diff options
Diffstat (limited to 'src/gui')
| -rw-r--r-- | src/gui/Button.cpp | 7 | ||||
| -rw-r--r-- | src/gui/DropdownButton.cpp | 7 | ||||
| -rw-r--r-- | src/gui/Entry.cpp | 121 |
3 files changed, 123 insertions, 12 deletions
diff --git a/src/gui/Button.cpp b/src/gui/Button.cpp index ad516b5..b530004 100644 --- a/src/gui/Button.cpp +++ b/src/gui/Button.cpp @@ -13,12 +13,7 @@ namespace gsr { bool Button::on_event(mgl::Event &event, mgl::Window&, mgl::vec2f offset) { if(event.type == mgl::Event::MouseMoved) { - const bool inside = mgl::FloatRect(position + offset, size).contains({ (float)event.mouse_move.x, (float)event.mouse_move.y }); - if(mouse_inside && !inside) { - mouse_inside = false; - } else if(!mouse_inside && inside) { - mouse_inside = true; - } + mouse_inside = mgl::FloatRect(position + offset, size).contains({ (float)event.mouse_move.x, (float)event.mouse_move.y }); } else if(event.type == mgl::Event::MouseButtonPressed) { const bool clicked_inside = mouse_inside; if(clicked_inside && on_click) diff --git a/src/gui/DropdownButton.cpp b/src/gui/DropdownButton.cpp index b20dbb4..1d7374b 100644 --- a/src/gui/DropdownButton.cpp +++ b/src/gui/DropdownButton.cpp @@ -29,12 +29,7 @@ namespace gsr { if(event.type == mgl::Event::MouseMoved) { const mgl::vec2f draw_pos = position + offset; const mgl::vec2f collision_margin(1.0f, 1.0f); // Makes sure that multiple buttons that are next to each other wont activate at the same time when the cursor is right between them - const bool inside = mgl::FloatRect(draw_pos + collision_margin, size - collision_margin).contains({ (float)event.mouse_move.x, (float)event.mouse_move.y }); - if(mouse_inside && !inside) { - mouse_inside = false; - } else if(!mouse_inside && inside) { - mouse_inside = true; - } + mouse_inside = mgl::FloatRect(draw_pos + collision_margin, size - collision_margin).contains({ (float)event.mouse_move.x, (float)event.mouse_move.y }); } else if(event.type == mgl::Event::MouseButtonPressed) { const bool clicked_inside = mouse_inside; diff --git a/src/gui/Entry.cpp b/src/gui/Entry.cpp new file mode 100644 index 0000000..09ec167 --- /dev/null +++ b/src/gui/Entry.cpp @@ -0,0 +1,121 @@ +#include "../../include/gui/Entry.hpp" +#include "../../include/gui/Utils.hpp" +#include "../../include/Theme.hpp" +#include <mglpp/graphics/Rectangle.hpp> +#include <mglpp/window/Window.hpp> +#include <mglpp/window/Event.hpp> +#include <mglpp/system/FloatRect.hpp> +#include <mglpp/system/Utf8.hpp> +#include <optional> + +namespace gsr { + static const float padding_top = 10.0f; + static const float padding_bottom = 10.0f; + static const float padding_left = 10.0f; + static const float padding_right = 10.0f; + + Entry::Entry(mgl::Font *font, const char *text, float max_width) : text("", *font), max_width(max_width) { + this->text.set_color(get_theme().text_color); + set_string(text); + } + + bool Entry::on_event(mgl::Event &event, mgl::Window&, mgl::vec2f offset) { + if(event.type == mgl::Event::MouseButtonPressed) { + selected = mgl::FloatRect(position + offset, get_size()).contains({ (float)event.mouse_button.x, (float)event.mouse_button.y }); + } else if(event.type == mgl::Event::KeyPressed && selected) { + if(event.key.code == mgl::Keyboard::Backspace && !text.get_string().empty()) { + std::string str = text.get_string(); + const size_t prev_index = mgl::utf8_get_start_of_codepoint((const unsigned char*)str.c_str(), str.size(), str.size()); + str.erase(prev_index, std::string::npos); + set_string(std::move(str)); + } + } else if(event.type == mgl::Event::TextEntered && selected && event.text.codepoint >= 32) { + std::string str = text.get_string(); + str.append(event.text.str, event.text.size); + set_string(std::move(str)); + } + return true; + } + + void Entry::draw(mgl::Window &window, mgl::vec2f offset) { + const mgl::vec2f draw_pos = position + offset; + + mgl::Rectangle background(get_size()); + background.set_position(draw_pos.floor()); + background.set_color(selected ? mgl::Color(0, 0, 0, 255) : mgl::Color(0, 0, 0, 120)); + window.draw(background); + + if(selected) { + const int border_size = 3; + draw_rectangle_outline(window, draw_pos.floor(), get_size().floor(), get_theme().tint_color, border_size); + + const int caret_width = 2; + mgl::Rectangle caret({caret_width, text.get_bounds().size.y}); + caret.set_position((draw_pos + mgl::vec2f(padding_left + caret_offset_x, padding_top)).floor()); + caret.set_color(mgl::Color(255, 255, 255)); + window.draw(caret); + } + + text.set_position((draw_pos + mgl::vec2f(padding_left, get_size().y * 0.5f - text.get_bounds().size.y * 0.5f)).floor()); + window.draw(text); + } + + mgl::vec2f Entry::get_size() { + return { max_width, text.get_bounds().size.y + padding_top + padding_bottom }; + } + + void Entry::set_string(std::string str) { + if(!validate_handler || validate_handler(str)) { + text.set_string(std::move(str)); + caret_offset_x = text.find_character_pos(99999).x - this->text.get_position().x; + fprintf(stderr, "caret offset: %f\n", caret_offset_x); + } + } + + static bool is_number(uint8_t c) { + return c >= '0' && c <= '9'; + } + + static std::optional<int> to_integer(const std::string &str) { + if(str.empty()) + return std::nullopt; + + size_t i = 0; + const bool negative = str[0] == '-'; + if(negative) + i = 1; + + int number = 0; + for(; i < str.size(); ++i) { + if(!is_number(str[i])) + return false; + + const int new_number = number * 10 + (str[i] - '0'); + if(new_number < number) + return std::nullopt; // Overflow + number = new_number; + } + + if(negative) + number = -number; + + return number; + } + + EntryValidateHandler create_entry_validator_integer_in_range(int min, int max) { + return [min, max](std::string &str) { + if(str.empty()) + return true; + + std::optional<int> number = to_integer(str); + if(!number) + return false; + + if(number.value() < min) + str = std::to_string(min); + else if(number.value() > max) + str = std::to_string(max); + return true; + }; + } +}
\ No newline at end of file |