266 lines
7.8 KiB
C
Executable File
266 lines
7.8 KiB
C
Executable File
/*
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* IupScintilla component
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*
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* Description : A source code editing component,
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* derived from Scintilla (http://www.scintilla.org/)
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "Scintilla.h"
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#include "SciLexer.h"
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#include <gtk/gtk.h>
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#include "ScintillaWidget.h"
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#include "iup.h"
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#include "iup_scintilla.h"
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#include "iupcbs.h"
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#include "iup_key.h"
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#include "iup_class.h"
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#include "iup_object.h"
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#include "iup_attrib.h"
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#include "iup_str.h"
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#include "iup_drv.h"
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#include "iup_drvfont.h"
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#include "iup_register.h"
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#include "iup_layout.h"
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#include "iup_assert.h"
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#include "iup_array.h"
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#include "iupgtk_drv.h"
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#include "iupsci.h"
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void iupdrvScintillaRefreshCaret(Ihandle* ih)
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{
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(void)ih;
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}
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int iupdrvScintillaGetBorder(void)
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{
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int border_size = 2 * 5;
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return border_size;
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}
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void iupdrvScintillaOpen(void)
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{
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}
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sptr_t IupScintillaSendMessage(Ihandle* ih, unsigned int iMessage, uptr_t wParam, sptr_t lParam)
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{
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return scintilla_send_message(SCINTILLA(ih->handle), iMessage, wParam, lParam);
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}
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static void gtkScintillaNotify(GtkWidget *w, gint wp, gpointer lp, Ihandle *ih)
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{
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SCNotification *pMsg =(SCNotification*)lp;
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iupScintillaNotify(ih, pMsg);
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(void)w;
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(void)wp;
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}
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static gboolean gtkScintillaKeyReleaseEvent(GtkWidget *widget, GdkEventKey *evt, Ihandle *ih)
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{
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iupScintillaCallCaretCb(ih);
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(void)widget;
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(void)evt;
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return FALSE;
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}
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static gboolean gtkScintillaButtonEvent(GtkWidget *widget, GdkEventButton *evt, Ihandle *ih)
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{
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iupScintillaCallCaretCb(ih);
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return iupgtkButtonEvent(widget, evt, ih);
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}
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static void gtkScintillaSetupFormat(struct Sci_RangeToFormat *frPrint, GtkPrintContext *context, Ihandle* ih)
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{
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int margin_left, margin_top, margin_right, margin_bottom, margin_units,
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page_width, page_height;
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double dpi;
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cairo_t *cr = gtk_print_context_get_cairo_context(context);
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frPrint->hdc = cr;
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frPrint->hdcTarget = cr;
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page_width = (int)gtk_print_context_get_width(context);
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page_height = (int)gtk_print_context_get_height(context);
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dpi = gtk_print_context_get_dpi_y(context);
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margin_units = iupSciGetPrintMarginUnits(ih);
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margin_left = iupSciGetPrintMargin(ih, "PRINTMARGINLEFT", margin_units, dpi);
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margin_top = iupSciGetPrintMargin(ih, "PRINTMARGINTOP", margin_units, dpi);
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margin_right = iupSciGetPrintMargin(ih, "PRINTMARGINRIGHT", margin_units, dpi);
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margin_bottom = iupSciGetPrintMargin(ih, "PRINTMARGINBOTTOM", margin_units, dpi);
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frPrint->rc.left = margin_left;
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frPrint->rc.top = margin_top;
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frPrint->rc.right = page_width - margin_right;
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frPrint->rc.bottom = page_height - margin_bottom;
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frPrint->rcPage.left = 0;
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frPrint->rcPage.top = 0;
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frPrint->rcPage.right = page_width;
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frPrint->rcPage.bottom = page_height;
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}
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static void gtkScintillaBeginPrint(GtkPrintOperation *operation, GtkPrintContext *context, Ihandle* ih)
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{
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int lengthPrinted, lengthDoc, p, lengthDocMax;
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struct Sci_RangeToFormat frPrint;
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Iarray* page_starts_array = (Iarray*)iupAttribGet(ih, "_IUP_PAGE_ARRAY");
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int* page_starts;
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int startPos = 0, endPos = 0;
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IupGetIntInt(ih, "SELECTIONPOS", &startPos, &endPos);
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gtkScintillaSetupFormat(&frPrint, context, ih);
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lengthDoc = (int)IupScintillaSendMessage(ih, SCI_GETLENGTH, 0, 0);
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lengthPrinted = 0;
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lengthDocMax = lengthDoc;
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#if GTK_CHECK_VERSION(2, 18, 0)
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if (startPos != endPos && gtk_print_operation_get_has_selection(operation))
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{
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if (startPos > endPos)
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{
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lengthPrinted = endPos;
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lengthDoc = startPos;
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}
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else
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{
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lengthPrinted = startPos;
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lengthDoc = endPos;
