89 lines
1.8 KiB
C
89 lines
1.8 KiB
C
#include "core/layer.h"
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#include <stddef.h>
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#include "base/array.h"
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#include "base/memory.h"
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#include "core/types.h"
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void layer_stack_cleanup(layer_stack_t *layer) {
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p_delete(&layer->order);
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layer->count = 0;
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layer->capacity = 0;
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}
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void layer_stack_append(layer_stack_t *layer, window_id_t window) {
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window_id_t *win_ptr =
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array_push(layer->order, layer->count, layer->capacity);
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*win_ptr = window;
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}
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bool layer_stack_remove(layer_stack_t *layer, window_id_t window) {
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bool found = false;
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size_t index = 0;
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for (size_t i = 0; i < layer->count; ++i) {
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if (layer->order[i] != window) continue;
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found = true;
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index = i;
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break;
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}
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if (found) {
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for (size_t i = index; i < layer->count - 1; ++i) {
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layer->order[i] = layer->order[i + 1];
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}
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layer->count--;
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}
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return found;
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}
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bool layer_stack_raise(layer_stack_t *layer, window_id_t window) {
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bool found = false;
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size_t index = 0;
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for (size_t i = 0; i < layer->count; ++i) {
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if (layer->order[i] != window) continue;
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found = true;
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index = i;
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break;
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}
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if (!found) return false;
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bool need_change = index != layer->count - 1;
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if (!need_change) return false;
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for (size_t i = index; i < layer->count - 1; ++i) {
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layer->order[i] = layer->order[i + 1];
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}
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layer->order[layer->count - 1] = window;
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return true;
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}
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bool layer_stack_lower(layer_stack_t *layer, window_id_t window) {
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bool found = false;
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size_t index = 0;
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for (size_t i = 0; i < layer->count; ++i) {
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if (layer->order[i] != window) continue;
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found = true;
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index = i;
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break;
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}
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if (!found) return false;
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bool need_change = index != 0;
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if (!need_change) return false;
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for (size_t i = index; i > 0; --i) {
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layer->order[i] = layer->order[i - 1];
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}
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layer->order[0] = window;
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return true;
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}
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