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////// Copyright 2011 TheSeven////// This file is part of emCORE.//// emCORE is free software: you can redistribute it and/or// modify it under the terms of the GNU General Public License as// published by the Free Software Foundation, either version 2 of the// License, or (at your option) any later version.//// emCORE is distributed in the hope that it will be useful,// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.// See the GNU General Public License for more details.//// You should have received a copy of the GNU General Public License along// with emCORE. If not, see <http://www.gnu.org/licenses/>.////#include "emcorelib.h"#include "libui.h"#include "chooser.h"#include "chooser_renderer_list.h"static void chooser_renderer_list_scroll_into_view(struct chooser_data* data,const struct chooser_item* item){const struct chooser_renderer_list_params* params;params = (const struct chooser_renderer_list_params*)(data->info->rendererparams);struct chooser_renderer_list_data* rdata;rdata = (struct chooser_renderer_list_data*)(data->rendererdata);int available = params->viewport.size.y;if (item < rdata->top_item) rdata->top_item = item;const struct chooser_item* curr = rdata->top_item;const struct chooser_renderer_list_itemdata* iparams;while (available > 0){if (curr >= &data->info->items[data->info->itemcount]) break;iparams = (const struct chooser_renderer_list_itemdata*)(curr->renderparams);if (available >= iparams->size.y){available -= iparams->size.y;curr++;}}rdata->bottom_item = --curr;while (curr < item && curr < &data->info->items[data->info->itemcount]){curr++;iparams = (const struct chooser_renderer_list_itemdata*)(curr->renderparams);available -= iparams->size.y;while (available < 0){const struct chooser_item* top = rdata->top_item++;iparams = (const struct chooser_renderer_list_itemdata*)(top->renderparams);available += iparams->size.y;}rdata->bottom_item = curr;}}static int chooser_renderer_list_init(struct chooser_data* data){const struct chooser_renderer_list_params* params;params = (const struct chooser_renderer_list_params*)(data->info->rendererparams);if (params->version != CHOOSER_RENDERER_LIST_PARAMS_VERSION) return -1;data->rendererdata = malloc(sizeof(struct chooser_renderer_list_data));if (!data->rendererdata) return -2;struct chooser_renderer_list_data* rdata;rdata = (struct chooser_renderer_list_data*)(data->rendererdata);rdata->top_item = data->info->items;chooser_renderer_list_scroll_into_view(data, data->selected);return 0;}static enum chooser_result chooser_renderer_list_render(struct chooser_data* data){const struct chooser_renderer_list_params* params;params = (const struct chooser_renderer_list_params*)(data->info->rendererparams);const struct chooser_item* selected = data->selected;struct chooser_renderer_list_data* rdata;rdata = (struct chooser_renderer_list_data*)(data->rendererdata);chooser_renderer_list_scroll_into_view(data, selected);const struct chooser_item* item = rdata->top_item;if (params->copy_dest.buf.addr == params->fill_dest.loc.buf.addr&& params->copy_dest.buf.stride == params->fill_dest.loc.buf.stride&& params->copy_dest.pos.x == params->fill_dest.loc.pos.x&& params->copy_dest.pos.y == params->fill_dest.loc.pos.y&& params->copy_src.size.x == params->fill_dest.size.x&& params->copy_src.size.y == params->fill_dest.size.y && params->copy_src.loc.buf.addr){blendcolor(params->copy_src.size.x, params->copy_src.size.y, params->fill_color,params->copy_dest.buf.addr, params->copy_dest.pos.x,params->copy_dest.pos.y, params->copy_dest.buf.stride,params->copy_src.loc.buf.addr, params->copy_src.loc.pos.x,params->copy_src.loc.pos.y, params->copy_src.loc.buf.stride);if (params->bg_opacity && params->bg_dest.buf.addr && params->bg_src.loc.buf.addr)blenda(params->bg_src.size.x, params->bg_src.size.y, params->bg_opacity,params->bg_dest.buf.addr, params->bg_dest.pos.x,params->bg_dest.pos.y, params->bg_dest.buf.stride,params->bg_dest.buf.addr, params->bg_dest.pos.x,params->bg_dest.pos.y, params->bg_dest.buf.stride,params->bg_src.loc.buf.addr, params->bg_src.loc.pos.x,params->bg_src.loc.pos.y, params->bg_src.loc.buf.stride);}else if (params->copy_dest.buf.stride == params->bg_dest.buf.stride&& params->bg_src.loc.buf.addr && params->copy_dest.buf.addr == params->bg_dest.buf.addr&& params->copy_dest.pos.x == params->bg_dest.pos.x && !params->fill_dest.loc.buf.addr&& params->copy_dest.pos.y == params->bg_dest.pos.y && params->copy_src.loc.buf.addr&& params->copy_src.size.x == params->bg_src.size.x && params->copy_dest.buf.addr&& params->copy_src.size.y == params->bg_src.size.y && params->bg_opacity){blenda(params->copy_src.size.x, params->copy_src.size.y, params->bg_opacity,params->copy_dest.buf.addr, params->copy_dest.pos.x,params->copy_dest.pos.y, params->copy_dest.buf.stride,params->copy_src.loc.buf.addr, params->copy_src.loc.pos.x,params->copy_src.loc.pos.y, params->copy_src.loc.buf.stride,params->bg_src.loc.buf.addr, params->bg_src.loc.pos.x,params->bg_src.loc.pos.y, params->bg_src.loc.buf.stride);}else{if (params->copy_src.loc.buf.addr && params->copy_dest.buf.addr)blit(params->copy_src.size.x, params->copy_src.size.y, 3,params->copy_dest.buf.addr, params->copy_dest.pos.x,params->copy_dest.pos.y, params->copy_dest.buf.stride,params->copy_src.loc.buf.addr, params->copy_src.loc.pos.x,params->copy_src.loc.pos.y, params->copy_src.loc.buf.stride);if (params->fill_dest.loc.buf.addr)blendcolor(params->fill_dest.size.x, params->fill_dest.size.y, params->fill_color,params->fill_dest.loc.buf.addr, params->fill_dest.loc.pos.x,params->fill_dest.loc.pos.y, params->fill_dest.loc.buf.stride,params->fill_dest.loc.buf.addr, params->fill_dest.loc.pos.x,params->fill_dest.loc.pos.y, params->fill_dest.loc.buf.stride);if (params->bg_opacity && params->bg_src.loc.buf.addr && params->bg_dest.buf.addr)blenda(params->bg_src.size.x, params->bg_src.size.y, params->bg_opacity,params->bg_dest.buf.addr, params->bg_dest.pos.x,params->bg_dest.pos.y, params->bg_dest.buf.stride,params->bg_dest.buf.addr, params->bg_dest.pos.x,params->bg_dest.pos.y, params->bg_dest.buf.stride,params->bg_src.loc.buf.addr, params->bg_src.loc.pos.x,params->bg_src.loc.pos.y, params->bg_src.loc.buf.stride);}void* buf = params->viewport.loc.buf.addr;int stride = params->viewport.loc.buf.stride;int x = params->viewport.loc.pos.x;int y = params->viewport.loc.pos.y;const struct chooser_renderer_list_itemdata* iparams;while (item <= rdata->bottom_item){iparams = (const struct chooser_renderer_list_itemdata*)(item->renderparams);uint32_t fill_color;uint32_t text_color;const struct libui_surface* icon;int icon_opacity;if (item == selected){fill_color = iparams->fill_color_selected;text_color = iparams->text_color_selected;icon = &iparams->icon_selected;icon_opacity = iparams->icon_selected_opacity;}else{fill_color = iparams->fill_color;text_color = iparams->text_color;icon = &iparams->icon;icon_opacity = iparams->icon_opacity;}if (fill_color)blendcolor(iparams->fill_box.size.x, iparams->fill_box.size.y, fill_color,buf, x + iparams->fill_box.pos.x, y + iparams->fill_box.pos.y, stride,buf, x + iparams->fill_box.pos.x, y + iparams->fill_box.pos.y, stride);if (icon->loc.buf.addr && icon_opacity)blenda(icon->size.x, icon->size.y, icon_opacity,buf, x + iparams->icon_pos.x, y + iparams->icon_pos.y, stride,buf, x + iparams->icon_pos.x, y + iparams->icon_pos.y, stride);if (iparams->text && iparams->text_color)rendertext(buf, x + iparams->text_pos.x, y + iparams->text_pos.y,stride, text_color, 0, iparams->text);y += iparams->size.y;item++;}if (params->preblit && params->preblit(data)) return CHOOSER_RESULT_OK;displaylcd(params->blit_dest.x, params->blit_dest.y, params->blit_src.size.x,params->blit_src.size.y, params->blit_src.loc.buf.addr, params->blit_src.loc.pos.x,params->blit_src.loc.pos.y, params->blit_src.loc.buf.stride);if (params->postblit) params->postblit(data);return CHOOSER_RESULT_OK;}static const struct chooser_item* chooser_renderer_list_itematpixel(struct chooser_data* data,int x, int y){if (x < 0 || y < 0) return NULL;const struct chooser_renderer_list_params* params;params = (const struct chooser_renderer_list_params*)(data->info->rendererparams);struct chooser_renderer_list_data* rdata;rdata = (struct chooser_renderer_list_data*)(data->rendererdata);const struct chooser_item* item = rdata->top_item;const struct chooser_renderer_list_itemdata* iparams;while (true){if (item >= &data->info->items[data->info->itemcount]) return NULL;iparams = (const struct chooser_renderer_list_itemdata*)(item->renderparams);if (y < iparams->size.y) break;y -= iparams->size.y;item++;}if (x < iparams->size.x) return item;return NULL;}static void chooser_renderer_list_destroy(struct chooser_data* data){free(data->rendererdata);}const struct chooser_renderer chooser_renderer_list ={.version = CHOOSER_RENDERER_VERSION,.init = chooser_renderer_list_init,.render = chooser_renderer_list_render,.itematpixel = chooser_renderer_list_itematpixel,.destroy = chooser_renderer_list_destroy};