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}
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if (lengthPrinted < 0)
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lengthPrinted = 0;
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if (lengthDoc > lengthDocMax)
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lengthDoc = lengthDocMax;
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}
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#endif
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/* Pre-process each page */
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p = 0; /* page_nr starts at 0 */
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while (lengthPrinted < lengthDoc)
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{
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page_starts = (int*)iupArrayInc(page_starts_array);
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page_starts[p] = lengthPrinted;
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frPrint.chrg.cpMin = lengthPrinted;
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frPrint.chrg.cpMax = lengthDoc;
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lengthPrinted = (int)IupScintillaSendMessage(ih, SCI_FORMATRANGE, 0, (sptr_t)&frPrint);
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p++;
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}
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page_starts = (int*)iupArrayInc(page_starts_array);
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page_starts[p] = lengthPrinted;
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gtk_print_operation_set_n_pages(operation, p);
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}
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static void gtkScintillaDrawPage(GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, Ihandle* ih)
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{
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int lengthDoc;
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struct Sci_RangeToFormat frPrint;
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Iarray* page_starts_array = (Iarray*)iupAttribGet(ih, "_IUP_PAGE_ARRAY");
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int* page_starts = (int*)iupArrayGetData(page_starts_array);
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gtkScintillaSetupFormat(&frPrint, context, ih);
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lengthDoc = (int)IupScintillaSendMessage(ih, SCI_GETLENGTH, 0, 0);
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frPrint.chrg.cpMin = page_starts[page_nr];
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frPrint.chrg.cpMax = page_starts[page_nr + 1];
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if (frPrint.chrg.cpMax < lengthDoc)
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frPrint.chrg.cpMax--;
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IupScintillaSendMessage(ih, SCI_FORMATRANGE, 1, (sptr_t)&frPrint);
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(void)operation;
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}
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int iupdrvScintillaPrintAttrib(Ihandle* ih, const char* value)
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{
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GtkPrintOperation *printOp = gtk_print_operation_new();
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Iarray* page_starts_array = iupArrayCreate(10, sizeof(int));
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int startPos = 0, endPos = 0;
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iupAttribSet(ih, "_IUP_PAGE_ARRAY", (char*)page_starts_array);
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g_signal_connect(printOp, "begin_print", G_CALLBACK(gtkScintillaBeginPrint), ih);
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g_signal_connect(printOp, "draw_page", G_CALLBACK(gtkScintillaDrawPage), ih);
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gtk_print_operation_set_job_name(printOp, iupgtkStrConvertToSystem(value));
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/* See if a range has been selected */
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IupGetIntInt(ih, "SELECTIONPOS", &startPos, &endPos);
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#if GTK_CHECK_VERSION(2, 18, 0)
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if (startPos == endPos)
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gtk_print_operation_set_support_selection(printOp, FALSE);
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else
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{
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gtk_print_operation_set_support_selection(printOp, TRUE);
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gtk_print_operation_set_has_selection(printOp, TRUE);
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}
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#endif
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if (!iupAttribGetBoolean(ih, "PRINTDIALOG"))
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gtk_print_operation_run(printOp, GTK_PRINT_OPERATION_ACTION_PRINT, GTK_WINDOW(IupGetDialog(ih)->handle), NULL);
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else
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gtk_print_operation_run(printOp, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, GTK_WINDOW(IupGetDialog(ih)->handle), NULL);
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iupAttribSet(ih, "_IUP_PAGE_ARRAY", NULL);
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iupArrayDestroy(page_starts_array);
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g_object_unref(printOp);
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return 0;
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}
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/*****************************************************************************/
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int idrvScintillaMap(Ihandle* ih)
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{
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ih->handle = scintilla_new();
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if (!ih->handle)
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return IUP_ERROR;
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gtk_widget_show(ih->handle);
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/* add to the parent, all GTK controls must call this. */
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iupgtkAddToParent(ih);
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if (!iupAttribGetBoolean(ih, "CANFOCUS"))
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iupgtkSetCanFocus(ih->handle, 0);
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g_signal_connect(G_OBJECT(ih->handle), "enter-notify-event", G_CALLBACK(iupgtkEnterLeaveEvent), ih);
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g_signal_connect(G_OBJECT(ih->handle), "leave-notify-event", G_CALLBACK(iupgtkEnterLeaveEvent), ih);
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g_signal_connect(G_OBJECT(ih->handle), "focus-in-event", G_CALLBACK(iupgtkFocusInOutEvent), ih);
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g_signal_connect(G_OBJECT(ih->handle), "focus-out-event", G_CALLBACK(iupgtkFocusInOutEvent), ih);
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g_signal_connect(G_OBJECT(ih->handle), "key-press-event", G_CALLBACK(iupgtkKeyPressEvent), ih);
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g_signal_connect(G_OBJECT(ih->handle), "show-help", G_CALLBACK(iupgtkShowHelp), ih);
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g_signal_connect_after(G_OBJECT(ih->handle), "key-release-event", G_CALLBACK(gtkScintillaKeyReleaseEvent), ih);
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g_signal_connect(G_OBJECT(ih->handle), "button-press-event", G_CALLBACK(gtkScintillaButtonEvent), ih); /* if connected "after" then it is ignored */
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g_signal_connect(G_OBJECT(ih->handle), "button-release-event", G_CALLBACK(gtkScintillaButtonEvent), ih);
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g_signal_connect(G_OBJECT(ih->handle), "motion-notify-event", G_CALLBACK(iupgtkMotionNotifyEvent), ih);
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g_signal_connect(G_OBJECT(ih->handle), "sci-notify", G_CALLBACK(gtkScintillaNotify), ih);
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gtk_widget_realize(ih->handle);
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return IUP_NOERROR;
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}
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void iupdrvScintillaReleaseMethod(Iclass* ic)
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{
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(void)ic;
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}
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