+#include <stdio.h>
+
#include <SDL.h>
#include "system/line_stream.h"
#include "dynarray.h"
#include "color.h"
#include "game/camera.h"
+#include "color_picker.h"
+#include "ui/edit_field.h"
+
+#define LABEL_LAYER_SELECTION_THICCNESS 5.0f
+
+// TODO(#999): LabelLayer does not support UndoHistory
-#define LABEL_LAYER_ID_MAX_SIZE 36
+typedef enum {
+ LABEL_LAYER_IDLE = 0,
+ LABEL_LAYER_MOVE,
+ LABEL_LAYER_EDIT_TEXT,
+ LABEL_LAYER_EDIT_ID,
+ LABEL_LAYER_RECOLOR
+} LabelLayerState;
struct LabelLayer {
Lt *lt;
+ LabelLayerState state;
Dynarray *ids;
Dynarray *positions;
Dynarray *colors;
Dynarray *texts;
+ int selected;
+ ColorPicker color_picker;
+ Point move_anchor;
+ Edit_field *edit_field;
+ Point inter_position;
+ Color inter_color;
};
+typedef enum {
+ UNDO_ADD,
+ UNDO_DELETE,
+ UNDO_UPDATE
+} UndoType;
+
+typedef struct {
+ UndoType type;
+ LabelLayer *layer;
+ char id[LABEL_LAYER_ID_MAX_SIZE];
+ Point position;
+ Color color;
+ char text[LABEL_LAYER_TEXT_MAX_SIZE];
+ size_t index;
+} UndoContext;
+
+static
+UndoContext create_undo_context(LabelLayer *label_layer, UndoType type)
+{
+ UndoContext undo_context;
+
+ size_t index = type == UNDO_ADD
+ ? dynarray_count(label_layer->positions) - 1
+ : (size_t)label_layer->selected;
+
+ undo_context.type = type;
+ undo_context.layer = label_layer;
+ dynarray_copy_to(label_layer->ids, &undo_context.id, index);
+ dynarray_copy_to(label_layer->positions, &undo_context.position, index);
+ dynarray_copy_to(label_layer->colors, &undo_context.color, index);
+ dynarray_copy_to(label_layer->texts, &undo_context.text, index);
+ undo_context.index = index;
+
+ return undo_context;
+}
+
+static
+void label_layer_undo(void *context, size_t context_size)
+{
+ trace_assert(context);
+ trace_assert(sizeof(UndoContext) == context_size);
+
+ UndoContext *undo_context = context;
+ LabelLayer *label_layer = undo_context->layer;
+
+ switch (undo_context->type) {
+ case UNDO_ADD: {
+ dynarray_delete_at(label_layer->ids, undo_context->index);
+ dynarray_delete_at(label_layer->positions, undo_context->index);
+ dynarray_delete_at(label_layer->colors, undo_context->index);
+ dynarray_delete_at(label_layer->texts, undo_context->index);
+ } break;
+
+ case UNDO_DELETE: {
+ dynarray_insert_before(label_layer->ids, undo_context->index, &undo_context->id);
+ dynarray_insert_before(label_layer->positions, undo_context->index, &undo_context->position);
+ dynarray_insert_before(label_layer->colors, undo_context->index, &undo_context->color);
+ dynarray_insert_before(label_layer->texts, undo_context->index, &undo_context->text);
+ } break;
+
+ case UNDO_UPDATE: {
+ dynarray_replace_at(label_layer->ids, undo_context->index, &undo_context->id);
+ dynarray_replace_at(label_layer->positions, undo_context->index, &undo_context->position);
+ dynarray_replace_at(label_layer->colors, undo_context->index, &undo_context->color);
