRenderData;
typedef struct {