diff options
Diffstat (limited to 'src/gui/FileChooser.cpp')
| -rw-r--r-- | src/gui/FileChooser.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/gui/FileChooser.cpp b/src/gui/FileChooser.cpp new file mode 100644 index 0000000..8cc5d74 --- /dev/null +++ b/src/gui/FileChooser.cpp @@ -0,0 +1,174 @@ +#include "../../include/gui/FileChooser.hpp" +#include "../../include/gui/Utils.hpp" +#include "../../include/Theme.hpp" +#include <mglpp/graphics/Rectangle.hpp> +#include <mglpp/graphics/Sprite.hpp> +#include <mglpp/window/Window.hpp> +#include <mglpp/window/Event.hpp> +#include <mglpp/system/FloatRect.hpp> +#include <dirent.h> +#include <sys/stat.h> +#include <errno.h> +#include <string.h> + +namespace gsr { + static const float current_directory_padding_top_scale = 0.004629f; + static const float current_directory_padding_bottom_scale = 0.004629f; + static const float current_directory_padding_left_scale = 0.004629f; + static const float current_directory_padding_right_scale = 0.004629f; + static const float spacing_between_current_directory_and_content = 0.015f; + static const int num_columns = 6; + static const float content_padding_top_scale = 0.015f; + static const float content_padding_bottom_scale = 0.015f; + static const float content_padding_left_scale = 0.015f; + static const float content_padding_right_scale = 0.015f; + + FileChooser::FileChooser(const char *start_directory, mgl::vec2f content_size) : + content_size(content_size), current_directory_text(start_directory, get_theme().body_font) + { + set_current_directory(start_directory); + } + + bool FileChooser::on_event(mgl::Event &event, mgl::Window&, mgl::vec2f offset) { + if(!visible) + return true; + + if(event.type == mgl::Event::MouseButtonPressed && event.mouse_button.button == mgl::Mouse::Left) { + if(double_click_timer.get_elapsed_time_seconds() <= get_theme().double_click_timeout_seconds) { + ++times_clicked_within_timer; + } else { + times_clicked_within_timer = 1; + } + double_click_timer.restart(); + + selected_item = mouse_over_item; + + if(selected_item != -1 && times_clicked_within_timer > 0 && times_clicked_within_timer % 2 == 0) { + char new_directory[PATH_MAX]; + snprintf(new_directory, sizeof(new_directory), "%s/%s", current_directory_text.get_string().c_str(), folders[selected_item].get_string().c_str()); + set_current_directory(new_directory); + } + } + return true; + } + + void FileChooser::draw(mgl::Window &window, mgl::vec2f offset) { + mouse_over_item = -1; + + if(!visible) + return; + + const mgl::vec2f draw_pos = position + offset; + const mgl::vec2f current_directory_padding( + current_directory_padding_left_scale * get_theme().window_height + current_directory_padding_right_scale * get_theme().window_height, + current_directory_padding_top_scale * get_theme().window_height + current_directory_padding_bottom_scale * get_theme().window_height + ); + + mgl::Rectangle current_directory_background(mgl::vec2f(content_size.x, current_directory_text.get_bounds().size.y + current_directory_padding.y).floor()); + current_directory_background.set_color(mgl::Color(0, 0, 0, 120)); + current_directory_background.set_position(draw_pos.floor()); + window.draw(current_directory_background); + + current_directory_text.set_color(get_theme().text_color); + current_directory_text.set_position((draw_pos + mgl::vec2f(current_directory_padding.x, current_directory_background.get_size().y * 0.5f - current_directory_text.get_bounds().size.y * 0.5f)).floor()); + window.draw(current_directory_text); + + mgl::Rectangle content_background(content_size.floor()); + content_background.set_color(mgl::Color(0, 0, 0, 120)); + content_background.set_position((draw_pos + mgl::vec2f(0.0f, current_directory_background.get_size().y + spacing_between_current_directory_and_content * get_theme().window_height)).floor()); + window.draw(content_background); + + const mgl::vec2f mouse_pos = window.get_mouse_position().to_vec2f(); + + const int content_padding_top = content_padding_top_scale * get_theme().window_height; + const int content_padding_bottom = content_padding_bottom_scale * get_theme().window_height; + const