+ dynarray_replace_at(label_layer->texts, undo_context->index, &undo_context->text);
+ } break;
+ }
+}
+
+#define UNDO_PUSH(LAYER, HISTORY, UNDO_TYPE) \
+ do { \
+ UndoContext context = create_undo_context(LAYER, UNDO_TYPE); \
+ undo_history_push( \
+ HISTORY, \
+ label_layer_undo, \
+ &context, \
+ sizeof(context)); \
+ } while(0)
+
+
LayerPtr label_layer_as_layer(LabelLayer *label_layer)
{
LayerPtr layer = {
RETURN_LT(lt, NULL);
}
- label_layer->texts = PUSH_LT(lt, create_dynarray(sizeof(char*)), destroy_dynarray);
+ label_layer->texts = PUSH_LT(
+ lt,
+ create_dynarray(sizeof(char) * LABEL_LAYER_TEXT_MAX_SIZE),
+ destroy_dynarray);
if (label_layer->texts == NULL) {
RETURN_LT(lt, NULL);
}
+ label_layer->color_picker = create_color_picker_from_rgba(COLOR_RED);
+ label_layer->selected = -1;
+
+ label_layer->edit_field = PUSH_LT(
+ lt,
+ create_edit_field(LABELS_SIZE, COLOR_RED),
+ destroy_edit_field);
+ if (label_layer->edit_field == NULL) {
+ RETURN_LT(lt, NULL);
+ }
+
return label_layer;
}
}
size_t n = 0;
- if (sscanf(line, "%lu", &n) == EOF) {
+ if (sscanf(line, "%zu", &n) == EOF) {
log_fail("Could not parse amount of labels\n");
RETURN_LT(label_layer->lt, NULL);
}
log_fail("Could not read label text\n");
}
- char *label_text = PUSH_LT(label_layer->lt, string_duplicate(line, NULL), free);
+ char label_text[LABEL_LAYER_TEXT_MAX_SIZE] = {0};
+ memcpy(label_text, line, LABEL_LAYER_TEXT_MAX_SIZE - 1);
trim_endline(label_text);
dynarray_push(label_layer->texts, &label_text);
}
int label_layer_render(const LabelLayer *label_layer,
Camera *camera,
- float fa)
+ int active)
{
trace_assert(label_layer);
trace_assert(camera);
+ if (active && color_picker_render(&label_layer->color_picker, camera) < 0) {
+ return -1;
+ }
+
size_t n = dynarray_count(label_layer->ids);
+ char *ids = dynarray_data(label_layer->ids);
Point *positions = dynarray_data(label_layer->positions);
Color *colors = dynarray_data(label_layer->colors);
- char **texts = dynarray_data(label_layer->texts);
+ char *texts = dynarray_data(label_layer->texts);
+
+ /* TODO(#891): LabelLayer doesn't show the final position of Label after the animation */
+ for (size_t i = 0; i < n; ++i) {
+ const Color color = label_layer->state == LABEL_LAYER_RECOLOR && label_layer->selected == (int) i
+ ? label_layer->inter_color
+ : colors[i];
+
+ const Point position =
+ label_layer->state == LABEL_LAYER_MOVE && label_layer->selected == (int) i
+ ? label_layer->inter_position
+ : positions[i];
+
+ // Label Text
+ if (label_layer->state == LABEL_LAYER_EDIT_TEXT && label_layer->selected == (int) i) {
+ if (edit_field_render_world(
+ label_layer->edit_field,
+ camera,
+ position) < 0) {
+ return -1;
+ }
+ } else {
+ if (camera_render_text(
+ camera,
+ texts + i * LABEL_LAYER_TEXT_MAX_SIZE,
+ LABELS_SIZE,
+ color_scale(
+ color,
+ rgba(1.0f, 1.0f, 1.0f, active ? 1.0f : 0.5f)),
+ position) < 0) {
+ return -1;
+ }
+ }
+
+ // Label ID
