src/modules/utils/panel/PanelScreen.cpp

   1 /*
   2       This file is part of Smoothie (http://smoothieware.org/). The motion control part is heavily based on Grbl (https://github.com/simen/grbl).
   3       Smoothie 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 3 of the License, or (at your option) any later version.
   4       Smoothie 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.
   5       You should have received a copy of the GNU General Public License along with Smoothie. If not, see <http://www.gnu.org/licenses/>.
   6 */
   7
   8 #include "libs/Kernel.h"
   9 #include "Panel.h"
  10 #include "PanelScreen.h"
  11 #include "libs/nuts_bolts.h"
  12 #include "libs/utils.h"
  13 #include "libs/SerialMessage.h"
  14 #include "Gcode.h"
  15 #include "LcdBase.h"
  16 #include "libs/StreamOutput.h"
  17
  18 using namespace std;
  19
  20 // static as it is shared by all screens
  21 std::deque<std::string> PanelScreen::command_queue;
  22
  23 PanelScreen::PanelScreen() {}
  24 PanelScreen::~PanelScreen() {}
  25
  26 void PanelScreen::on_refresh() {}
  27
  28 void PanelScreen::on_enter() {}
  29
  30 void PanelScreen::refresh_menu(bool clear)
  31 {
  32     if (clear) THEPANEL->lcd->clear();
  33     for (uint16_t i = THEPANEL->menu_start_line; i < THEPANEL->menu_start_line + min( THEPANEL->menu_rows, THEPANEL->panel_lines ); i++ ) {
  34         THEPANEL->lcd->setCursor(2, i - THEPANEL->menu_start_line );
  35         this->display_menu_line(i);
  36     }
  37     THEPANEL->lcd->setCursor(0, THEPANEL->menu_current_line - THEPANEL->menu_start_line );
  38     THEPANEL->lcd->printf(">");
  39 }
  40
  41 void PanelScreen::refresh_screen(bool clear)
  42 {
  43     if (clear) THEPANEL->lcd->clear();
  44     for (uint16_t i = THEPANEL->menu_start_line; i < THEPANEL->menu_start_line + min( THEPANEL->menu_rows, THEPANEL->panel_lines ); i++ ) {
  45         THEPANEL->lcd->setCursor(0, i - THEPANEL->menu_start_line );
  46         this->display_menu_line(i);
  47     }
  48 }
  49
  50 PanelScreen *PanelScreen::set_parent(PanelScreen *passed_parent)
  51 {
  52     this->parent = passed_parent;
  53     return this;
  54 }
  55
  56 // Helper for screens to send a gcode, must be called from main loop
  57 void PanelScreen::send_gcode(std::string g)
  58 {
  59     Gcode gcode(g, &(StreamOutput::NullStream));
  60     THEKERNEL->call_event(ON_GCODE_RECEIVED, &gcode );
  61 }
  62
  63 void PanelScreen::send_gcode(const char *gm_code, char parameter, float value)
  64 {
  65     char buf[132];
  66     int n = snprintf(buf, sizeof(buf), "%s %c%f", gm_code, parameter, value);
  67     string g(buf, n);
  68     send_gcode(g);
  69 }
  70
  71 // Helper to send commands, may be called from on_idle will delegate all commands to on_main_loop
  72 // may contain multiple commands separated by \n
  73 void PanelScreen::send_command(const char *gcstr)
  74 {
  75     string cmd(gcstr);
  76     while (cmd.size() > 0) {
  77         size_t b = cmd.find_first_of("\n");
  78         if ( b == string::npos ) {
  79             command_queue.push_back(cmd);
  80             break;
  81         }
  82         command_queue.push_back(cmd.substr( 0, b ));
  83         cmd = cmd.substr(b + 1);
  84     }
  85 }
  86
  87 void PanelScreen::on_main_loop()
  88 {
  89     // for each command in queue send it
  90     while(command_queue.size() > 0) {
  91         struct SerialMessage message;
  92         message.message = command_queue.front();
  93         command_queue.pop_front();
  94         message.stream = &(StreamOutput::NullStream);
  95         THEKERNEL->call_event(ON_CONSOLE_LINE_RECEIVED, &message );
  96     }
  97 }