Adam PIppin
3 years ago
13 changed files with 558 additions and 50 deletions
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#include "Module_Menu.h" |
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#define MENU_EAT_OFFSET 3 |
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// Maximum number of items any menu can contain
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#define MODULE_MENU_MAX_OPTIONS 16 |
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// How many menu items to show on screen at once
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#define MODULE_MENU_SHOW_OPTIONS 8 |
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// How long menu labels can be
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#define MODULE_MENU_MAX_OPTION_LENGTH 15 |
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#ifndef MODULE_MENU_H |
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#define MODULE_MENU_H |
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#include "watchos.h" |
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struct MenuItem; |
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class Module_Menu : public Module |
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{ |
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ButtonState* m_button[MODULE_INPUT_BUTTONS]; |
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void poll(); |
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public: |
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Module_Input(); |
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void initialize(); |
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void suspend(); |
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int getId(); |
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void tick(); |
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bool isAnyPressed(); |
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bool isPressed(byte button); |
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}; |
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#endif |
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@ -0,0 +1,312 @@ |
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#include "watchos.h" |
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#include "Module_EAT.h" |
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#include "Module_UI.h" |
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#include "watchos_fonts.h" |
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#include "Events.h" |
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struct MenuItem |
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{ |
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byte id; |
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char label[MENU_MAX_OPTION_LENGTH]; |
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int window_hwnd; |
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}; |
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/*
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* EAT Layout |
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* byte selected_idx |
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* byte view_offset |
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* |
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* each entry: |
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* byte id |
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* char[31] label |
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*/ |
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class Task_Menu : public Task |
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{ |
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private: |
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int m_hwnd; |
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Module_UI* ui; |
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Module_EAT* eat; |
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MenuItem* m_item[MENU_MAX_OPTIONS]; |
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int m_hwnd_menu_option[MENU_SHOW_OPTIONS]; |
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int m_prev_root_hwnd; |
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int m_view_offset = 0; |
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int m_selected = 0; |
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bool m_result_ok = false; |
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bool m_result_back = false; |
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public: |
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Task_Menu() |
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{ |
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ui = (Module_UI*)Kernel::get()->getModule(MODULE_UI); |
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m_hwnd = ui->createWindow((Task*)this, -1, 0); |
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ui->setLayoutMode(m_hwnd, MODULE_UI_LAYOUT_MODE_SPLIT_HORIZONTAL); |
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for (int i = 0; i < MENU_SHOW_OPTIONS; i++) |
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{ |
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m_hwnd_menu_option[i] = ui->createWindow((Task*)this, m_hwnd, 0); |
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} |
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for (int i = 0; i < MENU_MAX_OPTIONS; i++) |
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{ |
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m_item[i] = nullptr; |
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} |
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eat = (Module_EAT*)Kernel::get()->getModule(MODULE_EAT); |
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int item_length = (1 + MENU_MAX_OPTION_LENGTH); |
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if (!eat->allocate(MENU_EAT_ID, MENU_EAT_OFFSET + item_length * MENU_MAX_OPTIONS)) |
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{ |
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m_selected = eat->read(MENU_EAT_ID, 0); |
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m_view_offset = eat->read(MENU_EAT_ID, 1); |
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m_prev_root_hwnd = eat->read(MENU_EAT_ID, 2); |
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byte id; |
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for (int i = 0; i < MENU_MAX_OPTIONS; i++) |
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{ |
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id = eat->read(MENU_EAT_ID, MENU_EAT_OFFSET + (i * item_length)); |
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if (id != 0xFF) |
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{ |
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m_item[i] = new MenuItem(); |
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m_item[i]->id = id; |
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for (int j = 0; j < MENU_MAX_OPTION_LENGTH; j++) |
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{ |
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m_item[i]->label[j] = (char)eat->read(MENU_EAT_ID, MENU_EAT_OFFSET + (i * item_length) + j + 1); |
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if (m_item[i]->label[j] == '\0') |
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{ |
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break; |
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} |
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} |
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} |
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else |
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{ |
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break; |
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} |
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} |
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} |
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} |
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void initialize() |
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{ |
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ui->setDirty(m_hwnd); |
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for (int i = 0; i < MENU_SHOW_OPTIONS; i++) |
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{ |
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ui->setDirty(m_hwnd_menu_option[i]); |
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} |
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} |
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void tick(unsigned int signal) |
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{ |
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Event* e; |
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int prev_selected = -1; |
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byte scroll_direction = 128; // not const'ing this... 128=middle, 0=up, 255=down
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while (this->hasEvent()) |
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{ |
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e = this->popEvent(); |
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if (ui->getRootWindow() != m_hwnd) continue; |
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if (e->source == MODULE_INPUT && e->event == MODULE_INPUT_EVENT_PRESS) |
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{ |
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if ((e->param1 & MODULE_INPUT_BUTTON_UP) != 0) |
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{ |
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Kernel::debug("Scroll up"); |
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prev_selected = m_selected; |
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m_selected -= 1; |
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if (m_selected < 0) |
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m_selected = 0; |
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else |
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scroll_direction = 0; |
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} |
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if ((e->param1 & MODULE_INPUT_BUTTON_DOWN) != 0) |
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{ |
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Kernel::debug("Scroll down"); |
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prev_selected = m_selected; |
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m_selected += 1; |
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if (m_item[m_selected] == nullptr) |
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m_selected -= 1; |
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else |
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scroll_direction = 255; |
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} |
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if ((e->param1 & MODULE_INPUT_BUTTON_OK) != 0) |
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{ |
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Kernel::debug("OK"); |
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hide(); |
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m_result_ok = true; |
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return; |
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} |
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if ((e->param1 & MODULE_INPUT_BUTTON_BACK) != 0) |
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{ |
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Kernel::debug("Back"); |
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m_result_back = true; |
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return; |
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} |
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} |
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} |
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if (scroll_direction == 0 && m_selected < m_view_offset) |
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{ |
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m_view_offset -= MENU_SHOW_OPTIONS; |
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if (m_view_offset < 0) m_view_offset = 0; |
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} |
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else if (scroll_direction == 255 && m_selected >= m_view_offset + MENU_SHOW_OPTIONS) |
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{ |
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m_view_offset += MENU_SHOW_OPTIONS; |
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} |
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// if (scroll)
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// elseif (dirty individual items)
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// Drawing individual menu items is sloooow, let's just refresh everything.