+ if (label_layer->state == LABEL_LAYER_EDIT_ID && label_layer->selected == (int)i) {
+ if (edit_field_render_world(
+ label_layer->edit_field,
+ camera,
+ vec_sub(
+ position,
+ vec(0.0f, FONT_CHAR_HEIGHT))) < 0) {
+ return -1;
+ }
+ } else {
+ if (camera_render_text(
+ camera,
+ ids + i * LABEL_LAYER_ID_MAX_SIZE,
+ vec(1.0f, 1.0f),
+ color_scale(
+ color_invert(color),
+ rgba(1.0f, 1.0f, 1.0f, active ? 1.0f : 0.5f)),
+ vec_sub(position, vec(0.0f, FONT_CHAR_HEIGHT))) < 0) {
+ return -1;
+ }
+ }
+
+ // Label Selection
+ if (active && label_layer->selected == (int) i) {
+ Rect selection =
+ rect_scale(
+ camera_rect(
+ camera,
+ rect_boundary2(
+ sprite_font_boundary_box(
+ camera_font(camera),
+ position,
+ LABELS_SIZE,
+ texts + label_layer->selected * LABEL_LAYER_TEXT_MAX_SIZE),
+ sprite_font_boundary_box(
+ camera_font(camera),
+ vec_sub(
+ position,
+ vec(0.0f, FONT_CHAR_HEIGHT)),
+ vec(1.0f, 1.0f),
+ ids + label_layer->selected * LABEL_LAYER_ID_MAX_SIZE))),
+ LABEL_LAYER_SELECTION_THICCNESS * 0.5f);
+
+
+ if (camera_draw_thicc_rect_screen(
+ camera,
+ selection,
+ color,
+ LABEL_LAYER_SELECTION_THICCNESS) < 0) {
+ return -1;
+ }
+ }
+ }
+
+
+ return 0;
+}
+
+static
+int label_layer_element_at(LabelLayer *label_layer,
+ const Sprite_font *font,
+ Point position)
+{
+ trace_assert(label_layer);
+
+ const size_t n = dynarray_count(label_layer->texts);
+ char *ids = dynarray_data(label_layer->ids);
+ char *texts = dynarray_data(label_layer->texts);
+ Point *positions = dynarray_data(label_layer->positions);
- /* TODO: LabelLayer doesn't show the final position of Label after the animation */
for (size_t i = 0; i < n; ++i) {
- if (camera_render_text(
+ Rect boundary = rect_boundary2(
+ sprite_font_boundary_box(
+ font,
+ positions[i],
+ LABELS_SIZE,
+ texts + i * LABEL_LAYER_TEXT_MAX_SIZE),
+ sprite_font_boundary_box(
+ font,
+ vec_sub(
+ positions[i],
+ vec(0.0f, FONT_CHAR_HEIGHT)),
+ vec(1.0f, 1.0f),
+ ids + i * LABEL_LAYER_ID_MAX_SIZE));
+
+ if (rect_contains_point(boundary, position)) {
+ return (int) i;
+ }
+ }
+
+ return -1;
+}
+
+static
+void label_layer_delete_selected_label(LabelLayer *label_layer,
+ UndoHistory *undo_history)
+{
+ trace_assert(label_layer);
+ trace_assert(label_layer->selected >= 0);
+
+ UNDO_PUSH(label_layer, undo_history, UNDO_DELETE);
+
+ dynarray_delete_at(label_layer->ids, (size_t)label_layer->selected);
+ dynarray_delete_at(label_layer->positions, (size_t)label_layer->selected);
+ dynarray_delete_at(label_layer->colors, (size_t)label_layer->selected);
+ dynarray_delete_at(label_layer->texts, (size_t)label_layer->selected);
+}
+
+static
+int label_layer_add_label(LabelLayer *label_layer,
+ Point position,
+ Color color,
+ UndoHistory *undo_history)
+{
+ trace_assert(label_layer);
+
+ // TODO(#982): id generation code is duplicated in label_layer, point_layer and rect_layer
+ char id[LABEL_LAYER_ID_MAX_SIZE];
+ for (size_t i = 0; i < LABEL_LAYER_ID_MAX_SIZE - 1; ++i) {