int content_padding_left = content_padding_left_scale * get_theme().window_height; + const int content_padding_right = content_padding_right_scale * get_theme().window_height; + + const float folder_width = (int)((content_size.x - (content_padding_left + content_padding_right) * num_columns) / num_columns); + const float width_per_item_after = content_padding_right + folder_width + content_padding_left; + mgl::vec2f folder_pos = content_background.get_position() + mgl::vec2f(content_padding_left, content_padding_top); + for(int i = 0; i < (int)folders.size(); ++i) { + auto &folder_text = folders[i]; + + mgl::Sprite folder_sprite(&get_theme().folder_texture); + folder_sprite.set_position(folder_pos.floor()); + folder_sprite.set_width((int)folder_width); + + const mgl::vec2f item_pos = folder_pos - mgl::vec2f(content_padding_left, content_padding_top); + const mgl::vec2f item_size = folder_sprite.get_size() + mgl::vec2f(content_padding_left + content_padding_right, content_padding_top + content_padding_bottom); + if(i == selected_item) { + mgl::Rectangle selected_item_background(item_size.floor()); + selected_item_background.set_position(item_pos.floor()); + selected_item_background.set_color(get_theme().tint_color); + window.draw(selected_item_background); + } + if(!has_parent_with_selected_child_widget() && mouse_over_item == -1 && mgl::FloatRect(item_pos, item_size).contains(mouse_pos)) { + // mgl::Rectangle selected_item_background(item_size.floor()); + // selected_item_background.set_position(item_pos.floor()); + // selected_item_background.set_color(mgl::Color(20, 20, 20, 150)); + // window.draw(selected_item_background); + const float border_scale = 0.0015f; + draw_rectangle_outline(window, item_pos.floor(), item_size.floor(), get_theme().tint_color, border_scale * get_theme().window_height); + mouse_over_item = i; + } + + window.draw(folder_sprite); + + // TODO: Dont allow text to go further left/right than item_pos (on the left side) and item_pos + item_size (on the right side). + folder_text.set_position(folder_sprite.get_position() + mgl::vec2f(folder_sprite.get_size().x * 0.5f - folder_text.get_bounds().size.x * 0.5f, folder_sprite.get_size().y)); + window.draw(folder_text); + + folder_pos.x += width_per_item_after; + if(folder_pos.x + folder_width > content_background.get_position().x + content_size.x) { + folder_pos.x = content_background.get_position().x + content_padding_left; + folder_pos.y += content_padding_bottom + folder_sprite.get_size().y + content_padding_top; + } + } + } + + mgl::vec2f FileChooser::get_size() { + if(!visible) + return {0.0f, 0.0f}; + + const mgl::vec2f current_directory_padding( + current_directory_padding_left_scale * get_theme().window_height + current_directory_padding_right_scale * get_theme().window_height, + current_directory_padding_top_scale * get_theme().window_height + current_directory_padding_bottom_scale * get_theme().window_height + ); + return {content_size.x, current_directory_text.get_bounds().size.y + current_directory_padding.y + spacing_between_current_directory_and_content * get_theme().window_height + content_size.y}; + } + + static bool is_dir(struct dirent *dir, const char *parent_directory) { + if(dir->d_type == DT_DIR) + return true; + + char filepath[PATH_MAX]; + snprintf(filepath, sizeof(filepath), "%s/%s", parent_directory, dir->d_name); + + struct stat st; + return stat(filepath, &st) != -1 && S_ISDIR(st.st_mode); + } + + void FileChooser::set_current_directory(const char *directory) { + folders.clear(); + selected_item = -1; + mouse_over_item = -1; + current_directory_text.set_string(directory); + + DIR *d = opendir(directory); + if(!d) { + fprintf(stderr, "gsr-overlay error: failed to open directory: %s, error: %s\n", directory, strerror(errno)); + return; + } + + struct dirent *dir = NULL; + while((dir = readdir(d)) != NULL) { + /* Ignore hidden files */ + if(dir->d_name[0] == '.' || !is_dir(dir, directory)) + continue; + folders.push_back(mgl::Text(dir->d_name, get_theme().body_font)); + } + + closedir(d); + } +}
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