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/*
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if (prev_selected >= 0 && m_selected != prev_selected) |
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{ |
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if (prev_selected - m_view_offset >= 0 && prev_selected - m_view_offset < MENU_MAX_OPTIONS) |
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{ |
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ui->setDirty(m_hwnd_menu_option[prev_selected - m_view_offset]); |
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sprintf(msg, "Marking dirty idx %d hwnd %d", prev_selected - m_view_offset, m_hwnd_menu_option[prev_selected - m_view_offset]); |
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Kernel::debug(msg); |
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} |
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if (m_selected - m_view_offset >= 0 && m_selected - m_view_offset < MENU_MAX_OPTIONS) |
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{ |
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ui->setDirty(m_hwnd_menu_option[m_selected - m_view_offset]); |
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sprintf(msg, "Marking dirty idx %d hwnd %d", m_selected - m_view_offset, m_hwnd_menu_option[m_selected - m_view_offset]); |
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Kernel::debug(msg); |
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} |
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} |
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*/ |
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if (prev_selected >= 0 && m_selected != prev_selected) |
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{ |
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ui->setDirty(m_hwnd); |
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for (int i = 0; i < MENU_SHOW_OPTIONS; i++) |
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{ |
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ui->setDirty(m_hwnd_menu_option[i]); |
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} |
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} |
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} |
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void suspend() |
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{ |
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eat->write(MENU_EAT_ID, 0, (byte)m_selected); |
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eat->write(MENU_EAT_ID, 1, (byte)m_view_offset); |
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eat->write(MENU_EAT_ID, 2, (byte)m_prev_root_hwnd); |
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int item_length = (1 + MENU_MAX_OPTION_LENGTH); |
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for (int i = 0; i < MENU_MAX_OPTIONS; i++) |
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{ |
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if (m_item[i] == nullptr) |
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{ |
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eat->write(MENU_EAT_ID, MENU_EAT_OFFSET + (i * item_length), 0xFF); |
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} |
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else |
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{ |
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eat->write(MENU_EAT_ID, MENU_EAT_OFFSET + (i * item_length), m_item[i]->id); |
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for (int j = 0; j < MENU_MAX_OPTION_LENGTH && m_item[i]->label[j] != '\0'; j++) |
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{ |
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eat->write(MENU_EAT_ID, MENU_EAT_OFFSET + (i * item_length) + j + 1, (byte)(m_item[i]->label[j])); |
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} |
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} |
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} |
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} |
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void draw(int hwnd, int x, int y, int width, int height) |
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{ |
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if (hwnd == m_hwnd) |
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{ |
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// Root window
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ui->getGfx()->fillRect(x, y, width, height, COLOUR_SECONDARY); |
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} |
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else |
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{ |
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// Menu option
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for (int i = 0; i < MENU_SHOW_OPTIONS; i++) |
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{ |
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if (m_hwnd_menu_option[i] == hwnd) |
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{ |
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int idx = m_view_offset + i; |
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if (m_item[idx] != nullptr) |
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{ |
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ui->getGfx()->setFont(&FreeMono12pt7b); |
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if (idx == m_selected) |
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{ |
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ui->getGfx()->fillRect(x, y, width, height, COLOUR_PRIMARY); |
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ui->getGfx()->setTextColor(COLOUR_SECONDARY); |
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} |
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else |
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{ |
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ui->getGfx()->fillRect(x, y, width, height, COLOUR_SECONDARY); |
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ui->getGfx()->setTextColor(COLOUR_PRIMARY); |
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} |
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ui->getGfx()->setCursor(x, y + height - (int)((height - 12) / 2)); |
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ui->getGfx()->print(m_item[idx]->label); |
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} |
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} |
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} |
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} |
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} |
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void addItem(byte id, char* label) |
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{ |
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for (int i = 0; i < MENU_MAX_OPTIONS; i++) |
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{ |
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if (m_item[i] == nullptr) |
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{ |
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m_item[i] = new MenuItem(); |
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m_item[i]->id = id; |
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strcpy(m_item[i]->label, label); |
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return; |
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} |
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} |
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Kernel::panic("Tried to add more options to menu than MENU_MAX_OPTIONS."); |
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} |
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void clear() |
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{ |
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for (int i = 0; i < MENU_MAX_OPTIONS; i++) |
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{ |
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if (m_item[i] != nullptr) |
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{ |
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delete m_item[i]; |
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m_item[i] = nullptr; |
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} |
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} |
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} |
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void show() |
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{ |
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m_prev_root_hwnd = ui->getRootWindow(); |
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ui->setRootWindow(m_hwnd); |
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} |
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void hide() |
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{ |
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ui->setRootWindow(m_prev_root_hwnd); |
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m_prev_root_hwnd = NULL; |
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} |
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bool isSelected() |
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{ |
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return m_result_ok; |
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} |
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bool isCancelled() |
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{ |
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return m_result_back; |
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} |
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bool isDone() |
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{ |
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return m_result_ok || m_result_back; |
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} |
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byte getSelectedId() |
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{ |
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return m_item[m_selected]->id; |
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} |
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}; |
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