+ id[i] = (char) ('a' + rand() % ('z' - 'a' + 1));
+ }
+ id[LABEL_LAYER_ID_MAX_SIZE - 1] = '\0';
+
+ size_t n = dynarray_count(label_layer->ids);
+
+ dynarray_push(label_layer->ids, id);
+ dynarray_push(label_layer->positions, &position);
+ dynarray_push(label_layer->colors, &color);
+ dynarray_push_empty(label_layer->texts);
+
+ UNDO_PUSH(label_layer, undo_history, UNDO_ADD);
+
+ return (int) n;
+}
+
+static
+int label_layer_idle_event(LabelLayer *label_layer,
+ const SDL_Event *event,
+ const Camera *camera,
+ UndoHistory *undo_history)
+{
+ trace_assert(label_layer);
+ trace_assert(event);
+ trace_assert(camera);
+
+ int changed = 0;
+
+ if (color_picker_event(
+ &label_layer->color_picker,
+ event,
+ camera,
+ &changed) < 0) {
+ return -1;
+ }
+
+ if (changed) {
+ if (label_layer->selected >= 0) {
+ label_layer->state = LABEL_LAYER_RECOLOR;
+ label_layer->inter_color = color_picker_rgba(&label_layer->color_picker);
+ }
+ return 0;
+ }
+
+ Color *colors = dynarray_data(label_layer->colors);
+ Point *positions = dynarray_data(label_layer->positions);
+ char *ids = dynarray_data(label_layer->ids);
+ char *texts = dynarray_data(label_layer->texts);
+
+ switch (event->type) {
+ case SDL_MOUSEBUTTONDOWN: {
+ switch (event->button.button) {
+ case SDL_BUTTON_LEFT: {
+ const Point position = camera_map_screen(
+ camera,
+ event->button.x,
+ event->button.y);
+
+ const int element = label_layer_element_at(
+ label_layer,
+ camera_font(camera),
+ position);
+
+ if (element >= 0) {
+ label_layer->move_anchor = vec_sub(position, positions[element]);
+ label_layer->selected = element;
+ label_layer->state = LABEL_LAYER_MOVE;
+ label_layer->inter_position = positions[element];
+
+ label_layer->color_picker =
+ create_color_picker_from_rgba(colors[element]);
+ } else {
+ label_layer->selected = label_layer_add_label(
+ label_layer,
+ position,
+ color_picker_rgba(
+ &label_layer->color_picker),
+ undo_history);
+ label_layer->state = LABEL_LAYER_EDIT_TEXT;
+ edit_field_replace(
+ label_layer->edit_field,
+ texts + label_layer->selected * LABEL_LAYER_TEXT_MAX_SIZE);
+ edit_field_restyle(
+ label_layer->edit_field,
+ LABELS_SIZE,
+ colors[label_layer->selected]);
+ SDL_StartTextInput();
+ }
+ } break;
+ }
+ } break;
+
+ case SDL_KEYDOWN: {
+ switch (event->key.keysym.sym) {
+ case SDLK_F2: {
+ if (label_layer->selected >= 0) {
+ label_layer->state = LABEL_LAYER_EDIT_TEXT;
+ edit_field_replace(
+ label_layer->edit_field,
+ texts + label_layer->selected * LABEL_LAYER_TEXT_MAX_SIZE);
+ edit_field_restyle(
+ label_layer->edit_field,
+ LABELS_SIZE,
+ colors[label_layer->selected]);
+ SDL_StartTextInput();
+ }
+ } break;
+
+ case SDLK_F3: {
+ if (label_layer->selected >= 0) {
+ label_layer->state = LABEL_LAYER_EDIT_ID;
+ edit_field_replace(
+ label_layer->edit_field,
+ ids + label_layer->selected * LABEL_LAYER_ID_MAX_SIZE);
+ edit_field_restyle(
+ label_layer->edit_field,
+ vec(1.0f, 1.0f),
+ color_invert(colors[label_layer->selected]));
+ SDL_StartTextInput();
+ }
+ } break;
+
+ case SDLK_DELETE: {
+ if (label_layer->selected >= 0) {
+ label_layer_delete_selected_label(
+ label_layer,
+ undo_history);
+ label_layer->selected = -1;
+ }
+ } break;
+ }
+ } break;
+ }
+
+ return 0;
+}
+
+static
+int label_layer_move_event(LabelLayer *label_layer,
+ const SDL_Event *event,
+ const Camera *camera,
+ UndoHistory *undo_history)
+{
+ trace_assert(label_layer);
+ trace_assert(event);
+ trace_assert(camera);
+ trace_assert(label_layer->selected >= 0);
+
+ switch (event->type) {
+ case SDL_MOUSEMOTION: {
+ label_layer->inter_position = vec_sub(
+ camera_map_screen(
camera,
- texts[i],
- vec(2.0f, 2.0f),
- color_scale(
- colors[i],
- rgba(1.0f, 1.0f, 1.0f, fa)),
- positions[i]) < 0) {
- return -1;
+ event->motion.x,
+ event->motion.y),
+ label_layer->move_anchor);
+ } break;
+
+ case SDL_MOUSEBUTTONUP: {
+ switch (event->button.button) {
+ case SDL_BUTTON_LEFT: {
+ UNDO_PUSH(label_layer, undo_history, UNDO_UPDATE);
+
+ dynarray_replace_at(
+ label_layer->positions,
+ (size_t)label_layer->selected,
+ &label_layer->inter_position);
+ label_layer->state = LABEL_LAYER_IDLE;
+ } break;
+ }
+ } break;
+ }
+
+ return 0;
+}
+
+static
+int label_layer_edit_text_event(LabelLayer *label_layer,
+ const SDL_Event *event,
+ const Camera *camera,
+ UndoHistory *undo_history)
+{
+ trace_assert(label_layer);
+ trace_assert(event);
+ trace_assert(camera);
+ trace_assert(label_layer->selected >= 0);
+
+ switch (event->type) {
+ case SDL_KEYDOWN: {
+ switch (event->key.keysym.sym) {
+ case SDLK_RETURN: {
+ UNDO_PUSH(label_layer, undo_history, UNDO_UPDATE);
+
+ char *text =
+ (char*)dynarray_data(label_layer->texts) + label_layer->selected * LABEL_LAYER_TEXT_MAX_SIZE;
+ memset(text, 0, LABEL_LAYER_TEXT_MAX_SIZE);
+ memcpy(text, edit_field_as_text(label_layer->edit_field), LABEL_LAYER_TEXT_MAX_SIZE - 1);
+ label_layer->state = LABEL_LAYER_IDLE;
+ SDL_StopTextInput();
+ return 0;
+ } break;
+
+ case SDLK_ESCAPE: {
+ label_layer->state = LABEL_LAYER_IDLE;
+ SDL_StopTextInput();
+ return 0;
+ } break;
+ }
+ } break;
+ }
+
+ return edit_field_event(label_layer->edit_field, event);
+}
+
+static
+int label_layer_edit_id_event(LabelLayer *label_layer,
+ const SDL_Event *event,
+ const Camera *camera,
+ UndoHistory *undo_history)
+{
+ trace_assert(label_layer);
+ trace_assert(event);
+ trace_assert(camera);
+ trace_assert(undo_history);
+ trace_assert(label_layer->selected >= 0);
+
+ switch (event->type) {
+ case SDL_KEYDOWN: {
+ switch (event->key.keysym.sym) {
+ case SDLK_RETURN: {
+ UNDO_PUSH(label_layer, undo_history, UNDO_UPDATE);
+
+ char *id =
+ (char*)dynarray_data(label_layer->ids) + label_layer->selected * LABEL_LAYER_ID_MAX_SIZE;
+ memset(id, 0, LABEL_LAYER_ID_MAX_SIZE);
+ memcpy(id, edit_field_as_text(label_layer->edit_field), LABEL_LAYER_ID_MAX_SIZE - 1);
+ label_layer->state = LABEL_LAYER_IDLE;
+ SDL_StopTextInput();
+ return 0;
+ } break;
+
+ case SDLK_ESCAPE: {
+ label_layer->state = LABEL_LAYER_IDLE;
+ SDL_StopTextInput();
+ return 0;
+ } break;
+ }
+ } break;
+ }
+
+ return edit_field_event(label_layer->edit_field, event);
+}
+
+static
+int label_layer_recolor_event(LabelLayer *label_layer,
+ const SDL_Event *event,
+ const Camera *camera,
+ UndoHistory *undo_history)
+{
+ trace_assert(label_layer);
+ trace_assert(event);
+ trace_assert(camera);
+ trace_assert(undo_history);
+ trace_assert(label_layer->selected >= 0);
+
+ int changed = 0;
+
+ if (color_picker_event(
+ &label_layer->color_picker,
+ event,
+ camera,
+ &changed) < 0) {
+ return -1;
+ }
+
+ if (changed) {
+ label_layer->inter_color =
+ color_picker_rgba(&label_layer->color_picker);
+
+ if (!color_picker_drag(&label_layer->color_picker)) {
+ UNDO_PUSH(label_layer, undo_history, UNDO_UPDATE);
+
+ dynarray_replace_at(
+ label_layer->colors,
+ (size_t) label_layer->selected,
+ &label_layer->inter_color);
+ label_layer->state = LABEL_LAYER_IDLE;
}
}
int label_layer_event(LabelLayer *label_layer,
const SDL_Event *event,
- const Camera *camera)
+ const Camera *camera,
+ UndoHistory *undo_history)
{
trace_assert(label_layer);
trace_assert(event);
trace_assert(camera);
- /* TODO: LabelLayer doesn't allow to modify and add labels */
+ trace_assert(undo_history);
+
+ switch (label_layer->state) {
+ case LABEL_LAYER_IDLE:
+ return label_layer_idle_event(label_layer, event, camera, undo_history);
+
+ case LABEL_LAYER_MOVE:
+ return label_layer_move_event(label_layer, event, camera, undo_history);
+
+ case LABEL_LAYER_EDIT_TEXT:
+ return label_layer_edit_text_event(label_layer, event, camera, undo_history);
+
+ case LABEL_LAYER_EDIT_ID:
+ return label_layer_edit_id_event(label_layer, event, camera, undo_history);
+
+ case LABEL_LAYER_RECOLOR:
+ return label_layer_recolor_event(label_layer, event, camera, undo_history);
+ }
+
return 0;
}
return dynarray_data(label_layer->colors);
}
-char **labels_layer_texts(const LabelLayer *label_layer)
+char *labels_layer_texts(const LabelLayer *label_layer)
{
return dynarray_data(label_layer->texts);
}
+
+int label_layer_dump_stream(const LabelLayer *label_layer, FILE *filedump)
+{
+ trace_assert(label_layer);
+ trace_assert(filedump);
+
+ size_t n = dynarray_count(label_layer->ids);
+ char *ids = dynarray_data(label_layer->ids);
+ Point *positions = dynarray_data(label_layer->positions);
+ Color *colors = dynarray_data(label_layer->colors);
+ char *texts = dynarray_data(label_layer->texts);
+
+ fprintf(filedump, "%zd\n", n);
+ for (size_t i = 0; i < n; ++i) {
+ fprintf(filedump, "%s %f %f ",
+ ids + LABEL_LAYER_ID_MAX_SIZE * i,
+ positions[i].x, positions[i].y);
+ color_hex_to_stream(colors[i], filedump);
+ fprintf(filedump, "\n%s\n", texts + i * LABEL_LAYER_TEXT_MAX_SIZE);
+ }
+
+ return 0;
+}
projects / nothing.git / blobdiff